Caterpillar has updated the D6N track-type tractor with a new engine featuring ACERT Technology, a SystemOne undercarriage with oscillating track roller frame, and a factory-installed on-board platform that allows easy installation of the AccuGrade Laser or GPS system. Additional changes enhance the operator station, structures and serviceability for increased productivity and durability and lower operating costs.
The Cat engine with ACERT Technology delivers 150 hp (111.8 kW) at the flywheel. The D6N weighs 36,497 lbs. (16,555 kg) with the XL (extended length) undercarriage and 39,112 lbs. (17,741 kg) with the LGP (low ground pressure) undercarriage. Responsive power and differential steer help make the D6N a productive dozing and grading machine, according to the manufacturer.
The D6N is equipped with the Caterpillar C6.6 engine with ACERT Technology. The engine uses the ADEM A4 advanced electronic controller and common rail fuel injection for precise fuel delivery, resulting in increased lugging performance and lower emissions. Emissions meet US EPA Tier III and worldwide emissions requirements.
Serviceability also has been enhanced with the addition of a standard electric fuelpriming pump with integrated fuel/water separator. Electronic monitoring systems alert the operator when service is required for the engine air cleaner and fuel/water separator.
The drive train features the Caterpillar Multi Velocity Program (MVP), which allows operators to choose from five different speed ranges in both forward and reverse. Selected operating speeds have been optimized to provide the best performance, fuel economy and drawbar pull for a variety of applications. The engine speed in each range adapts automatically to provide a smooth, comfortable and productive machine.
The D6N undercarriage features an oscillating track roller frame, which keeps more of the track on the ground in uneven terrain. The result is increased machine stability, decreased ground shock to the machine and a smoother, more comfortable ride, according to the manufacturer.
To further reduce operating costs and extend undercarriage life up to 70 percent, the Caterpillar SystemOne undercarriage is standard on the D6N. With SystemOne each component has been designed to work together as a system, to ensure balanced component wear and longer life.
SystemOne combines a bushing that rotates with a center-tread-idler to provide the D6N with the capability for high speed operation in both forward and reverse. SystemOne eliminates accelerated wear on the bushings and sprockets when operating in reverse. As a result, cycle times can be reduced without sacrificing undercarriage life.
The AccuGrade Attachment Ready option includes all of the changes needed to machine systems — electrical, hydraulic, blade and cab. Mounting brackets on the blade allow easy installation of the masts. Similarly, brackets and plug-in points in the cab accommodate the display. AccuGrade allows automatic control of blade lift and tilt.
The redesigned operator station provides visibility to the work area and reduces sound and vibration levels. Standard air conditioning and the C500 air suspended seat help the operator remain efficient throughout the work shift.
For more information, visit www.cat.com.