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Medium Dozers(Non Current)

From large to small, mining to finishing work, you are certain to find a Cat® Dozer to match your needs. We offer several configurations and special custom packages to meet your specific needs.

D7G Series 2 Track-Type Tractor

Proven Caterpillar components combined with simplified maintenance deliver the durability and reliability you need to keep material moving in tough and varied working conditions.

  • Specification Summary

  • Engine ModelCat® 3306 DITA
  • Flywheel Power150 kW
  • Operating Weight20580 kg
  • Shipping Weight15650 kg
  • Maximum Flywheel Power164 kW

Product Details


Engine Model Cat® 3306 DITA
Flywheel Power 150 kW
Maximum Flywheel Power 164 kW
Net Power – Caterpillar 150 kW
Net Power – ISO 9249 150 kW
Net Power – SAE J1349 150 kW
Net Power – EU 80/1269 150 kW
Bore 121 mm
Stroke 152 mm
Displacement 10.5 L


Operating Weight 20580 kg
Shipping Weight 15650 kg


SU-Blade Capacity 5.75 m3
S-Blade Capacity 4.2 m3
A-Blade Capacity 2.9 m3


1.0 Forward 3.9 km/h
2.0 Forward 6.4 km/h
3.0 Forward 9.9 km/h
1.0 Reverse 4.5 km/h
2.0 Reverse 7.8 km/h
3.0 Reverse 12.7 km/h


Shoe Type Moderate Service (Single Grouser)
Width of Shoe 560 mm
Width of Shoe - Optional 510 mm
Shoes/Side 38
Grouser Height 70 mm
Track on Ground 2720 mm
Ground Contact Area 3.05 m2
Ground Pressure 73 kPa

Service Refill Capacities

Fuel Tank 415 L
Cooling System 45.4 L
Engine Crankcase 27 L
Final Drives (each) 34 L
Hydraulic Tank 102 L
Transmission, bevel gear and steering clutch compartments, torque converter 70 L


Length of Track on Ground 2720 mm
Ground Clearance 349 mm
Track Gauge 1981 mm
Width without Blade 2560 mm
Height 3294 mm
Height ROPS/Canopy 3294 mm
Overall Length Basic Tractor (with Drawbar) 4.2 mm


Type Fixed Parallelogram
Number of Pockets 3
Overall Beam Width 2210 mm
Maximum Clearance Raised (under tip, pinned in bottom hole) 490 mm
Maximum Penetration 510 mm


The Cat® 3306 DITA uses direct injection to control fuel consumption and allows lower engine speeds for reduced stresses and increased life.

3306 Diesel Engine

The Caterpillar® 3306 is a six-cylinder, four stroke diesel. The large displacement allows lower engine speeds for reduced stresses and increased engine life.

Direct Injection

The 3306 maintains good productivity per unit of fuel burned by using direct injection to control fuel consumption. Optimum weight-to-horsepower ratios minimize cycle times, allow larger blade loads and shorter load times.Injector nozzels are non-clogging and adjustment free.

Aluminum Pistons

The 3306 features cam-ground three-ring cast tapered aluminum alloy pistons used to reduce friction, decrease heat build-up and provide excellent oil control. Crankcase journals are hardened and aluminum bearings are steel-backed. The high fatigue aluminum alloy-bearings surface not only has the capability to withstand heavy shock loads during crankshaft rotation, it is also soft enough to allow normal wear of the crankshaft journals.


Valves are stellite face hardned with hard alloy steel seats for hardness that contributes to long service life


The 3306 has the ability to be rebuilt to provide long life.


With a power train that is designed and built by Caterpillar, the D7G Series 2 ensures compatibility, maximum performance and reliability.

Torque Divider

The torque divider arrangement is a Caterpillar exclusive that provides high torque multiplication when under load with direct drive efficiency when completing lower engine load functions such as backfilling trenches or spreading material.

Power Shift Transmission

Three speeds forward and three speeds reverse, utilizing large diameter, high capacity, oil-cooled clutches.
  • Modulation system permits fast speed and direction changes.
  • Oil-to-water cooler for maximum cooling capacity.
  • Forced oil flow lubricates and cools clutch packs to provide maximum clutch life.


The Caterpillar undercarriage is designed for optimized machine balance and best possible performance and component life.

Roller Frames

The track roller frame is a reinforced box section construction with six lifetime lubricated track rollers per side and outside mounted carrier rollers, two per side.

Rollers and Idlers

Feature symmetric Duo-Cone seals for long sealing life to prevent oil loss and dirt entry. Toric rings maintain performance over a wide range of temperatures. Rollers and idlers are serviceable and rebuildable to provide value. Abutment-style caps securely attach rollers and idlers to the bogies. All idlers, track and carrier rollers are life-time lubricated and require no periodic maintenance intervals.

Track Shoes

Track shoes are available in sizes to match the working conditions.


Front and rear guiding guards are standard.

Sealed and Lubricated Track

Minimizes internal bushing wear with the pin by a thin film of lubricant and retained by a polyurethane seal. This extends the service life of the undercarriage as a system.

Operator Station

The operator station is designed with optimum comfort and maximum productivity in mind.

Directional Controls

Steering and transmission controls are located conveniently to the operator's left for comfortable operation.

