The D6R Series III operator's station is designed for comfort and ease of operation.
CabAn isolation-mounted, pressurized cab reduces noise and vibration for operator comfort. The cab is pre-wired for a 12-volt or 24-volt radio, equipped with two speakers, an antenna and a radio mount recessed in the headliner.
Clear Working ViewThe operator has an excellent view to the blade and rear of the machine for maximum productivity. The tapered hood, notched fuel tank and narrow single-shank ripper carriage give the operator a clear line of sight to the front and rear work areas. The large single-pane windows offer excellent viewing to the sides and blade. The low rear window lets the operator see the ripper tip.
Cat Comfort Series SeatThe Cat Comfort Series seat has a thick, contoured cushion, rolled down front edge and is adjustable eight-ways for optimal support and comfort. Seat side bolsters restrain side-to-side movement when working on steep grades or side slopes. The operator can feel the terrain and load on the machine through the seat. The seat and suspension are designed for 10,000-hour life.
Adjustable ArmrestsStandard, adjustable armrests provide additional comfort for the operator. Adjustment can be performed without the use of any tools.
In-Dash Instrument ClusterThe instrument panel, with easy-to-read gauges and warning lamps, keeps the operator aware of all system information. All gauges and readouts are easily visible in direct sunlight.
Cat Monitoring System Display
The dash mounted instrument cluster provides on-the-go operating information and gives the operator and service technician insight into the machine’s operation and maintenance needs. The Caterpillar Monitoring System includes:
- Fuel level gauge
- Hydraulic oil temperature gauge
- Engine coolant temperature gauge
- Power train oil temperature gauge
- Engine oil pressure indicator
- Digital readout
- Transmission gear indicator
Heating and Air ConditioningConveniently located air circulation vents evenly distribute airflow within the cab. Controls are easily accessible from the operator seat.
Power ConverterThe D6R Series III features a 10-amp, 12-volt power converter for the convenient use of radios, wireless phones and laptop computers.
Work Tool Lock-Out SwitchRedesigned from a mechanical rotary switch to an electronic rocker switch, the work tool lock-out valve prevents inadvertent operation of the hydraulic work tool attachments.
Throttle Rocker SwitchWith the touch of a finger, the rocker switch activates high or low idle. A decelerator pedal gives the operator full control of engine speed when the rocker switch is in the high idle position. Engine speed can be set between high and low idle by simultaneously using the decelerator pedal and holding the Rabbit side of the throttle switch in for three seconds.
Steering and Transmission ControlDifferential steering controls the direction and degree of turns, forward-reverse shifting and gear selection in a single control handle which enhances operator comfort. Touch shift buttons on the steering control shifts the electronically controlled powershift transmission. The tiller allows the operator to work precisely in close areas around structures, grade stakes and other machines with the finest modulation in the industry.
Auto-Shift/Auto-KickdownAuto-shift allows the operator to pre-select a forward and reverse gear for easy, efficient directional changes. Auto-shift settings include first forward to second reverse, second forward to second reverse, and second forward to first reverse. Auto-kickdown allows the transmission to automatically downshift when significant load increases are detected.
Dozer Control LeverThe D6R Series III features ergonomically designed dozer controls with low-effort, pilot-operated hydraulics for added operator comfort, easy operation and precise work tool control. When equipped with a VPAT blade, the blade control allows simultaneous six-way control of the blade with a thumb rocker control to adjust blade angle. The dozer control is changed to an electro-hydraulic control when the AccuGrade® Ready Option is installed.
Ripper Control LeverThe ripper control with low-effort pilot-operated hydraulics contributes to operator comfort, easy operation and precise work tool control.
A combination of innovations working at the point of combustion, ACERT Technology optimizes engine performance while meeting emission regulations for off-road applications.
Cat C9 with ACERT® TechnologyThe Cat C9 is an 8.8 L (537 in3) displacement, six cylinder, in-line configured engine with hydraulically actuated electronic fuel injection or HEUI™. It uses ACERT Technology, a series of Caterpillar engineered innovations that provide advanced electronic control, precision fuel delivery and refined air management, resulting in outstanding performance and lower emissions. The C9 with ACERT Technology meets U.S. EPA Tier 3 and European Union Stage IIIa emissions standards.
