Medium Dozers D8 - Tier 4/Stage V

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Key Specs

Engine Model: Cat® C15; Cat® C15

Power - Net: 363 hp; 271 kW

Operating Weight: 87083 lb; 39500 kg

D8 - Tier 4/Stage V
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Overview

RENOWNED PERFORMANCE

The Cat® Next Generation D8 Dozer delivers renowned performance you expect, with the added benefit of next generation technology. A fully automatic, 4-speed transmission makes efficient operation easy, without having to manage gear shifts.The broadest range of technology features in the industry works together seamlessly to help you make the most of your equipment investment. Common interface and controls from the D5 through D8 make it easy to operate different machine sizes.

Benefits

More Work. Less Effort.

Common cab, controls, and interface with the D5-D8 dozers and standard ease-of-use aids create an efficient operating environment.

Productivity with Cat Technology

Assist features reduce operator inputs, while options from the factory such as Cat Grade with 3D hardware or Cat Command with remote control ready make implementing technologies easier.

Enhanced Safety and Service

Keep your site safe with a variety of camera options for your machine and reduce downtime with 30-minute cab removal and Read/Write Remote Troubleshoot.

Features At A Glance

Fully automatic 4-speed powershift transmission continuously adjusts for maximum efficiency and power to the ground without added operator input.
Next generation cab for the D8 means common controls and interface for all D5-D8 machines, making operators more efficient across multiple dozers.
Blades are right sized to the machine to help you get jobs done in fewer passes.
Elevated sprocket gives you better ride and balance, plus more penetration force.
Long undercarriage is standard, with more track at the rear of the machine for superior dozing performance.
Outfit your dozer from the factory to take on the challenges of slot dozing, ripping, fine grading, and more.

Assist features help make work easier, especially for less experienced operators. Some blade and steering functions are automated so newer operators can work at productivity levels closer to their veteran counterparts. Seasoned operators can enjoy reduced effort and fatigue, along with faster, more accurate results.

Standard Assist features can reduce operator inputs up to 45%*.
Cat Assist with Attachment Ready Option (ARO) features include:
- Stable Blade works seamlessly with operator inputs to help produce a smoother surface when operating manually.
- Traction Control automatically reduces track slip to save you time, fuel and track wear.**
- AutoCarry™ automates blade lift to help you maintain consistent blade load and reduce track slip.**
- Blade Load Monitor gives you real-time feedback on current load versus the optimal blade load based on your ground conditions. Actively monitors machine load and track slip to help you reach optimal pushing capacity.**
- Cat Grade with Slope Assist automatically maintains pre-established blade position without a GNSS/GPS signal ─ no additional hardware or software needed. For machines with 3D, operators can easily switch back and forth from full 3D automatics to Slope Assist.
- Steer Assist automates track and blade tilt steering. Helps reduce operator fatigue by automatically maintaining straight travel with light loads or heavy loads on flat ground and side slopes. Helps reduce steering inputs. No GNSS/GPS required.
- Slope Indicate is included in the main machine display and shows side slope and uphill/downhill grades to help operators with slope work.
- Attachment Ready Option (ARO) provides wiring and mounting provisions for dealer installation of Grade with 3D, Accugrade, UTS, or other grade control systems.
- AutoRip automates ripper raise/lower and shank in/out to maximize ripping productivity.
Application Profile lets you save machine settings based on application or operator preference. Utilize any of the default profiles defined by our expert operators or customize profiles for various jobs or multiple operators.
Operator ID allows you to save custom touchscreen setup, machine settings, and to track individual operator productivity, safety and training opportunities via Product Link™.
Machine security – passcode helps prevent theft and unauthorized operation by requiring an operator to enter an ID to start the machine.

* Input reduction based on product testing of a D5 (17B) Next Generation Dozer with and without the use of Slope Assist in a side slope application. Inputs measured as number of times operator adjusts controls, collected and verified by electronic control module (ECM). Test conducted by Caterpillar at Washington, IL, in July 2022.
**Feature not operational indoors or in areas where a GNSS/GPS signal is not available.