Dozer Blade Controls

The dozer controls are located on the operator's right hand side.

Walk Through Operator Area

The operator area has a walk through design providing a comfortable operating environment with the controls within easy reach.


A comfortable suspension seat is able to be adjusted fore and aft for greater operator comfort. Arm rests also help provide comfort for all day operation. Wide 76 mm (3 in) seat belt is standard.

Monitoring System

A machine monitoring system lets you track the following machine systems:
  • Fuel level
  • Coolant temperature
  • Transmission/torque converter temperature
  • Service hour meter
  • Air cleaner service indicator
  • Engine oil pressure and alternator are monitored by a warning lamp and audible alarm system.

Brake Pedal

A single brake pedal actuates both tracks to make operation easier.

Air Conditioner

An optional air conditioner with strategic vents provide a comfortable environment in a variety of weather conditions.


The optional cab is pressurized to keep dust out. A 3 speed blower fan is standard.

Work Tools

Work Tools and Ground Engaging Tools provide the flexibility to match the machine to the job, maximizing performance.


All blades feature a strongbox-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.

Straight Blade

The straight blade can handle a wide variety of materials including heavy material. With the high kW per meter (HP/ft) of cutting edge, aggressive penetration is achieved.

Angle Blade

The angle blade can be positioned straight or angled 25 degrees to either side making this blade a versatile option.

Semi-Universal Blade

The Semi-Universal blade is built for tough applications where penetration is more important than capacity. The blade wings are designed for superior load retention and penetration in tightly packed materials and for finishing applications.

Multi-Shank Ripper

Multi-shank rippers are made to penetrate tough material fast and rip thoroughly for use in a variety of materials.

Cutting Edges and End Bits

Cutting edges are made of DH-2 steel. End bits are made of DH-3™ steel to provide maximum service life in tough materials.

Serviceability and Total Customer Support

The most serviceable machines from the most committed dealers. World-class product support. The Cat Dealer Network trained experts keep your fleet up and running, maximizing your equipment investments.


Minimizes maintenance and repair downtime. Large openings on either side of the machine make major service points easily accessible.

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.


Consider the financing options available as well as 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.

Product Support

Plan for effective maintenance before buying equipment. Choose from your dealer’s wide range of maintenance services at the time you purchase your machine. Programs such as Custom Track Service (CTS),S•O•S 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 world-wide computer network to find in-stock parts to minimize machine downtime.Ask about your Cat Dealer’s 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.


Improving operating techniques can boost your profits. Your Cat Dealer has training videotapes, literature, and other ideas to help you increase productivity.
    •  35 amp alternator
    •  Battery (2), high CCA-Heavy Duty
    •  Hour meter
    •  Horn
    •  Decelerator
    •  Guages
    •  Hand throttle
    •  Suspension seat - vinyl
    •  Seat belt
    •  Brake pedal - single
    •  Double Reduction Final Drives
    •  Cat® 3306 DITA with 24-volt starter
    •  Fuel priming pump - manual
    •  Fuel/Water seperator
    •  Air cleaner with pre-cleaner
    •  Blower fan
    •  Muffler (curved tip)
    •  Power-shift transmission (3F-3R)
  • Double Reduction Final Drives
    • Cat® 3306 DITA with 24-volt starter
      • Fuel priming pump - manual
        • Fuel/Water seperator
          • Air cleaner with pre-cleaner
            • Blower fan
              • Muffler (curved tip)
                • Power-shift transmission (3F-3R)
                  • UNDERCARRIAGE
                    •  Track End Guiding Guards
                    •  6-Roller Track Frame
                    •  560 mm (22 in) Single Grouser Sealed and Lubricated Track
                    •  Hydraulic Track Adjusters
                    •  Restrained Equalizer Bar
                    •  Segmented Sprocket
                  • OTHER STANDARD EQUIPMENT
                    •  Cranckcase Guard
                    •  Hinged Radiator Guard
                    •  415 Liter (110 Gal) Fuel Tank
                    •  Front Pull Devise and retrieval hitch
                    •  Cap Locks (Fuel, Hydraulic, Fuel Drain Cover, Seat Support)
                  • Lighting Package
                    •  Forward facing (2)
                    •  Rear facing (2)
                  • Alarm, backup
                    • Heavy duty radiator guard, punched hole
                      • Engine enclosure, normal duty
                        • Engine enclosure, heavy duty
                          • Guards
                            •  Vandal, instrument panel (for canopy)
                            •  Track guiding (center)
                            •  Full length track roller frame
                            •  Crank case, extreme service
                            •  Fuel Tank
                            •  Hydraulic Tank
                            •  Hinged, heavy-duty radiator
                          • Non-ROPS canopy
                            • Non-ROPS cab
                              • Pre-cleaner with pre-screener
                                • 610 mm (24 in) single grouser sealed and lubricated track
                                  • Angle bulldozer blade
                                    • Straight bulldozer blade with tilt cylinder
                                      • Semi-universal bulldozer blade with tilt cylinder
                                        • Hydraulics
                                          •  One valve
                                          •  Two valve
                                          •  Three valve
                                        • Multi-shank ripper
                                          • drawbar - rigid
                                            • Heater
                                              • Air Conditioning
                                                • Ether start
                                                  • Start Motor, heavy duty

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