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Overview

Caterpillar has been the world leader in Track-Type Tractors for more than a century. The D8R combines legendary Cat durability and reliability with proven technology designed to improve your productivity and your bottom line. From rugged structures to fully integrated engine and power train systems, the D8R is a world-class tractor built to help you produce the highest quality work in a variety of applications.

Engine

Units:
Engine Model Cat® 3406C DITA Cat® 3406C DITA Less
Flywheel Power 303.0 hp 226.0 kW Less
Bore 5.4 in 137.0 mm Less
Stroke 6.5 in 165.0 mm Less
Displacement 893.0 in3 14.6 L Less
Engine Power (Maximum) - ISO 14396 331.0 hp 247.0 kW Less
Engine Power (Maximum) - ISO 14396 (DIN) 335.0 hp 247.0 kW Less
Engine Power (Maximum) - SAE J1995 338.0 hp 252.0 kW Less
Net Power (Maximum) - 80/1269/EEC 320.0 hp 239.0 kW Less
Net Power (Maximum) - ISO 9249/SAE J1349 320.0 hp 239.0 kW Less
Net Power (Maximum) - ISO 9249/SAE J1349 (DIN) 325.0 hp 239.0 kW Less
Net Power (Rated at 2,100 rpm) - 80/1269/EEC 303.0 hp 226.0 kW Less
Net Power (Rated at 2,100 rpm) - ISO 9249/SAE J1349 303.0 hp 226.0 kW Less
Net Power (Rated at 2,100 rpm) - ISO 9249/SAE J1349 (DIN) 307.0 hp 226.0 kW Less

Weights

Operating Weight 83600.0 lb 37920.0 kg Less
Operating Weight - LGP 77550.0 lb 35176.0 kg Less
Operating Weight - Standard 83600.0 lb 37920.0 kg Less
Shipping Weight - LGP 64500.0 lb 29257.0 kg Less
Shipping Weight - Standard 62534.0 lb 28365.0 kg Less

Transmission

1.0 Forward 2.2 mph 3.5 km/h Less
1.0 Reverse 2.9 mph 4.7 km/h Less
2.0 Forward 3.9 mph 6.2 km/h Less
2.0 Reverse 5.0 mph 8.1 km/h Less
3.0 Forward 6.7 mph 10.8 km/h Less
3.0 Reverse 8.6 mph 13.9 km/h Less

Hydraulic Controls

Lift Cylinder Flow 85.9 gal/min 325.0 L/min Less
Tilt Cylinder Flow 44.9 gal/min 170.0 L/min Less
Pump Capacity at 1015.0 psi 7000.0 kPa Less
Pump Output 63.1 gal/min 239.0 L/min Less
Pump Type - Implements Variable Displacement Piston Variable Displacement Piston Less
RPM at Rated Engine Speed 2100.0 RPM 2100.0 RPM Less
Ripper Cylinder Flow 50.2 gal/min 190.0 L/min Less

Hydraulic Controls - Main Relief Valve

Pressure Setting 3500.0 psi 24100.0 kPa Less

Hydraulic Controls - Maximum Operating Pressure

Bulldozer, Lift 3500.0 psi 24100.0 kPa Less
Bulldozer, Tilt 3500.0 psi 24100.0 kPa Less
Ripper, Lift 3500.0 psi 24100.0 kPa Less
Ripper, Tilt 3500.0 psi 24100.0 kPa Less
Steering 5511.0 psi 38000.0 kPa Less

Undercarriage - Standard

Ground Clearance 24.1 in 613.0 mm Less
Ground Contact Area 6060.0 in2 3.91 m2 Less
Ground Pressure (ISO 16754) 13.8 psi 95.1 kPa Less
Grouser Height 3.1 in 78.0 mm Less
Length of Track on Ground 126.0 in 3206.0 mm Less
Pitch 8.5 in 216.0 mm Less
Shoe Type Moderate Service Moderate Service Less
Shoes/Side 44 44 Less
Track Gauge 82.0 in 2083.0 mm Less
Track Rollers per Side 8 8 Less
Width of Shoe 24.0 in 610.0 mm Less

Undercarriage - LGP

Ground Clearance 24.1 in 613.0 mm Less
Ground Contact Area 9593.0 in2 6.19 m2 Less
Ground Pressure (ISO 16754) 8.1 psi 55.8 kPa Less
Grouser Height 3.1 in 78.0 mm Less
Length of Track on Ground 126.0 in 3206.0 mm Less
Pitch 8.5 in 216.0 mm Less
Shoe Type Moderate Service Moderate Service Less
Shoes/Side 44 44 Less
Track Gauge 92.0 in 2337.0 mm Less
Track Rollers per Side 8 8 Less
Width of Shoe 38.0 in 965.0 mm Less