Cab can be removed in about 30 minutes.
Easy access without tools under the cab floor if needed.
Option to install Cat Grade with 3D hardware from the factory eliminates shop time later.
Reduce downtime with Read/Write Remote Troubleshoot, allowing dealer technicians to diagnose more issues remotely, saving time on service calls.
Keep safety at the forefront with additional camera options for enhanced visibility around the machine.
Platform with guard rail makes refueling and diesel exhaust fluid (DEF) fill safe and convenient.
Elevated sprocket makes cleanout easier and provides convenient, modular service.
Reversing hydraulic demand fan helps remove debris while you work, saving cleanout and maintenance time.
Longer life LED lights help save you time and money.

Common cab, interface, and controls with D5 through D8, raising the bar for comfort, productivity, and straightforward operation across dozer models.
Integrated rollover protective structure (ROPS) and next generation cab design provides 17% improved visibility.*
Easy-to-use 254 mm (10 in.) touchscreen main display.
Standard, high-definition rearview camera shows prominently in the main display when in reverse.
Key Features Help, built into the display, gives you an overview of machine and technology features and helpful operating tips.
Wide air suspension seat has multiple adjustments for personalized comfort. Armrest adjusts independent of the seat.
Distributed cab heating/cooling circulates air effectively around the operator and helps reduce window fogging/frosting.
Ample storage spaces throughout the cab.
Convenient USB and auxiliary power ports in cab.

*Visibility improvements based on virtual visibility analysis. Comparisons made from a D8 (21B) model to the Next Generation D8 (22A) model.

Elevated sprocket protects major components from shock loads.
Heavier frame and structures for added durability.
Cat C15 engine eliminates exhaust gas recirculation (EGR) system for greater reliability; simplified with a single engine electronic control module (ECM).
Redesigned fuel system provides greater reliability and more accurate fuel delivery.
New Heavy Duty Extended Life undercarriage— HDXL with DuraLink™ — provides more seal life in high impact conditions.
Heavy-duty batteries for more cold-cranking power.

Cat waste handlers are designed and built from the frame up to take on the challenges of landfill work.
Specialized guarding, striker bars, and seals help protect machine and undercarriage from impact, wrapping, and airborne debris.
Impact-resistant polycarbonate cab doors eliminate need for door screens.
High-debris cooling system with automatic reversing fan and swing-out cleanout access.
Lights mounted up and away from main debris area for protection, while still giving you plenty of light on the work area.
Waste undercarriage, center-hole track shoes, and landfill blades help optimize performance.
Laminated thermal shields and insulated clean emissions module.
Pair with waste handling application profile for preset fan purge durations and Steer Assist blade steer enabled.

VisionLink® provides actionable data insights for all assets– regardless of fleet size or equipment manufacturer.*
Mixed-fleet management capable with API integration or by using Cat Product Link devices on equipment from other manufacturers, so you can monitor owned, rented, or leased assets.
Review equipment data from your desktop or mobile device with customizable dashboards to provide information such as hours, miles, location with mapping, idle time, asset status, asset operation, and fuel utilization.
Read/Write Remote Troubleshoot saves time and money by allowing your Cat dealer to perform diagnostic testing remotely.
Remote Flash updates on-board software without a technician being present, at a time that is convenient for you, with the potential to reduce update time.

* Data field availability can vary by equipment manufacturer.

Cab is remote control ready from the factory with external connector for dealer installation of a plug-and-play roof-mounted remote control unit.
Cat Command for Dozing offers remote control operation. Remote control enables equipment operators to work safely outside the machine when working in hazardous environments.
Command offers the choice of Consoles (line-of-sight) or long-distance Stations (non-line-of-sight).
Maintain the use of technology features (Grade, Payload, Assist, etc.) using the touch screens on both the Command console* and station.

* Not all technology features are available on the Command console.