Cylinder BlockIncreased block and head material strength minimizes the effect of high cylinder pressure. A strengthened flywheel housing joint reduces leaks. The sculpted heavy-duty design reduces sound and vibration levels. The mid-supported liner has fewer sealing joints for a reduced risk of leaks. The integral oil cooler reduces engine width, weight and potential leaks while improving coolant and oil flow.
Cylinder HeadA new cross-flow air design with four valves per cylinder and updated port geometry dramatically improve airflow and engine breathability. The cylinder head block features a robust six-bolt design for an improved seal between the head and block at the fire ring which prevents combustion gas leaks. It also minimizes bore/liner distortion. The improved intake port geometry provides a smoother transition and less flow restrictions.
Fractured-Split Connecting RodsThe new fractured-split connecting rods are designed to create near-perfect joint alignment, maximizing rod bearing life. This, in combination with a high efficiency oil filter, ensures long engine life.
ADEM™ A4 Engine ControllerThe air-cooled ADEM A4 controller is the brain of the engine and contains the engine's control software. It regulates fuel delivery, airflow and other engine functions. In addition, it directs the HEUI injectors to deliver multiple injections of fuel during the engine's compression stroke.
Fuel DeliveryMultiple injection fuel delivery involves a high degree of precision. Precisely controlling the combustion cycle lowers combustion chamber temperatures, which lowers emissions and optimizes fuel economy. This translates into more work output per unit of fuel.
HEUI™ Fuel SystemThe HEUI fuel system is highly evolved, with a proven record of reliability. HEUI uses the technical advancement of an electronic control system with the flexibility of hydraulically controlled unit fuel injection. The system excels in its ability to control injection pressure over the entire engine operating speed range. These features allow the C9 to have complete control over injection timing, duration, and pressure.
Air-to-Air AftercoolerThe air-to-air aftercooler (ATAAC) brings cool air to the engine which increases life and lowers emissions. In addition, the ATAAC, together with the tight tolerance combustion chamber components, maximizes fuel efficiency.
Wastegate TurbochargerThe wastegate allows high-volume exhaust to be routed around the turbocharger to the exhaust piping to prevent wheel spin overspeed at high rpm but low load conditions.
ServiceThe new C9 engine offers easier maintenance and repair through monitoring key functions and logging critical indicators. Electronic diagnostic access is possible with a single tool, the Cat Electronic Technician.
Advanced Modular Cooling System (AMOCS)Using a two pass system, the AMOCS radiator provides more efficient heat exchange and improved cooling capacity over the D6R Series II. The coolant is routed from a sectioned bottom tank up the front side, over the top of the core and down the engine side of the core to the bottom tank. This flow pattern allows the coolant to pass through the radiator twice for better cooling.
ServiceabilityThis modular core design permits removal of a single core without removing the entire radiator so repair costs and downtime are reduced. The top tank, side channels and one sealing surface makes AMOCS more reliable and easier to service. A site gauge allows for quick service checks.
Leak ProtectionTo reduce the potential for coolant leaks, brass tubes are welded to a large, thick header to improve the strength of the tube-to-header joint. In conditions where abrasive materials can be airborne, the attachment sand blast grid should be used to prevent core damage.
Sand Blast GridIn an application where airborne debris is prevalent, radiator core protection is a concern. To extend radiator life in harsh applications, a sand blast grid is available as an option to deflect the damaging debris the engine fan propels at the radiator.
Demand Fan OptionBased primarily on ambient air temperature, the optional demand fan can improve productivity up to three percent and reduce fuel consumption up to four percent since the demand fan will only run at a speed needed to meet the cooling requirements of the machine. As cooling requirements increase above 24° C (75° F), the demand fan performance converges towards that of the standard fan so lesser benefit is achieved.
The power shift transmission and differential steering work in tandem with the new C9 engine to deliver the outstanding power and reliability expected from Caterpillar.
