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D7R Series 2

Medium Dozers

Engineered for demanding work. The D7R Series II is designed to be productive in a variety of applications. It keeps material moving with the reliability and low operating costs you expect from a Cat machine.

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Engine Model Cat® 3176C
Flywheel Power 179 kW
Gross Power 192 kW
Maximum Flywheel Power 192 kW
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D7R Series 2
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FEATURES & BENEFITS

Engine

3176C Engine Features Higher efficiency turbocharger for improved airflow. Fuel/Air Ratio Control to minimize acceleration smoke.Electronic Unit Injector (EUI)The mechan... Read more

Advanced Modular Cooling System (AMOCS)

Two Pass Cooling SystemUsing a two pass system, the AMOCS radiator provides a more efficient heat exchange. The coolant is routed from a sectioned bottom tank up the fron... Read more

Drive Train

Torque DividerAn improved single-stage torque converter sends 70% of engine torque through a converter and 30% through a direct drive shaft for greater driveline efficien... Read more

Operator's Station

CabIsolation-mounted, pressurized cab reduces noise and vibration for operator comfort.DashAn informed operator is a productive operator. With a newly designed dash, the... Read more

Work Tools

DozersWith moldboard construction and hardened bolt-on cutting edges, Caterpillar bulldozer blades load easily and are durable. In tough applications, Caterpillar blades... Read more

Structure

Frame and CastingsThe D7R Series 2 frame is built to absorb high impact shock loads and twisting forces. Castings provide added strength to the main case and equalizer b... Read more

Undercarriage

Undercarriage ArrangementsStandard arrangement A general-purpose undercarriage that performs well in many applications with firm underfoot conditions. XR arrangement... Read more

Serviceability

Built-In ServiceabilityLess service time means more working time. Major components are made as modules and most can be removed without disturbing or removing others.Cooli... Read more

Total Customer Support

ServicesYour Cat Dealer offers a wide range of services that can be set up under a customer support agreement when you purchase your equipment. The dealer will help you c... Read more