Optimize machine performance for greatest productivity, while helping improve fuel efficiency and reduce greenhouse gas emissions with a fully automatic 4-speed powershift, which continuously adjusts for maximum efficiency.
The Cat®C9.3B engine meets U.S. EPA Tier 4 Final, EU Stage V, Korea Stage V, China Nonroad Stage IV emissions standards.
Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels up to: 20% biodiesel FAME (fatty acid methyl ester) ** or 100% renewable diesel, HVO (hydrogenated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details.
Cat® Grade with Slope Assist helps you avoid costly rework and wasteful fuel burn and greenhouse gas emissions by automating your blade position without a GPS signal.
Cat® Grade with 3D automates blade movements using a GPS signal helping you follow a grade design, reducing fuel burn and greenhouse gas emissions by improving efficiency and accuracy.
AutoCarry automates blade lift to reduce track slip for maximum efficiency on each pass to help lower fuel burn and greenhouse gas emissions.
VisionLink® displays the CO2 emissions for monitored assets, calculated by fuel type for the Runtime Fuel Burned each day in a selected date range.
Remote Flash minimizes downtime and maintenance time while keeping your asset running with maximum efficiency. Alerts for machine updates are sent virtually from your Cat dealer and updates can be deployed without a dealer technician needing to be onsite.
Read/Write Remote Troubleshoot decreases maintenance time and keeps your machine running with maximum efficiency by allowing your Cat dealer to virtually test the machine while working. Once a problem is identified, a technician can fix it the first time, saving time and money.

Productivity, fuel and CO2 emissions vary by application. CO2 emissions calculations based on a reference work cycle using 2.2 U.S. gallons per hour of #2 U.S. diesel fuel. Applies IPCC2006 methodology using U.S. EPA Emissions Hub emission factors. Includes DEF (diesel exhaust fluid) related CO2. Fuel measurements are at 15°C. Estimated average fuel consumption improvements are based on tests or Product Link data where available. Productivity improvements are based on test data.
**Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel.

Specifications Standard Equipment Optional Equipment

Product Specifications for D8 - Tier 4/Stage V

Engine

Engine Model	Cat® C15 Cat® C15
Power - Net	363 hp 271 kW
Net Power - ISO 9249/SAE J1349	363 hp 271 kW
Net Power - ISO 9249 (DIN)	368 mhp 368 mhp
Build Number	22A 22A
Emissions	U.S. EPA Tier 4 Final/ EU Stage V/Japan 2014/Korea Stage V/China Nonroad Stage IV U.S. EPA Tier 4 Final/ EU Stage V/Japan 2014/Korea Stage V/China Nonroad Stage IV
Note (1)	Net power at 2,050 rpm. Net power advertised is the power available at the engine flywheel when the engine is equipped with a fan, air cleaner, clean emissions module and alternator. Advertised power is tested per the specified standard in effect at the time of manufacture. Net power at 2,050 rpm. Net power advertised is the power available at the engine flywheel when the engine is equipped with a fan, air cleaner, clean emissions module and alternator. Advertised power is tested per the specified standard in effect at the time of manufacture.
Note (2)	Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels up to: 20% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. * Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel (for use of blends higher than 20% biodiesel, consult your Cat dealer). Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels up to: 20% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. * Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel (for use of blends higher than 20% biodiesel, consult your Cat dealer).

Weights

Operating Weight

87083 lb 39500 kg

Transmission

Powertrain

Fully Automatic 4-Speed with Lock-up Clutch (LUC) torque divider Fully Automatic 4-Speed with Lock-up Clutch (LUC) torque divider

Service Refill Capacities

Fuel Tank	165.6 gal (US) 627 l
DEF Tank	8.7 gal (US) 33 l

Standard SU

Operating Weight	87083 lb 39500 kg
Ground Pressure	13 psi 89.7 kPa
Width of Standard Shoe	24 in 610 mm
Blade	Semi-Universal (SU) Semi-Universal (SU)
Blade Capacity	13.47 yd³ 10.3 m³

LGP

Operating Weight	83963 lb 38085 kg
Ground Pressure	7.9 psi 54.6 kPa
Width of Standard Shoe	38 in 965 mm
Blade	LGP Semi-Universal (SU) LGP Semi-Universal (SU)
Blade Capacity	12.9 yd³ 9.9 m³

Waste Handler

Operating Weight	87964 lb 39900 kg
Ground Pressure	12.1 psi 83.7 kPa
Width of Standard Shoe	26 in 660 mm
Blade	Semi-Universal (SU) Landfill Semi-Universal (SU) Landfill
Blade Capacity	27.7 yd³ 21.2 m³

LGP Waste Handler

Operating Weight	91591 lb 41545 kg
Ground Pressure	8.6 psi 59.6 kPa
Width of Standard Shoe	38 in 965 mm
Blade	Semi-Universal (SU) Landfill Semi-Universal (SU) Landfill
Blade Capacity	27.7 yd³ 21.2 m³

Sustainability

Recyclability

98% 98%

Air Conditioning System

Air Conditioning

The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.36 kg of refrigerant which has a CO2 equivalent of 1.946 metric tonnes. The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.36 kg of refrigerant which has a CO2 equivalent of 1.946 metric tonnes.

