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3508 Land Drilling Engines

Land Drilling Engines and Generator Sets 3508

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Key Specs

Maximum Rating
1135 BHP
846 bkW
Emissions
Non-certified
Non-certified
Displacement
2111 in³
34.5 l

Overview

Cat 3508 engines set the standard in the drilling industry. For many years the 3500 has been the preferred choice by drillers due to their high performance, durability, and reliability in the oilfield. The ideal application for the 3508 engine is mechanical drive for land drilling rigs. Cat engines are backed by the worldwide network of Cat dealers ready to support your operation with technical support, service, parts, and warranty. 3508 engines, with ratings: 3508 engines, with ratings: 507-846 bkW (680-1135 bhp) @ 1200-1900 rpm. Not emissions certified, available for non-regulated areas.

Product Specifications for 3508

Maximum Rating 1135 BHP 846 bkW
Emissions Non-certified Non-certified
Displacement 2111 in³ 34.5 l
Minimum Rating 680 BHP 507 bkW
Bore 6.69 in 170 mm
Stroke 7.48 in 190 mm
Rated Speed 1900 r/min 1900 r/min
Aspiration Turbocharged-Aftercooled Turbocharged-Aftercooled
Governor and Protection W3161 W3161
Engine Weight - Net Dry 9500 lb 4309 kg
Oil Change Interval 500 500
Rotation from Flywheel End Counterclockwise Counterclockwise
Flywheel and Flywheel Housing SAE No. 00 SAE No. 00
Flywheel Teeth 151 151
Minimum Cooling System - Engine Only 27.2 gal (US) 103 l
Length 84.1 in 2136 mm
Width 67 in 1702 mm
Height 67.7 in 1720 mm

3508 Standard Equipment

Air Inlet System

  • Corrosion-resistant aftercooler core
  • Regular duty air cleaner
  • Service indicator

Control System

  • Governor, Woodward 3161 — RH
  • Pneumatic control
  • Governor control - positive locking

Cooling System

  • Thermostats and housing (dual outlet)
  • Jacket water pump, gear driven

Exhaust System

  • Dry exhaust manifold
  • Exhaust flexible fitting, adapters, and flanges

Flywheel and Housing

  • SAE No. 00 flywheel
  • SAE No. 00 flywheel housing
  • SAE standard rotation

Fuel System

  • Fuel filter
  • Fuel transfer pump
  • Flexible fuel lines
  • Fuel priming pump

Instrumentation

  • Analog instrument gauges:

Lubrication System

  • Crankcase breather
  • Oil cooler
  • Oil filter
  • Shallow oil pan
  • Oil drain extension, 2 in NPT female connection

Mounting System

  • Rails, mounting, floor type

Power take-offs

  • Accessory drive
  • Front housing, two-sided

Protection System

  • Manual shutoff control, LH
  • Junction box
  • Safety shutoff protection, energized to shutdown

Starting System

  • Air starting motor
  • Air silencer

General

  • Paint - Cat yellow
  • Vibration damper and guard
  • Lifting eyes

3508 Optional Equipment

Air Inlet System

  • Heavy duty air cleaner
  • Remote air inlet adapters

Control System

  • Load sharing governor, 2301A
  • Load sharing module
  • Governor conversion to 0-200 mA direct rack control
  • Local speed throttle control
  • Throttle position sensors

Cooling System

  • High gloss black folded core radiators and conventional core radiators
  • Belt guard
  • Blower fan
  • Fan drive and fan pulley
  • Radiator cover
  • Water level switch gauge
  • Air separator
  • Coolant level sensors
  • Connections

Exhaust System

  • Exhaust elbows
  • Exhaust mufflers

Fuel System

  • Primary fuel filter

Generator and Attachments

  • Low voltage extension box
  • Potential and current transformers
  • Air filter
  • Cable access box
  • Bearing RTDs

Instrumentation

  • Customer management device
  • Gauges and instrumentation panels
  • Switches and contactors

Lubrication System

  • Crankcase fumes disposal
  • Oil pan accessories

Power Take-off

  • Crankshaft pulley
  • Front stub shaft
  • Charging alternator
  • Air compressor

Protection System

  • Explosion relief valves (3)
  • Shutoffs
  • Switches and contactors

Starting System

  • Manual air starter
  • Air pressure regulator

General

  • Flywheel guard

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3508 Land Drilling Engines

3508 Land Drilling Engines

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