D8R (3406C)

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Overview

Caterpillar has been designing and building dozers for more than a century. The latest D8R builds on a long-standing reputation for reliable performance, and adds a new cab with features to help operators be more productive. The Cat D8R is designed to be durable, especially in challenging conditions like extreme heat and cold, sandy deserts and rocky terrain. It offers renowned versatility and productivity, along with ease of repair and service to keep the machine hard at work on your job site.

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
Note Cat 3406C DITA engine is capable of meeting the equivalent of non-current U.S. EPA Tier 1 or EU Stage I emission standards. Cat 3406C DITA engine is capable of meeting the equivalent of non-current U.S. EPA Tier 1 or EU Stage I emission standards. Less

Weights

Operating Weight 82800.0 lb 37557.0 kg Less
Operating Weight – Standard (SU) 82800.0 lb 37557.0 kg Less
Operating Weight – Standard (U) 84200.0 lb 38192.0 kg Less
Operating Weight – LGP (SU) 78400.0 lb 35562.0 kg Less
Operating Weight – A 84600.0 lb 38374.0 kg Less
Shipping Weight – Standard 62200.0 lb 28213.0 kg Less
Shipping Weight – LGP 64600.0 lb 29302.0 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
Ground Pressure (ISO 16754): Standard – SU 12.3 psi 84.7 kPa Less
Ground Pressure (ISO 16754): Standard – U 12.5 psi 86.2 kPa Less
Ground Pressure (ISO 16754): Standard – A 12.6 psi 86.6 kPa 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) 7.4 psi 50.7 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

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

Standards

ROPS Integrated ROPS (Rollover Protective Structure) offered by Caterpillar for the machine meets ROPS criteria ISO 3471:2008 Integrated ROPS (Rollover Protective Structure) offered by Caterpillar for the machine meets ROPS criteria ISO 3471:2008 Less
Cab Meets the appropriate standards Meets the appropriate standards Less
FOPS FOPS (Falling Object Protective Structure) meets ISO 3449:2005 Level II FOPS (Falling Object Protective Structure) meets ISO 3449:2005 Level II Less
Brakes Brakes meet the standard ISO 10265:2008 Brakes meet the standard ISO 10265:2008 Less

Operator Environment

Comfort and productivity


Power and Performance

Built to get the job done


Equipped for the Job

Tough from the inside out


Serviceability and Customer Support

When uptime counts


Special Arrangements

Purpose-built for performance


D8R (3406C) Standard Equipment

ELECTRICAL
  • 75 amp alternator
  • Back-up alarm
  • Forward warning horn

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

POWER TRAIN
  • Decelerator
  • Engine doors
  • Fuel priming pump
  • Muffler
  • Prescreener
  • Torque divider
  • Powershift transmission (3-speed)

UNDERCARRIAGE
  • 8-roller tubular track roller frame
  • Hydraulic track adjusters
  • Track guides

OTHER STANDARD EQUIPMENT
  • Differential steering with dual-twist tiller control
  • Independent steering and implement
  • Hydraulic oil cooler
  • Hydraulic valve – for blade and ripper
  • Mounting, lift cylinder
  • Blade lift cylinder – left hand
  • Blade lift cylinder – right hand

D8R (3406C) Optional Equipment

TRACTOR ARRANGEMENTS
  • Standard
  • LGP
  • Desert Arrangement
  • Waste Handler Arrangement

TECHNOLOGY PRODUCTS
  • Product Link – PL321
  • Product Link – PL522

POWER TRAIN
  • Engine with thermal shield
  • High speed oil change

STARTING AIDS
  • Ether aid
  • Heater, diesel fuel
  • Heather, engine 240V
  • System, prelube

AIR PRECLEANER
  • Precleaner: – Standard – Turbine – Turbine with screen

ENGINE COOLER
  • Radiator: – AMOCS – AMOCS, high ambient and abrasion resistant – AMOCS, debris resistant – Debris and abrasion resistant

FAN SPEED RATIO
  • Fan drive: – Standard – Speed increase (high ambient) – Speed decrease