A single-stage torque divider sends 70 percent of engine torque through a converter and 30 percent through a direct drive shaft for greater driveline efficiency and higher torque multiplication. The D6R Series III torque divider provides:
- High reliability
- Low dynamic torque
- Optimum combination of operator efficiency and driveline reliability
- Components designed to absorb full engine power
Operating Efficiency and Driveline ReliabilityThe D6R Series III torque divider attains the best combination of operating efficiency and driveline reliability. It acts as a hydrodynamic component between the engine and transmission to reduce dozing shock loads to the transmission and final drives.
Planetary Power Shift Transmission
The D6R Series III planetary power shift transmission includes three speeds forward and three speeds reverse and utilizes large diameter, high capacity, oil-cooled clutches. These clutches provide higher torque capacity and increased service life. The planetary power shift transmission offers several key features and benefits, including:
- Electronically controlled modulation system that allows fast, smooth speed and direction changes
- Modular transmission and differential slide into rear case for servicing ease, even when a ripper is installed
Differential Steering SystemDifferential steering maintains power to both tracks while turning. The tractor turns when one track speeds up and the other slows down an equal amount. The operator can steer and control the transmission simultaneously, which can reduce cycle times in some applications. The differential steering tiller bar has touch shift buttons for upshifts and downshifts. The tiller bar itself is easily rotated forward or reverse to change the respective tractor direction. It is moved forward to steer the tractor to the left and pulled back to move right. Low tiller bar efforts assure operator comfort during long shifts. Large blade loads can be maneuvered around buildings, bridge abutments, trees or other obstacles. Steering modulation is also optimized for precise control in these applications. Greater load capacity, power and speed control are possible in soft underfoot conditions on steep slopes because both tracks are powered during turns.
Elevated Final DriveElevated final drives are isolated from ground and work tool-induced impact loads for extended power train life. The modular design ensures quick and easy service when required.
Load Compensating ShiftingWith load compensating shifting, clutch engagement timing automatically adjusts according to the load factor. This allows improved tractor performance and operator comfort during speed changes and reduces the amount of energy dissipated through the clutches to help extend transmission component life.
The D6R Series III frame is built to absorb high impact shock loads and twisting forces.
Frame and CastingsThe D6R III frame is built to absorb high impact shock loads and twisting forces. The frame has a reinforced saddle and a welded front cross-member that add strength to the frame to better handle lateral and twisting forces. Steel castings augment the strength of the main case.
VPAT FrameThe D6R III VPAT frame has solid side rails to provide a stronger structure. The trunnion joint is located in the saddle to allow the dozer side loads to go into the mainframe instead of through the radiator guard. The reinforced saddle accommodates additional loads through the frame.
Pivot ShaftThe pivot shaft is bolted to the mainframe and connects to the rear roller frames to allow independent oscillation. The pivot shaft distributes impact loads through the case. This design eliminates alignment problems and the need for diagonal braces on the roller frames.
Equalizer BarThe pinned equalizer bar gives the roller frames the ability to oscillate up or down independently to better match ground contours while providing maximum traction and operator comfort. The redesigned equalizer bar features bolted end pins to offer longer life and reduce downtime. This design also allows for improved serviceability and reliability.
The elevated sprocket arrangements allow optimized balance for the best possible performance in each application.
SystemOne™ UndercarriageThe exclusive SystemOne Undercarriage is designed for reliability and durability by greatly increasing undercarriage life and reducing owning and operating costs.
Master LinkA unique feature of the System One Undercarriage is that, unlike traditional undercarriage, a master style link is not required. This improves track reliability and durability. The unique straight link design allows the track to be taken apart at any joint by using the proper Caterpillar tooling to press the link on or off. A clamp-style master link is available but not recommended for high impact conditions or machines using wide shoes in these types of applications.
Shoe SelectionShoe selection is still key to maintaining the proper flotation while using the narrowest shoe possible. There are several sizes in both moderate and extreme service available.
Sealed Cartridge-Style JointsThe all-new cartridge design is factory assembled and sealed for life. A new revolutionary sealing system, synthetic oil, a factory set face load and a newly developed retention system that eliminates endplay are all new features.
