D11T/D11T CD Track-Type Tractor

Strength from the past. Power for the future. The D11T/D11T CD combines power and efficiency with advanced technology for outstanding production at a lower cost-per-yard. The rugged, easy-to-service Cat® C32 ACERT™ engine powers the D11T. Twin turbochargers and air-to-air aftercooling provides high horsepower while keeping exhaust temperatures cool.

C32 with ACERT Technology

Optimizes engine performance and meets emission regulations.

C32 Engine

Performing at full rated net power of 634 kW 850 hp at 1,800 rpm with a high torque rise of 21 percent, the large displacement and high torque allow the D11T to doze through tough material. Matched to the high efficiency torque divider and electronically controlled power shift transmission, it will provide years of dependable service.

ADEM A4 Engine Controller

The ADEM A4 electronic control module manages fuel delivery and air flow to get the best performance per liter gallon of fuel used. It provides flexible fuel mapping, allowing the engine to respond quickly to varying application needs.

MEUI Fuel System

A highly evolved fuel system with a proven record of reliability in the field. MEUI combines the technical advancement of an electronic control system with the simplicity of direct mechanically controlled unit fuel injection. The MEUI system excels in its ability to control injection pressure over the entire engine operating speed range. These features allow the C32 to have complete control over injection timing, duration, and pressure.

AirtoAir Aftercooling

Provides cooled compressed air to the engine intake manifold reducing emissions and maximizing fuel efficiency.

Overhead Cams

Two, single one per head overhead cams are driven by gears on the flywheel end of the engine. Placing the cam gears at the flywheel end significantly reduces noise and vibration. To reduce wear, two pendulum absorbers are mounted at the front of the camshafts. Together, these two features contribute to the longlife and durability of this engine.

Steel Spacer

Located between the block and head to eliminate the need for block counterbores, and extend block life.

HardenedFaced Valves

Throughhardened crankshaft journals and steelbacked, copperbonded aluminum bearings, help assure reliable performance in the toughest duty.

Components Life

Oilcooled pistons and fulllength water cooled cylinder liners provide maximum heat transfer, and utilize additional coolant passages to provide maximum cooling to the engine.

Cooling System

Superior cooling in the most demanding work conditions.

TwoPass Cooling System

The AMOCS radiator provides more efficient heat exchange. 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.

Hydraulically Variable, Demand Fan

Provides engine cooling capability that is matched to the ambient conditions. In cooler conditions, the fan turns at a slower speed, reducing power demands. This frees up more power in high load factor operations or reduces fuel consumption in lower load factor operations. Low speed fan operation also reduces both operator and spectator sound levels.

Attachments

ulli Low speed option for cold weather applicationslili High ambient radiator optionlili Reversible cooling fan and radiator option for heavy debris applicationsliul

Easy Serviceability

Servicing of the AMOCS can be performed without tilting the radiator guard. Each core module can be replaced individually without removing the entire radiator, saving considerable cost and repair time.

Implement and Steering Controls

Reduced operator fatigue for increased performance.

Dozer Control Lever

A loweffort electronic dozer control handle gives the operator control of all dozer functions with one hand. Foreaft movement of the lever lowers and raises the blade. Leftright movement directionally tilts the blade. Blade response and blade float can be setadjusted using the Advisor Panel. The thumb lever at the top of the handle, controls blade pitch fore and aft. The trigger switch pitches the blade forward to dump the load. The two thumb buttons to the left of the implement control provide control over the semiautomated blade pitch functions that Dual Tilt provides. Blade pitch for load, carry and spread segments can be preset on Advisor and controlled by the buttons.

Electronic Ripper Control

A rigidly mounted handgrip provides firm support for the operator even when ripping in the roughest terrain. The low effort thumb lever controls raising and lowering. The finger lever controls shankin and shankout positioning. Programmable features, such as Auto Lift, ShankOut and Auto Stow, increase operator efficiency.

Finger Tip Controls FTC

Clustered for easy, onehanded operation to the operators left. They control steering, machine direction and gear selection.

AutoCarry optional

Provides automatic blade control during the carry segment of the dozing cycle. AutoCarry is intended to enhance the operators productivity in high production earthmoving with carry distances over 30.5 m 100 ft. By monitoring ground speed with the bellymounted radar gun, the auto carry system controls blade load to maintain approximately 2.4 kmh 1.5 mph true ground speed. Through the systems Dynamic Inclination Sensor, readouts of the tractor pitch angle and sidetoside scope are available on Advisor.