OPERATOR STATION
  • Integrated ROPS open canopy
  • Integrated ROPS enclosed cab
  • Vinyl or cloth covered suspension seats
  • Rear screen guards

GUARDS
  • Fuel tank
  • Heavy-duty radiator
  • Sweeps

ELECTRICAL
  • Lighting options of 4, 6, 8 or 10

REAR ATTACHMENTS
  • Drawbar
  • Counterweight
  • Rippers: – Multi-shank – Single shank

BULLDOZER
  • Semi-Universal blade
  • Universal blade
  • Angle blade

COOLING FAN
  • Fan, blower: – Standard – Coated – Ejector – Reversible

FUEL REFILL SYSTEM
  • Cover, fuel tank
  • Adapter, fast fuel

FINAL DRIVE
  • Standard
  • Standard, guarded
  • LGP
  • LGP, guarded
  • Standard, arctic

UNDERCARRIAGE
  • Basic, suspended
  • Positive pin retention: – Guarded – Arctic – Non-suspended
  • Non-suspended, guarded

CARRIER ROLLER
  • No carrier roller, suspended
  • Carrier roller, suspended
  • Carrier rollers: – Suspended, arctic – Non-suspended – Non-suspended, arctic

POSITIVE PIN RETENTION TRACK
  • Track pairs: – Extreme service (44 sections) (560 mm/22 in; 560 mm/22 in, trapezoidal; 560 mm/22, steel mill; 610 mm/24 in; 610 mm/24 in, trapezoidal; 610 mm/24 in, chopping; 660 mm/16 in; 660 mm/26 in, trapezoidal; 710 mm/28 in; 710 mm/28 in, trapezoidal; 965 mm/38 in, trapezoidal; 965 mm/38 in) – Moderate service (44 sections) (610 mm/24 in; 660 mm/26 in; 710 mm/28 in; 710 mm/28 in; 965 mm/38 in) – Super extreme service (610 mm/24 in; 660 mm/26 in, trapezoidal)

HYDRAULICS
  • Bulldozer tilt hydraulics: – Hydraulic, single tilt – Hydraulic, dual tilt
  • Lubricant: – Standard – High ambient – Arctic

ELECTRICAL
  • Batteries: – Standard – Heavy duty
  • Lights: – Four – Six – Ten – Eight (sweeps) – Eight (sweeps and rear screen) – Ten (ROPS A/C)

OPERATOR ENVIRONMENT
  • Operator station: – Canopy – Cab (Standard; Arctic)
  • Air conditioner: – No air conditioner – Air conditioner (Under hood; ROPS mounted)
  • Seat: – Vinyl – Cloth – Cloth, air suspension

GUARDS
  • Guards: – Bottom, heavy duty – Bottom, heavy duty, sealed
  • Grid, radiator core protector
  • Screen group: – Rear – Rear (canopy)
  • Guard: – Fuel tank – Rear transmission
  • Striker bars: – Front (suspended) – Front (non-suspended)

REAR ATTACHMENTS
  • Drawbar, rear, rigid
  • Ripper: – Single shank – Single shank, pin puller – Single shank, push block – Multi-shank
  • Counterweight, rear
  • Ripper single shank with striker bar
  • Ripper single shank pin and striker bar
  • Ripper multi shank with striker bars
  • Ripper single shank with push block and pin puller
  • Striker bar, rear
  • No rear attachment

OTHER ATTACHMENTS
  • Counterweight: – Drawbar – Additional
  • Fast oil change system
  • Paint, black hood and cylinders

PUSH ARMS
  • Bulldozer: – Push arm, single – Push arm, dual tilt

BLADES
  • 8SU: – 8SU, with rock guard and wear plate – 8SU push plate – 8SU landfill wear plate – 8SU LGP – 8SU LGP landfill
  • 8U: – 8U rock guard/wear plate – 8U landfill wear plate
  • 8A

GROUND ENGAGING TOOLS
  • Tooth: – Multi-shank – Single shank – Single shank, deep ripping