Roller DesignThe SystemOne™ roller has a taller flange to improve track guiding, especially in side-sloping applications. Advanced features and reduced piece parts enhance the rollers which help eliminate any flexing in the collars and avoid oil loss. The roller is maintenance-free and serviced as a group only. To achieve total balanced wear, carrier rollers with increased wear life are also used.
Center Tread IdlerThe SystemOne Undercarriage uses center tread idlers which coupled with new, taller flange rollers, improve guiding and eliminate link scalloping. The center tread idler will increase system life 50 percent or more in most applications since they will last as long as two link assemblies. In combination with the rotating bushing design, the center tread idlers and sprocket segments can be reused through at least two undercarriage lives.
Track GaugeWider gauges for the D6R III ensure overall better performance on slopes and make the tractor easier to turn in a variety of applications. Additionally, the gauge changes allow for wider straight shoes on all configurations except LGP VPAT.
Primary Track GuidingSystemOne track primary track guiding is greatly improved over conventional track guiding. New SystemOne single flange track rollers have a 40 percent increase in flange height which increases roller flange side surface area to greatly improve track retention in the rollers. Only the tall, single flange rollers are offered with SystemOne undercarriage.
Secondary Track GuidingSystemOne secondary track guiding is improved. The straight track link design eliminates the conventional link pin boss. The fixed track frame guiding surfaces guide directly on the hardened link side rail. The fixed guide wear surfaces are specifically profiled to match the SystemOne track link side rail geometry.
The D6R Series III Work Tools are designed to provide flexibility to match the machine to the job.
Cat® BladesAll blades feature a strong box-section design that resists twisting and cracking. Blades are made of Cat DH-2™ steel that has high tensile strength and stands up to the most severe applications. Heavy moldboard construction and hardened bolt-on cutting edges and end bits add strength and durability.
Site Preparation ArrangementsThe Ripper Package and Drawbar Package are configured to optimize the performance of the D6R Series III in light to medium duty dozing applications common to site preparation jobs. Answering a need for a maneuverable tractor with the ability to cut and finish grades, the D6R III gives operators the stability needed when working on slopes. When coupled with the VPAT blade, the D6R III allows for more efficient rough and finish grade in applications such as golf course development and house pad construction.
L-Shaped Push ArmsL-shaped push arms bring the blade closer to the machine than diagonal brace designs, providing excellent maneuverability, machine balance and blade penetration. The L-shaped design provides solid lateral stability throughout the life of the machine and better cylinder positions for constant pryout independent of blade height.
Multi-Shank RipperThe multi-shank parallelogram ripper offers the choice of one, two or three shanks depending on job conditions. Curved or straight ripper shanks are available.
Cutting Edges and End BitsHigh-tensile strength Cat DH-2™ steel cutting edges resist torsional bending and distortion in tough applications. End bits are DH-3™ to provide maximum service life in tough materials.
Load Sensing HydraulicsField-proven, load-sensing, pilot controlled hydraulics respond to operating requirements by automatically and continually adjusting hydraulic power to maximize work tool efficiency.
A single lever control actuates both clutch and brake functions to improve operator efficiency.
- Input clutches on PTO shaft reduces engine horsepower losses to maintain fuel efficiency
- Clutch engagement and brake release are automatically synchronized for smoother operation
- Winch components can be serviced with winch mounted on the tractor
Rear CounterweightRear counterweights may be needed to optimize balance for backing up steep slopes or increasing performance in heavy dozing applications. Rear counterweights are recommended if another rear attachment is not specified.
The D6R III can be equipped with a drawbar for retrieving other equipment or pulling work tools such as:
- Chopper wheels
Integrated Electronic Solutions
Caterpillar technology offers customers new opportunities for efficiency and profitability.
AccuGrade® Grade Control SystemThe AccuGrade System allows operators to grade and fill with increased accuracy without the use of traditional stakes or grade checkers. Using advanced laser or Global Positioning System (GPS) technology, machine-mounted components and an off-board transmitter, the AccuGrade System significantly improves the productivity and accuracy of grading equipment by as much as 50 percent over conventional methods.