D8 - Tier 4/Stage V Standard Equipment

NOTE

Standard and optional equipment may vary. Consult your Cat® dealer for details.

Powertrain

Cat® C15 Engine

Fully-automatic 4-speed transmission with lock-up clutch (LUC) torque divider

Aftercooler, air-to-air (ATAAC)

Extended life coolant

Diesel exhaust fluid (DEF) system - electronic fill indicator, heated lines/tank

Differential steering

Engine air filter with electronic service indicator

Engine air precleaner with dust ejection

Engine idle shutdown

Final drives, double reduction - Standard or LGP

Fuel water seperator

Fuel priming pump, electric

Fan, hydraulic demand

Fan, auto reversing

Radiator, aluminum bar plate with debris resistant cores

High performance single plane cooling system

Starting aid, automatic ether

Cat Technology

Cat Slope Indicate

Cat Assist with ARO package

Third party grade control ready cab

Compatibility with radios and base stations from Trimble, Topcon, and Leica

Capability to install 3D grade systems from Trimble, Topcon, and Leica

Product Link™ – Cellular

Remote Flash/Troubleshoot

Cat Track Wear Sensor

Machine security - passcode

Remote control ready

Operator Environment

Fully redesigned cab with integrated ROPS and FOPS, single pane door glass, sliding windows, with Cat Advanced Cabin Filtration

Full-color 254 mm (10 in) liquid crystal touchscreen display

High definition rear view camera with backup lines

In-display key machine features

Operator ID/operator ID with security

Cloth seat with mechanical adjustable lumbar support

Armrests adjustable fore-aft and vertically

Electrohydraulic implement and steering controls

Joystick control - ARO

Decelerator pedal

Fresh air filter

Cab mounted modular HVAC system with automatic reversing fans. Automatic temperature and blower control with distributed ducting.

Rearview mirror

Retractable 76 mm (3 in) seat belt

Cup holders

Dash foot pads

Entertainment radio with Bluetooth and microphone

Lunch box storage

Wipers

USB and AUX ports

Operator presence switch

Guarding and Screens

Bottom guards - standard

Electrical

Lights - 6 LED

Access/egress lighting with shutdown timer

Backup alarm

Converter: 15 Amp, 12V outlets

Forward warning horn

Hydraulics

Load sensing hydraulics

Independent steering and implement pumps

Dozer tilt hydraulics - single tilt

Guarded blade hydraulic hoses

Electronically enabled quick drop valve

Rear hydraulics ripper and winch ready

Batteries, Starters, Alternators, and Coolant

150 Amp alternator

24 Volt starter

Engine coolant, –37° C (–35° F)

Four maintenance free 12-volt batteries (900 cca) (24-volt system)

Push Arms

Standard

Undercarriage

Standard or low ground pressure (LGP) undercarriage

Heavy duty with positive pin retention (PPR) undercarraige - 44 section track, sealed and lubricated, single grouser shoes

Suspension-type undercarriage

Carrier rollers

Hydraulic track adjusters

Lifetime lubricated track and roller

Moderate service track shoes

Track guide

Sprocket rim segments, replaceable

8-roller tubular track roller frame (carrier roller ready)

Two-piece master links

Service and Maintenance

30-minute cab removal

Centralized, remote mounted pressure taps

Ecology drains

Extended service intervals (500 hours engine, 1,000-hour powertrain)

Ground level service center (remote electrical disconnect, secondary shutdown switch, hour meter, jump start)

Heavy duty perforated radiator doors, louvered and hinged

Under hood work light

Removable engine enclosures, perforated and hinged

Scheduled Oil Sampling (S·O·S℠) ports

Shovel holder

D8 - Tier 4/Stage V Optional Equipment

Note

Standard and optional equipment may vary. Consult your Cat® dealer for details

Powertrain

Brakes, extreme service

Engine air precleaner with screen and dust ejector

Engine with thermal shield

Final drives, double reduction - Arctic, Waste

Oil change system, high speed

Sound suppression

Starting aid, jacket water heater (110V or 220V)