Computer Aided Earthmoving System 40CAES41 optional

This onboard electronic site plan directs machine operators, in realtime, where to cut and fill. A graphical map of the design plan and a view of the machines horizontal and vertical position simplify operation and enhance production. GPS technology centimeterlevel and incab computing capabilities combine for precise grade and slope control. Ideal applications include benches, roads, leach pads, dump areas, and reclamation sites.

Operator Station

Designed for operator comfort, convenience, and productivity.

Operator Controls

Power train and implement controls are conveniently placed for low operator fatigue and ease of control.

Cat Monitoring Display System

The combination dash mounted instrument cluster and the Advisor Monitoring System provide key machine operating information and give the operator and service technician insight into the machines operation and maintenance needs.

Wide Panoramic View

A large view hole in the singleshank ripper frame provides a view of the ripper tip. The tapered hood, notched fuel tank, and narrow ripper carriage gives the operator a clear line of sight to front and rear work areas. The singlepane door windows provide an excellent view to the sides and blade.

Fuse Panel and Diagnostic Access

The operator compartment features a single location fuse panel that includes a diagnostic port for Cat Electronic Technician to connect for rapid machine diagnostics.

Comfortable Operation

Standard isolationmounted cab reduces noise and vibration. The Cat Comfort Series Seat is fully adjustable and designed for comfort and support. Conveniently located air circulation vents evenly distribute airflow within the cab.

Drive Train

Provides maximum efficiency in combination with the Cat C32 engine.

Torque Divider

A singlestage torque converter with output torque divider sends 75 percent of engine torque through the converter and 25 percent through a direct drive shaft for greater driveline efficiency and higher torque multiplication. The torque converter shields the driveline from sudden torque shocks and vibration.

Planetary Power Shift Transmission

Three speeds forward and three speeds reverse, utilizing large diameter, highcapacity, oilcooled clutches. ulli Modulation system permits fast speed and direction changes.lili Modular transmission and bevel gear slide into rear case for servicing ease, even with ripper installed.lili Oiltowater cooler for maximum cooling capacity.lili Forced oil flow lubricates and cools clutch packs to provide maximum clutch life.lili Controlled throttle shifting regulates engine speed during directional shifts for smoother operation and longer component life.liul

Steering Clutch and Brake

Fade resistant and adjustment free. The multidisc, oilcooled steering clutches are hydraulically applied and electronically controlled. The brakes are applied by springs and hydraulically released for safe and reliable braking performance.

Drawbar Pull vs. Ground Speed

As loads on the tractor increase, the D11T offers unmatched lugging capability and smooth shifting as the need occurs to change gears under varying loads. The 3speed forward, 3speed reverse transmission offers excellent runout speeds.

Elevated Final Drives

Isolated from ground and equipment induced impact loads for extended power train life. Crownshaved drive gears provide smooth, quiet, low maintenance operation. Splash lubrication and DuoCone Seals extend service life.

Modular Power Train

The design permits quick removal and installation of major components such as the engine, transmission and final drives.

Structure

Engineered for maximum production and service life.

Mainframe Strength

The D11T and D11T CD mainframes are built to absorb high impact shock loads and twisting forces of severe dozing and ripping. The two frames share the following features

Frame Rails

Full box section design keeps components rigidly aligned.

Heavy Steel Castings

Strengthen the main case, equalizer bar saddle, front cross member and taglink trunnion.

Top and Bottom Rails

Made from continuous rolled sections to eliminate welds and machining, which provide superior mainframe durability.

Main Case

Elevates the final drives well above the ground level work area to protect them from impact loads, abrasion and contaminants. Features onepiece cast case with ripper and ROPS mounting. Oil reservoir included in onepiece cast casting.

Pivot Shaft

The pivot shaft and pinned equalizer bar maintain track roller frame alignment.

Heavy Cast Saddle

Ribbed design increases frame life.

Engine and Radiator Guard Mount

The common front engine and radiator mount feature heavy castings.

CarryDozer Frame

The CarryDozer frame is specifically designed for carrying material long distances. The taller front end accepts additional frame loads generated by the unique CarryDozer blade design.

TagLink

Reduces wear and brings the blade closer to the machine for more precise dozing and load control. The TagLink design provides solid lateral stability and better cylinder positions for constant break out force, independent of blade height.

Undercarriage

Designed for optimized machine balance and best performance.

Suspended Undercarriage Design

Absorbs impact loads to reduce the shock loads transferred to the undercarriage by up to 50.