AccuGrade System Cost SavingsGrade is reached in fewer passes so owning and operating costs are reduced. Fewer grade stakes are required and re-staking is virtually eliminated, realizing a 90 percent cost savings. Higher accuracy means savings in imported material. Productivity is increased up to 50 percent and can be maintained all day so more jobs can be scheduled with more scheduling flexibility.
Product LinkThe optional Product Link system is a factory installed or easily retrofitted wireless system that simplifies equipment fleet tracking. Using satellite or cellular technology, the system automatically reports key machine parameters such as location, machine hours, active and logged service codes and security alarms. Depending on the Product Link version, it can connect with other on-board systems, issue e-mail or pager alerts and provide fuel consumption data.
Cat Machine Security System (MSS)MSS uses electronically coded keys selected by the customer to limit usage by individuals or time parameters. MSS deters theft, vandalism and unauthorized usage. Each machine system can store up to 255 keys and each key can be used on as many machines as desired. MSS can be controlled by a Personal Data Assistant. Field installation is available.
Simplified service means more productive uptime.
Built-in ServiceabilityMajor D6R Series III components are made as modules and most can be removed without disturbing or removing others. This means less service time and more productivity.
Caterpillar Monitoring System
The D6R III features a flexible monitoring system that is easily upgraded by flashing software. As technology changes and new electronics and software become available, this upgradable monitoring system allows the machine to be easily updated and take advantage of improvements. The Caterpillar Monitoring System is designed to:
- Allow easy upgrades
- Reduce downtime
- Match software to unique application needs
Power Train Oil Filter and Pressure TapsThe power train oil filter and pressure taps are remote-mounted in the right-hand fender. This provides ease of service and aids machine diagnostics.
Engine Oil FilterThe engine oil filter is located on the engine for easy servicing access and minimal downtime and is the only engine maintenance item on the right side of the engine compartment. An optional quick oil change attachment can further reduce maintenance time.
Water Separator and Fuel FilterEasily located just inside the engine access panel, the water separator functions as the primary fuel filter, just ahead of the secondary fuel filter. A standard electric priming pump on the primary filter reduces the effort required to prime the system.
Quick Disconnect FittingsQuick disconnect fittings allow for fast diagnosis of the power train and hydraulic oil systems.
Scheduled Oil Sampling AnalysisScheduled oil sampling is made easier through live sampling ports for the engine oil, power train hydraulics and coolant. The ports are also color coded for easy identification of each system.
Underhood Service LightTo make nighttime service and maintenance easier, an adjustable service light is located under the hood behind the radiator.
Total Customer Support
Caterpillar dealer support is unmatched in the industry!
Machine SelectionMake detailed comparisons of the machines you are considering before you buy. How long do components last? What is the cost of preventive maintenance? What is the true cost of lost production? Your Cat dealer can give you answers to these very important questions.
PurchaseConsider the financing options available, as well as the day-to-day operating costs. This is also the time to look at dealer services that can be included in the cost of the machine to yield lower equipment owning and operating costs over the long run.
ServiceabilityQuick and easy serviceability means less downtime and more productivity. Sight gauges, filter locations, convenient access to oil and coolant sampling ports and an engine compartment-mounted work lamp make daily and periodic service faster and easier.
Product SupportNearly all D6R Series III parts can be found at Cat dealer parts counters. Cat dealers utilize a worldwide computer network to find in-stock parts to minimize machine downtime. An exchange program for major components may be available. This will shorten repair time and lower costs.
Remanufactured ComponentsGenuine Cat remanufactured parts helps save money with the same warranty and reliability as new products at cost savings of 40 to 70 percent. Components are available for the drive train, engine and hydraulics.
Parts PricingThe price of parts can impact the overall owning and operating cost of any piece of equipment and are often overlooked when a purchase is being considered. At several points in the machine’s life cycle, maintenance or repair parts will be required. Parts pricing is all about maximizing the bottom line of the end-user and as a result, Cat parts are priced, on average, 35 percent lower than those of other tractors in this size class.
Resale ValueHistory has proven, and continues to show, that Cat machines bring a much higher price than other brands when resold. This translates into all Cat equipment owners getting a greater return on their investment than with other brands.