Cat Technology

Cat Grade 3D Ready with Assist package (hardware only)

Cat Grade 3D with Assist package

Product Link™ – dual mode

Grade connectivity

Grade corrections radio

Machine security - Bluetooth

Cat Command for Dozing

Operator Environment

High debris cab, fully redesigned with integrated ROPS and FOPS, impact resistant polycarbonate doors, solid side windows for improved sealing, powered precleaner with Cat Advanced Cabin Filtration for improved performance and filter life

Cab glass capable of withstanding up to 40 psi

Deluxe leather heated/ventilated seat with electronic adjustable lumbar support

Powered fresh air filter precleaner

Communication radio ready

Floor plate and pedals for shorter operators

Emergency hammer

Window shades

Undercarriage

Heavy duty extended life (HDXL) with PPR undercarriage - 44 section track, sealed and lubricated, single grouser shoes

Waste undercarriage

Arctric undercarriage

Extreme service track shoes

Blades

Semi-Universal (SU)

Universal

Waste/Landfill

Angle

Rock guard/wear plate

Push plate

FirstCut cutting edges (SU blades)

Push Arms

Extreme

Hydraulics

Dozer tilt hydraulics – dual tilt

Electrical

Premium lights – 12 LED

Beacon warning light

Batteries, Starters, Alternators and Coolant

150 Amp ducted alternator

Arctic engine coolant, –51° C (–60° F)

Service and Maintenance

Fast fuel fill

High-speed oil change

Heavy duty radiator doors for waste and woodchip applications

Quick access cab floor

Attachments

Multi-shank ripper with CapSure ripper tips and shank protector

Single shank ripper with CapSure ripper tip and shank protector

Pin puller (single shank)

Rear striker box with striker bar

Rear striker bar

Winch, PV140

Rear counterweight

Drawbar

Guarding and Screens

Bottom guards - heavy duty, powered, sealed

Cab rear screen - fixed or hinged

Cab side screens - hinged

Fuel tank guards

HVAC guard

Light guards

Striker bars, front, suspended

Sweeps package

Product Specifications for D8 - Tier 4/Stage V

Download Print

Engine

Engine Model	Cat® C15 Cat® C15
Power - Net	363 hp 271 kW
Net Power - ISO 9249/SAE J1349	363 hp 271 kW
Net Power - ISO 9249 (DIN)	368 mhp 368 mhp
Build Number	22A 22A
Emissions	U.S. EPA Tier 4 Final/ EU Stage V/Japan 2014/Korea Stage V/China Nonroad Stage IV U.S. EPA Tier 4 Final/ EU Stage V/Japan 2014/Korea Stage V/China Nonroad Stage IV
Note (1)	Net power at 2,050 rpm. Net power advertised is the power available at the engine flywheel when the engine is equipped with a fan, air cleaner, clean emissions module and alternator. Advertised power is tested per the specified standard in effect at the time of manufacture. Net power at 2,050 rpm. Net power advertised is the power available at the engine flywheel when the engine is equipped with a fan, air cleaner, clean emissions module and alternator. Advertised power is tested per the specified standard in effect at the time of manufacture.
Note (2)	Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels up to: 20% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. * Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel (for use of blends higher than 20% biodiesel, consult your Cat dealer). Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels up to: 20% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. * Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel (for use of blends higher than 20% biodiesel, consult your Cat dealer).

Weights

Operating Weight

87083 lb 39500 kg

Transmission

Powertrain

Fully Automatic 4-Speed with Lock-up Clutch (LUC) torque divider Fully Automatic 4-Speed with Lock-up Clutch (LUC) torque divider

Service Refill Capacities

Fuel Tank	165.6 gal (US) 627 l
DEF Tank	8.7 gal (US) 33 l

Standard SU

Operating Weight	87083 lb 39500 kg
Ground Pressure	13 psi 89.7 kPa
Width of Standard Shoe	24 in 610 mm
Blade	Semi-Universal (SU) Semi-Universal (SU)
Blade Capacity	13.47 yd³ 10.3 m³

LGP

Operating Weight	83963 lb 38085 kg
Ground Pressure	7.9 psi 54.6 kPa
Width of Standard Shoe	38 in 965 mm
Blade	LGP Semi-Universal (SU) LGP Semi-Universal (SU)
Blade Capacity	12.9 yd³ 9.9 m³