Bogie Suspension

Providing up to 15 percent more ground contact, especially in hard, uneven terrain. Higher traction means less slippage, better balance, and a smoother ride.

Integrated Carrier Roller Mount

Fabricated into the track roller frame making it easier to add the optional carrier roller in the field.

Rollers and Idlers

Feature symmetric DuoCone seals for long sealing life to prevent oil loss and dirt entry. Toric rings maintain performance over a wide range of temperatures.

Roller Frames

Roller frames are tubular to resist bending and twisting, with added reinforcement.

Sleeve Bearing Track

A unique track link assembly that maximizes life and minimizes downtime. Designed to operate at higher speeds and greater loads.

Sprocket Segments

Five bolton replaceable rim segments of abrasion resistant tough steel for long wear life.

Track Shoes

Track shoes are available in a variety of sizes and styles to match working conditions.

Work Tools

Provide flexibility to match the machine to the job.

Bulldozers

All blades feature a strong boxsection design that resists twisting and cracking. Blades are made of Cat DH2 steel that has high tensile strength and stands up to the most severe applications. Heavy moldboard construction and hardened bolton cutting edges and end bits add strength and durability. ulli SemiUniversal Blade Built for tough applications where penetration is more important than capacity.lili HighCapacity Universal Blade Offers maximum capacity for moving big loads over long distances.lili CarryDozer Blade Carries material inside the blade curvature, rather than pushing it. This increases the effective weight of the tractor, enabling larger loads in front of the blade and enhancing operation on steeper slopes. These two effects combine to maximize productivity.lili Dual Tilt Improves load control and allows the operator to optimize blade pitch angle.lili Cutting Edges and End Bits Cutting edges are made of DH2 steel. End bits are made of DH3 steel for maximum service life.lili Abrasion Versions These versions of the SU blade and U blade extend blade life. Abrasion blades come with rock guards, wear plates and extended wear life cutting edges and end bits.lili Cat work tools offer a range of special application blades.liul

Rippers

ulli MultiShank Ripper Tailors the tractor to the material by using one, two or three shanks.lili SingleShank Ripper Operator can adjust the shank depth from the seat using an optional singleshank pin puller. Large onepiece shank is available in deep ripping configuration.liul

Hydraulic Pitch Adjustment Cylinders

Hydraulic pitch adjustment cylinders vary the shank angle to get the best penetration.

Rear Counterweights

Provide proper tractor balance to maximize dozing production. Recommended if not equipped with any other rear attachment.

Safety

Cat mining machines and systems are designed with safety first.

Product Safety

Caterpillar continues to be proactive in developing mining machines that meet or exceed safety standards. Safety is an integral part of all machine and systems designs.

ROPS and FOPS

The structure is designed to carry loads directly into the tractor main frame and protect the operator.

AccessEgress

An attachment rear walkway equipped with grab irons and steps, provides access to rear lights, rear and side windows. A hydraulically actuated access ladder is available, for easier machine access and egress.

Visibility

An attachment visibility arrangement including WAVS rear vision cameras are available.

Electrical System LockoutTagout

A disconnect switch is available to shut off all machine electrical power. Another disconnect switch shuts off the ability to engage the starter, while keeping main power available for diagnostics and troubleshooting.

Lighting

Standard HID lighting provides superior illumination around the machine for night operations. The 35 watt HID lamps provide lighting equivalent to 4 Halogen lamps, without producing significant glare. Two underhood service lamps illuminate the engine compartment for easy night service. The fender lights will stay on for a 10 minute period after key off to allow the operator to safely egress the machine at night.

SAFETY.CAT.COM

Serviceability

The most serviceable machines from the most committed dealers.

Serviceability

Minimizes maintenance and repair downtime. New sight gauges, filter locations, improved access to oil and coolant sampling ports, and an engine compartment mounted work lamp, make daily and periodic service faster and easier. Equipped with a dozer and ripper, there are only 18 lube points.

Engine Oil Filters

Engine oil filters are located on the engine for easy servicing access and minimal downtime. Further time is saved with fast fuel and quick oil change attachments.

Quick Disconnect Fittings

Allow for fast diagnosis of the power train, hydraulics and attachment oil systems.

SOSSM Analysis

Scheduled Oil Sampling made easier through live sampling ports for the engine oil, hydraulics and coolant.

Cat Product Link

Product Link allows the customer or dealerto obtain machine diagnostics and location information from their offices. It provides updates on service meter hours, machine condition and machine location, as well as integrated mappingroute planning. Builtin flexibility allows for future technology development.