SPECIFICATIONS FOR D7R Series 2

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Engine
Engine Model Cat® 3176C
Flywheel Power 179 kW
Gross Power 192 kW
Maximum Flywheel Power 192 kW
Net Power - Caterpillar 179 kW
Net Power - ISO 9249 179 kW
Net Power - SAE J1349 177 kW
Net Power - EU 80/1269 179 kW
Net Power - DIN 70020 248 PS
Bore 125 mm
Stroke 140 mm
Displacement 10.3 l
Gross Power - ISO 14396 189 kW
Transmission
1.0 Forward 3.52 km/h
2.0 Forward 6.1 km/h
3.0 Forward 10.54 km/h
1.0 Reverse 4.54 km/h
2.0 Reverse 7.85 km/h
3.0 Reverse 13.58 km/h
Service Refill Capacities
Fuel Tank 479 l
Cooling System 77.4 l
Engine Crankcase 31 l
Power Train 178 l
Final Drive - Each 13 l
Roller Frames - Each 24.6 l
Pivot Shaft Compartment 1.9 l
Attachment Hydraulic System Tank Only 54 l
Weights
Operating Weight 25304 kg
Shipping Weight 20630 kg
Operating Weight - XR 25880 kg
Shipping Weight - XR 21206 kg
Operating Weight - LGP 27443 kg
Shipping Weight - LGP 22722 kg
Dimensions
Length - Track on Ground 2878 mm
Drawbar Height (Center of Clevis) from Ground Face of Shoes 634 mm
Ground Clearance 416 mm
Track Gauge 1981 mm
Width - Without Blade 2869 mm
Width - With Blade 2869 mm
Height 3353 mm
Height - ROPS/Canopy 3372 mm
Overall Length - Basic Tractor - With Drawbar 4.736 mm
Undercarriage
Shoe Type Extreme Service
Width - Shoe 560 mm
Width - Shoe - Optional 609.6 mm
Width - Shoe - LGP 914.4 mm
Shoes/Side 40
Shoes/Side - LGP 43
Grouser Height 71 mm
Pitch 216 mm
Ground Clearance 416 mm
Track Gauge 1981 mm
Track Gauge - LGP 2235 mm
Track on Ground 2878 mm
Track on Ground - LGP 3167 mm
Ground Contact Area 3.22 m²
Ground Contact Area - LGP 5.79 m²
Ground Pressure 75 kPa
Ground Pressure - LGP 45.5 kPa
Track Rollers/Side 7
Track Rollers/Side - LGP 7
Carrier Rollers/Side 1
Hydraulic Controls - Pump
Pump Capacity 7000 kPa
RPM at Rated Engine Speed 2231 r/min
Pump Output - Differential Steering 295 l/min
Lift Cylinder Flow 180 l/min
Tilt Cylinder Flow 80 l/min
Ripper Cylinder Flow 180 l/min
Hydraulic Controls - Main Relief Valve
Pressure Setting - Differential Steering Models 42000 kPa
Hydraulic Controls - Maximum Operating Pressure
Steering 38000 kPa
Ripper - Pitch 22750 kPa
Tilt Cylinder 17225 kPa
Ripper - Lift 22750 kPa
Bulldozer 22800 kPa
Blades
U-Blade Capacity 8.34 m³
U-Blade Width 3988 mm
SU - Blade Capacity 6.86 m³
SU - Blade Width 3693 mm
S-Blade Capacity 5.16 m³
S-Blade Width 3904 mm
A-Blade Capacity 3.89 m³
A-Blade Width 4503 mm
LGP S-Blade Capacity 5.89 m³
LGP S-Blade Width 4545 mm
Ripper
Maximum Clearance Raised - Under Tip, Pinned in Bottom Hole 757 mm
Pry-Out Force 17138 kg
Maximum Penetration Force 8664 kg
Weight - With One Shank 3307 kg
Type Adjustable Parallelogram
Number of Pockets 3
Overall Beam Width 2210 mm
Beam Cross Section 343 x 279 mm 13.5 x 11 in
Maximum Penetration 748 mm
Weight - Each Additional Shank 150 kg
Winch
Winch Model PA110VS Variable Speed
Weight* 1894 kg
Oil Capacity 15.1 l
Winch and Bracket Length 1461 mm
Winch Case - Width 1171 mm
Increased Tractor Length - STD 742 mm
Increased Tractor Length - XR 587 mm
Increased Tractor Length - LGP 742 mm
Drum Diameter 318 mm
Drum Width 337 mm
Flange Diameter 610 mm
Drum Capacity - 24 mm (1 in) 127.4 m
Drum Capacity - 29 mm (1.13 in) 584 m
Drum Capacity - 32 mm (1.25 in) 409 m
Ferrule Size (O.D. × Length) 2.38 in x 2.56 in / 60 mm x 65 mm

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Net Power - 2,200 rpm - ISO 9249 97 kW
Net Power - 2,200 rpm - SAE J1349 95 kW
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Flywheel Power 171 kW
Maximum Flywheel Power 184 kW
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Flywheel Power 123 kW
Displacement 10.5 l
Flywheel Power - Power Shift 123 kW
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Flywheel Power - Power Shift 130 kW
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Flywheel Power 175 kW
Bore 115 mm
Stroke 149 mm
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Engine Model Cat C7.1
Power - Net 127 kW
Emissions Brazil MAR-1 and UN ECE R96 Stage IIIA emission standards, equivalent to U.S. EPA Tier 3/EU Stage IIIA
Net Power - Rated - ISO 9249/SAE J1349 127 kW
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Flywheel Power 171 kW
Maximum Flywheel Power 184 kW
Displacement 10.5 l
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Power - Net 127 kW
Net Power - Rated - ISO 9249/SAE J1349 127 kW
Net Power (Rated) - ISO 9249 (DIN) 172 mhp
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