Waste Handler

Operating Weight	87964 lb 39900 kg
Ground Pressure	12.1 psi 83.7 kPa
Width of Standard Shoe	26 in 660 mm
Blade	Semi-Universal (SU) Landfill Semi-Universal (SU) Landfill
Blade Capacity	27.7 yd³ 21.2 m³

LGP Waste Handler

Operating Weight	91591 lb 41545 kg
Ground Pressure	8.6 psi 59.6 kPa
Width of Standard Shoe	38 in 965 mm
Blade	Semi-Universal (SU) Landfill Semi-Universal (SU) Landfill
Blade Capacity	27.7 yd³ 21.2 m³

Sustainability

Recyclability

98% 98%

Air Conditioning System

Air Conditioning

D8 - Tier 4/Stage V Standard Equipment

NOTE

Standard and optional equipment may vary. Consult your Cat® dealer for details.

Powertrain

Cat® C15 Engine

Fully-automatic 4-speed transmission with lock-up clutch (LUC) torque divider

Aftercooler, air-to-air (ATAAC)

Extended life coolant

Diesel exhaust fluid (DEF) system - electronic fill indicator, heated lines/tank

Differential steering

Engine air filter with electronic service indicator

Engine air precleaner with dust ejection

Engine idle shutdown

Final drives, double reduction - Standard or LGP

Fuel water seperator

Fuel priming pump, electric

Fan, hydraulic demand

Fan, auto reversing

Radiator, aluminum bar plate with debris resistant cores

High performance single plane cooling system

Starting aid, automatic ether

Cat Technology

Cat Slope Indicate

Cat Assist with ARO package

Third party grade control ready cab

Compatibility with radios and base stations from Trimble, Topcon, and Leica

Capability to install 3D grade systems from Trimble, Topcon, and Leica

Product Link™ – Cellular

Remote Flash/Troubleshoot

Cat Track Wear Sensor

Machine security - passcode

Remote control ready

Operator Environment

Fully redesigned cab with integrated ROPS and FOPS, single pane door glass, sliding windows, with Cat Advanced Cabin Filtration

Full-color 254 mm (10 in) liquid crystal touchscreen display

High definition rear view camera with backup lines

In-display key machine features

Operator ID/operator ID with security

Cloth seat with mechanical adjustable lumbar support

Armrests adjustable fore-aft and vertically

Electrohydraulic implement and steering controls

Joystick control - ARO

Decelerator pedal

Fresh air filter

Cab mounted modular HVAC system with automatic reversing fans. Automatic temperature and blower control with distributed ducting.

Rearview mirror

Retractable 76 mm (3 in) seat belt

Cup holders

Dash foot pads

Entertainment radio with Bluetooth and microphone

Lunch box storage

Wipers

USB and AUX ports

Operator presence switch

Guarding and Screens

Bottom guards - standard

Electrical

Lights - 6 LED

Access/egress lighting with shutdown timer

Backup alarm

Converter: 15 Amp, 12V outlets

Forward warning horn

Hydraulics

Load sensing hydraulics

Independent steering and implement pumps

Dozer tilt hydraulics - single tilt

Guarded blade hydraulic hoses

Electronically enabled quick drop valve

Rear hydraulics ripper and winch ready

Batteries, Starters, Alternators, and Coolant

150 Amp alternator

24 Volt starter

Engine coolant, –37° C (–35° F)

Four maintenance free 12-volt batteries (900 cca) (24-volt system)

Push Arms

Standard

Undercarriage

Standard or low ground pressure (LGP) undercarriage

Heavy duty with positive pin retention (PPR) undercarraige - 44 section track, sealed and lubricated, single grouser shoes

Suspension-type undercarriage

Carrier rollers

Hydraulic track adjusters

Lifetime lubricated track and roller

Moderate service track shoes

Track guide

Sprocket rim segments, replaceable

8-roller tubular track roller frame (carrier roller ready)

Two-piece master links

Service and Maintenance

30-minute cab removal

Centralized, remote mounted pressure taps

Ecology drains

Extended service intervals (500 hours engine, 1,000-hour powertrain)

Ground level service center (remote electrical disconnect, secondary shutdown switch, hour meter, jump start)