Service Refill Capacities

Fuel Tank 165.0 gal 625.0 L Less
Cooling System 24.3 gal 92.0 L Less
Power Train 38.0 gal 144.0 L Less
Final Drives (each) 3.6 gal 13.5 L Less
Engine Crankcase 8.6 gal 32.5 L Less
Hydraulic Tank 19.0 gal 72.0 L Less
Pivot Shaft 2.6 gal 40.0 L Less

Blades

A - Blade Capacity 6.15 yd3 4.7 m3 Less
A - Blade Width 196.0 in 4978.0 mm Less
SU LGP - Blade Capacity 11.12 yd3 8.5 m3 Less
SU LGP - Blade Width 173.2 in 4400.0 mm Less
SU - Blade Capacity 11.38 yd3 8.7 m3 Less
SU - Blade Width 155.0 in 3937.0 mm Less
U - Blade Capacity 15.3 yd3 11.7 m3 Less
U - Blade Width 167.8 in 4262.0 mm Less

Ripper

Maximum Penetration 30.7 in 780.0 mm Less
Maximum Penetration 44.7 in 1135.0 mm Less
Maximum Penetration Force 28641.0 lb 127.4 kN Less
Maximum Penetration Force 27971.0 lb 124.2 kN Less
Number of Pockets 3 3 Less
Number of Pockets 1 1 Less
Overall Beam Width 97.0 in 2464.0 mm Less
Pryout Force 50087.0 lb 222.8 kN Less
Pryout Force 51234.0 lb 227.9 kN Less
Type Adjustable Parallelogram Single-Shank Adjustable Parallelogram Single-Shank Less
Type Adjustable Parallelogram Multi-Shank Adjustable Parallelogram Multi-Shank Less
Weight with Standard Single Shank 9006.0 lb 4085.0 kg Less
Weight with Three Shanks 10572.0 lb 4877.0 kg Less

Standards

ROPS/FOPS Standards Standards Less
Cab Meets the appropriate standards as listed in Footnotes Meets the appropriate standards as listed in Footnotes Less
Brakes Brakes meet the standard SAE J/ISO 10265:2008 Brakes meet the standard SAE J/ISO 10265:2008 Less

Cab and Controls

Productivity, safety, comfort


Engine

Power and reliability


Power Train

Powerful efficiency


Structures

Rugged design for maximum service


Undercarriage

Proven productivity


Work Tools

Equipped for the job


Serviceability

Stay up and running


Total Customer Support

Renowned dealer support


D8R Standard Equipment

ELECTRICAL
  • 75 amp alternator
  • Back-up alarm
  • Forward warning horn
  • Starting receptacle
  • Four maintenance free 12V batteries (24V system)
  • Halogen lighting system (two forward, two rearward)

OPERATOR ENVIRONMENT
  • ROPS/FOPS canopy
  • EMS (Electronic Monitoring System) with temperature gauges
  • Fuel level gauge
  • Cloth suspension seat
  • Retractable seat belt (76 mm/3 in)
  • Rearview mirror

POWER TRAIN
  • Cat 3406 Diesel DITA engine with 24 volt electric starting
  • Blower fan
  • Decelerator
  • Engine doors
  • Fuel priming pump
  • Muffler
  • Advanced Modular Cooling System
  • Extended life coolant
  • Precleaner with dust ejector
  • Prescreener
  • Torque divider
  • Powershift transmission (3 speed)
  • Four planet double reduction planetary final drives
  • Differential steering with dual-twist tiller control

UNDERCARRIAGE
  • Suspension-type undercarriage
  • Eight-roller tubular track roller frame
  • Hydraulic track adjusters
  • Track guides
  • 610 mm (24 in) PPR Moderate Service (MS) grouser with sealed and lubricated track (44 section)

OTHER STANDARD EQUIPMENT
  • Independent steering and implement hydraulic pumps
  • Hydraulic oil cooler
  • Three valve hydraulic system for bulldozer and ripper control
  • Hinged radiator and fanblast deflector guards
  • Hinged bottom guards with front towing device
  • Lift cylinders (with two forward lights)

A Commitment to the Mining Industry

As the demand for commodities grows, mining companies need a partner to support them in their efforts. Caterpillar is committed to being that partner.

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