New Cat® D11 Dozer Drives Down Cost Per Ton

For Release Worldwide: November 2018
Release Number: 577PR18

The new Cat® D11 Dozer features new load-sensing hydraulics and high-horsepower reverse combined with the latest technology to move more material at a lower cost per ton. Engineered to be rebuilt multiple times, the new D11 has a redesigned main frame that delivers lower total cost of ownership over the life of the machine. Time-saving service updates reduce daily maintenance and boost machine uptime.

Lower cost, higher production

New load-sensing hydraulics and new drive train components deliver up to 8 percent fuel efficiency gains. The variable hydraulic pumps adjust output to meet demand, which saves energy, reduces heat generation and extends component life. The new stator clutch torque divider provides improved drive train efficiency. When combined with the new, high-horsepower reverse function, the machine delivers 4 to 8 percent greater productivity while burning less fuel.

Redesigned structures and components increase reliability and durability for higher utilization. For example, the larger equalizer bar features an improved bearing design to increase reliability. The new D11 also improves on the time-tested elevated sprocket undercarriage with a more robust track roller frame to extend component service life. Replaceable bearings on the ripper and blade pin boreholes and new push arm trunnion bearing inserts offer fast replacement and extend component life.

Available with a choice of emissions solutions to meet regional requirements, the Cat C32 engine delivers power ratings of 634 kW (850 hp) forward and 712 kW (955 hp) reverse for increased performance. A new single-plane cooling system design better dissipates heat to maintain consistent operating temperatures, even in extreme heat, and it provides easier core cleanout. Improved reversing fan function delivers greater reverse airflow for radiator cleanout.

Improved service, operation and safety

A 30 percent larger engine oil sump capacity extends preventive maintenance intervals to 500 hours in challenging environments, giving customers more uptime. The ground-level electrical center provides convenient access to the lockout control, engine shutdown switch, and switches for access ladder raise/lower and remote-control mode options. Service technicians can also fill the Auto Lube system and change the coolant and hydraulic, engine and powertrain oil from the ground.

Standard features built into the new D11 offer improved access to the operator compartment. The cab door can now be mounted for either left- or right-side opening. Delayed egress lighting allows the operator to exit an illuminated dozer, while access lighting is controlled from either the cab or ground-level electrical center.

The new operator station features high-definition touchscreen displays with scalable electronic architecture. The dynamic fluid monitoring system displays fluid levels and warns the operator of low-fluid conditions. New cab anchor points for tie-off advance safety during service and maintenance.

Technology boosts efficiency

Caterpillar offers a range of standard and optional technologies for the new Cat D11 Dozer, so operations can get work done more efficiently, more accurately and at a lower cost. Standard Automated Blade Assist makes use of preset blade pitch position to increase efficiency while reducing operator workload. Fuel efficiency and productivity are optimized through Enhanced Auto Shift, which automatically selects the optimal gear and engine speed based on powertrain load and desired ground speed.

Available AutoCarry™ automatically changes blade position to keep track slip at a minimum to optimize productivity when pushing a load. The optional Auto Ripper Control reduces operator fatigue and decreases machine wear by monitoring and automatically adjusting engine speed and ripper depth to minimize track slip. Cat Product Link™, also available, enables remote reporting of critical operating data like machine location, operation and condition, and allows data tracking from anywhere through VisionLink™.

Available Cat MineStar™ technologies for the D11 include Terrain for grading, which guides the operator in grading to plan and boosts productivity by reducing rework. Command for dozing offers multiple levels of remote control as well as semi-autonomous operation, which enables a single remotely located operator to manage several dozers.

The new Cat D11 Dozer will be commercially available in second quarter 2019. For more information about Cat dozers, contact the local Cat dealer or visit: www.cat.com

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