Heavy duty perforated radiator doors, louvered and hinged

Under hood work light

Removable engine enclosures, perforated and hinged

Scheduled Oil Sampling (S·O·S℠) ports

Shovel holder

D8 - Tier 4/Stage V Optional Equipment

Note

Standard and optional equipment may vary. Consult your Cat® dealer for details

Powertrain

Brakes, extreme service

Engine air precleaner with screen and dust ejector

Engine with thermal shield

Final drives, double reduction - Arctic, Waste

Oil change system, high speed

Sound suppression

Starting aid, jacket water heater (110V or 220V)

Cat Technology

Cat Grade 3D Ready with Assist package (hardware only)

Cat Grade 3D with Assist package

Product Link™ – dual mode

Grade connectivity

Grade corrections radio

Machine security - Bluetooth

Cat Command for Dozing

Operator Environment

High debris cab, fully redesigned with integrated ROPS and FOPS, impact resistant polycarbonate doors, solid side windows for improved sealing, powered precleaner with Cat Advanced Cabin Filtration for improved performance and filter life

Cab glass capable of withstanding up to 40 psi

Deluxe leather heated/ventilated seat with electronic adjustable lumbar support

Powered fresh air filter precleaner

Communication radio ready

Floor plate and pedals for shorter operators

Emergency hammer

Window shades

Undercarriage

Heavy duty extended life (HDXL) with PPR undercarriage - 44 section track, sealed and lubricated, single grouser shoes

Waste undercarriage

Arctric undercarriage

Extreme service track shoes

Blades

Semi-Universal (SU)

Universal

Waste/Landfill

Angle

Rock guard/wear plate

Push plate

FirstCut cutting edges (SU blades)

Push Arms

Extreme

Hydraulics

Dozer tilt hydraulics – dual tilt

Electrical

Premium lights – 12 LED

Beacon warning light

Batteries, Starters, Alternators and Coolant

150 Amp ducted alternator

Arctic engine coolant, –51° C (–60° F)

Service and Maintenance

Fast fuel fill

High-speed oil change

Heavy duty radiator doors for waste and woodchip applications

Quick access cab floor

Attachments

Multi-shank ripper with CapSure ripper tips and shank protector

Single shank ripper with CapSure ripper tip and shank protector

Pin puller (single shank)

Rear striker box with striker bar

Rear striker bar

Winch, PV140

Rear counterweight

Drawbar

Guarding and Screens

Bottom guards - heavy duty, powered, sealed

Cab rear screen - fixed or hinged

Cab side screens - hinged

Fuel tank guards

HVAC guard

Light guards

Striker bars, front, suspended

Sweeps package

Compatible Technology and Services

Leverage Caterpillar connected data and security principles to improve efficiencies, increase productivity and make your business more profitable.

Command

Equipment Management

Grade

Cat Command Remote Control for Construction

Cat Command is an advanced remote control system that takes operators off the machine and away from potential dangers when working with hazardous materials or in unsafe conditions. The system's deep integration with machine systems ensures smooth and precise control for optimal efficiency and productivity.

Explore Technology

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Cat Command is an advanced remote control system that takes operators off the machine and away from potential dangers when working with hazardous materials or in unsafe conditions. The system's deep integration with machine systems ensures smooth and precise control for optimal efficiency and productivity.

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Cat Product Link

Cat® Product Link™ wirelessly connects you to your equipment giving you valuable insight into how your machine or fleet is performing. Information such as location, hours, fuel usage, productivity, idle time, and diagnostic codes are made available through online web applications so that you can make timely, fact-based decisions to maximize efficiency, improve productivity, and lower the cost of owning and operating your fleet. Available with satellite or cellular connectivity.

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Cat Remote Flash

Remote Flash sends an alert from your Cat dealer, prompting you to update the software on your machine. To minimize downtime, updates can be deployed while on the jobsite without having to wait for a dealer technician to arrive. Remote flash decreases maintenance time and keeps your asset running with maximum efficiency.

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Cat Remote Troubleshooting

Remote Troubleshoot allows your Cat dealer to run testing while the machine is operating. Once the problem is identified, a technician can fix it with the correct parts and tools the first time, saving time and money. Remote Troubleshoot decreases maintenance time and keeps your machine running with maximum efficiency.