Customer Support

The Cat Dealer network keeps your fleet up and running.

Machine Selection

Make 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.

Purchase

Consider the financing options available as well as daytoday 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.

Product Support

Plan for effective maintenance before buying equipment. Choose from your dealers wide range of maintenance services at the time you purchase your machine. Programs such as Custom Track Service CTS, SOS analysis, Technical Analysis and guaranteed maintenance contracts give peak life and performance to your machine.

Parts Program

You will find nearly all parts at your dealer parts counter. Cat Dealers use a worldwide computer network to find instock parts to minimize machine downtime. Ask about your Cat Dealers exchange program for major components. This can shorten repair time and lower costs.

Remanufactured Components

Genuine Cat Remanufactured parts save you money. You receive 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.

Operation

Improving operating techniques can boost your profits. Your Cat Dealer has training videotapes, literature, and other ideas to help you increase productivity.

Replacement

Repair, rebuild or replace Your Cat Dealer can help you evaluate the costs involved so you can make the right choice.

Engine
Engine Model	Cat® C32 ACERT™
Flywheel Power	850 hp
Net Power - EU 80/1269	850 hp
Bore	5.71 in
Stroke	6.4 in
Displacement	1959 in3
Gross Power ISO 14396	904 hp
Net Power SAE J1349/ ISO9249 Min Fan	897 hp
Gross Power SAE J1995	936 hp
Net Power SAE J1349/ ISO9249	850 hp
Weights
Operating Weight	230581 lb
Shipping Weight	164063 lb
Operating Weight - CD	249122 lb
Shipping Weight - CD	166350 lb
Undercarriage
Shoe Type	Extreme Service
Width of Shoe	28 in
Width of Shoe - CD	36 in
Shoes/Side	41
Grouser Height	4 in
Pitch	12.5 in
Ground Clearance	26.6 in
Track Gauge	114 in
Length of Track on Ground	14.58 ft
Ground Contact Area	9765 in2
Ground Contact Area - CD	12555 in2
Track Rollers/Side	8
Number of Carrier Rollers	1 per side (optional)
Transmission
1 Forward	2.4 mph
2 Forward	4.2 mph
3 Forward	7.3 mph
1 Reverse	2.9 mph
2 Reverse	5.1 mph
3 Reverse	8.7 mph
Type	planetary powershift
Transmission Clutch Diameter	21 in
Service Refill Capacities
Fuel Tank	425 gal
Fuel Tank - high capacity	505 gal
Cooling System	71.1 gal
Engine Crankcase	27.2 gal
Power Train	90.9 gal
Final Drives (each)	10.6 gal
Roller Frames (each)	24.8 gal
Pivot Shaft Compartment	18.8 gal
Implement Hydraulic System Tank Only	58.9 gal
Hydraulic Controls
Pump Type	Gear-type pump
Pump Output (Implement)	164 gal/min
Tilt Cylinder Flow	41 gal/min
Bulldozer Relief Valve Setting	3300 psi
Tilt Cylinder Relief Valve Setting	3525 psi
Ripper (Lift) Relief Valve Setting	3300 psi
Ripper (Pitch) Relief Valve Setting	3300 psi
CarryDozer Relief Valve Setting	3500 psi
Tilt Cylinder Flow – CD	66 gal/min
Pump Type – CD	Gear-type pump
Pump Output (Implement) – CD	177 gal/min
Ripper (Pitch) Relief Valve Setting – CD	3500 psi
Ripper (Lift) Relief Valve Setting – CD	3500 psi
Tilt Cylinder Relief Valve Setting – CD	3600 psi
Steering and Brakes
Hydraulically applied multiple-disc Steering Clutch	17.3 in
Spring applied multiple-disc Brake	24.1 in
Track Roller Frame
Oscillation	13.8 in
Blades
Capacity (SAE J1265)	57 yd3
Width (over end bits)	22 ft
Dimensions
Ground Clearance	24 in
Track Gauge	100 in
Width without Trunnions (Standard Shoe)	10.4 ft
Height (Stripped Top)	10.6 ft
Height (FOPS Cab)	13.4 ft
Height (Top of Stack)	14.9 ft
Drawbar Height (Center of Clevis)	31 in
Length of Track on Ground	152 in
Overall Length Basic Tractor	35.8 ft
Length with Single-Shank Ripper	23.3 ft
Length with Multi-Shank Ripper	23.1 ft
Overall Length (SU-Blade/SS Ripper)	30.4 ft