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VisionLink®

VisionLink® is a cloud-based software application that takes the guesswork out of fleet management with key insights to maximize performance - regardless of fleet size or equipment manufacturer. Receive equipment data seamlessly to your desktop or mobile device, all from a convenient centralized solution to make informed decisions at every turn.

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Cat® Product Link™ wirelessly connects you to your equipment giving you valuable insight into how your machine or fleet is performing. Information such as location, hours, fuel usage, productivity, idle time, and diagnostic codes are made available through online web applications so that you can make timely, fact-based decisions to maximize efficiency, improve productivity, and lower the cost of owning and operating your fleet. Available with satellite or cellular connectivity.

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Remote Flash sends an alert from your Cat dealer, prompting you to update the software on your machine. To minimize downtime, updates can be deployed while on the jobsite without having to wait for a dealer technician to arrive. Remote flash decreases maintenance time and keeps your asset running with maximum efficiency.

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Remote Troubleshoot allows your Cat dealer to run testing while the machine is operating. Once the problem is identified, a technician can fix it with the correct parts and tools the first time, saving time and money. Remote Troubleshoot decreases maintenance time and keeps your machine running with maximum efficiency.

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VisionLink® is a cloud-based software application that takes the guesswork out of fleet management with key insights to maximize performance - regardless of fleet size or equipment manufacturer. Receive equipment data seamlessly to your desktop or mobile device, all from a convenient centralized solution to make informed decisions at every turn.

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Cat Grade with 3D for Dozers

Cat® Grade with 3D for Dozers is a factory-integrated grade control system that helps operators improve grading efficiency, accuracy, and productivity using automated blade movements.

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Cat® Grade with 3D for Dozers is a factory-integrated grade control system that helps operators improve grading efficiency, accuracy, and productivity using automated blade movements.

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See how D8 - Tier 4/Stage V compares against frequently compared products.

Dozers

Selected

D8 - Tier 4/Stage V

Engine Model: Cat® C15; Cat® C15
Power - Net: 363 hp; 271 kW
Operating Weight: 87083 lb; 39500 kg

Dozers

D7 - Tier 4/Stage V

Engine Model: Cat C9.3B; Cat C9.3B
Power - Net: 265 hp; 197 kW
Operating Weight: 65644 lb; 29776 kg

View Details

Dozers

D6 XE - Tier 4/Stage V

Engine Model: Cat C9.3B; Cat C9.3B
Power - Net: 215 hp; 161 kW
Operating Weight: 51333 lb; 23285 kg

View Details

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Medium Dozers D8 - Tier 4/Stage V

Overview

RENOWNED PERFORMANCE

Benefits

More Work. Less Effort.

Productivity with Cat Technology

Enhanced Safety and Service

Features At A Glance

Product Specifications for D8 - Tier 4/Stage V

Engine

Weights

Transmission

Service Refill Capacities

Standard SU

LGP

Waste Handler

LGP Waste Handler

Sustainability

Air Conditioning System

D8 - Tier 4/Stage V Standard Equipment

NOTE

Powertrain

Cat Technology

Operator Environment

Guarding and Screens

Electrical

Hydraulics

Batteries, Starters, Alternators, and Coolant

Push Arms

Undercarriage

Service and Maintenance

D8 - Tier 4/Stage V Optional Equipment

Note

Powertrain

Cat Technology

Operator Environment

Undercarriage

Blades

Push Arms

Hydraulics

Electrical

Batteries, Starters, Alternators and Coolant

Service and Maintenance

Attachments

Guarding and Screens

Product Specifications for D8 - Tier 4/Stage V

Engine

Weights

Transmission

Service Refill Capacities

Standard SU

LGP

Waste Handler

LGP Waste Handler

Sustainability

Air Conditioning System

D8 - Tier 4/Stage V Standard Equipment

NOTE

Powertrain

Cat Technology

Operator Environment

Guarding and Screens

Electrical

Hydraulics

Batteries, Starters, Alternators, and Coolant

Push Arms

Undercarriage

Service and Maintenance

D8 - Tier 4/Stage V Optional Equipment

Note

Powertrain

Cat Technology

Operator Environment

Undercarriage

Blades

Push Arms

Hydraulics

Electrical

Product Brochures and More Are Ready to Download!