D8T (Tier 4 Interim/Stage IIIB)

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Overview

The Cat D8T dozer has a long history of best-in-class versatility, productivity and resale value. Because it excels across a wide range of dozing tasks, customers choose D8T dozers for everything from dozing, ripping, scraper work and land clearing to rough finish grading. And with features designed for even greater comfort, productivity and fuel efficiency, today’s D8T does even more to help you meet your business objectives.

Engine

Units:
Engine Model Cat® C15 ACERT™ Cat® C15 ACERT™ Less
Flywheel Power 317.0 hp 237.0 kW Less
Bore 5.4 in 137.0 mm Less
Stroke 6.75 in 172.0 mm Less
Displacement 928.0 in3 15.2 L Less
Engine Power (Maximum) – ISO 14396 359.0 hp 268.0 kW Less
Engine Power (Maximum) – ISO 14396 (DIN) 364.0 hp 268.0 kW Less
Engine Power (Maximum) – SAE J1995 363.0 hp 271.0 kW Less
Net Power (Maximum) – ISO 9249/SAE J1349 333.0 hp 248.0 kW Less
Net Power (Maximum) – ISO 9249/SAE J1349 (DIN) 338.0 hp 248.0 kW Less
Net Power (Rated) – ISO 9249/SAE J1349 317.0 hp 237.0 kW Less
Net Power (Rated) – ISO 9249/SAE J1349 (DIN) 322.0 hp 237.0 kW Less

Weights

Operating Weight 87733.0 lb 39795.0 kg Less
Operating Weight – LGP 83324.0 lb 37795.0 kg Less
Operating Weight – Standard 87733.0 lb 39795.0 kg Less
Shipping Weight – LGP 74075.0 lb 33600.0 kg Less
Shipping Weight – Standard 67219.0 lb 30490.0 kg Less

Transmission

1 Forward 2.1 mph 3.4 km/h Less
2 Forward 3.8 mph 6.1 km/h Less
3 Forward 6.6 mph 10.6 km/h Less
1 Reverse 2.8 mph 4.5 km/h Less
2 Reverse 5.0 mph 8.0 km/h Less
3 Reverse 8.8 mph 14.2 km/h Less
1 Forward – Drawbar Pull (1000) 139.0 lbf 618.5 N Less
2 Forward – Drawbar Pull (1000) 76.0 lbf 338.2 N Less
3 Forward – Drawbar Pull (1000) 42.0 lbf 186.9 N Less

Hydraulic Controls

Pump Type Piston-type, Variable Displacement Piston-type, Variable Displacement Less
Pump Output (Steering) 73.0 gal/min 276.0 L/min Less
Pump Output (Implement) 60.0 gal/min 226.0 L/min Less
Tilt Cylinder Rod End Flow 34.0 gal/min 130.0 L/min Less
Tilt Cylinder Head End Flow 45.0 gal/min 170.0 L/min Less
Bulldozer Relief Valve Setting 3480.0 psi 24000.0 kPa Less
Tilt Cylinder Relief Valve Setting 3480.0 psi 24000.0 kPa Less
Ripper (Lift) Relief Valve Setting 3480.0 psi 24000.0 kPa Less
Ripper (Pitch) Relief Valve Setting 3480.0 psi 24000.0 kPa Less
Steering 5700.0 psi 39200.0 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) 13.0 psi 89.6 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) 7.8 psi 54.0 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 170.0 gal 643.0 L Less
Cooling System 20.3 gal 77.0 L Less
Engine Crankcase* 10.0 gal 38.0 L Less
Final Drives (each) 3.3 gal 12.5 L Less
Roller Frames (each) 17.2 gal 65.0 L Less
Pivot Shaft Compartment 10.6 gal 40.0 L Less
Hydraulic Tank 19.8 gal 75.0 L Less
Powertrain 41.0 gal 155.0 L Less

Blades

Capacity (SAE J1265) 6.1 yd3 4.7 m3 Less
Capacity (SAE J1265) 11.1 yd3 8.5 m3 Less
Digging Depth 22.7 in 577.0 mm Less
Ground Clearance 48.1 in 1222.0 mm Less
Height 5.32 ft 1622.0 mm Less
Maximum Tilt 36.0 in 914.0 mm Less
Total Operating Weight** (with Blade and Single-Shank Ripper) 83324.0 lb 37795.0 kg Less
Type 8SU LGP 8SU LGP Less
Weight* (without hydraulic controls) 11345.0 lb 5146.0 kg Less
Width (over end bits) 14.8 ft 4530.0 mm Less
Type 8SU 8SU Less
Capacity (SAE J1265) 11.4 yd3 8.7 m3 Less
Width (over end bits) 12.9 ft 3940.0 mm Less
Height 5.5 ft 1690.0 mm Less
Digging Depth 22.6 in 575.0 mm Less
Ground Clearance 48.2 in 1225.0 mm Less
Maximum Tilt 34.8 in 883.0 mm Less
Weight* (without hydraulic controls) 10557.0 lb 4789.0 kg Less
Total Operating Weight** (with Blade and Single-Shank Ripper) 87733.0 lb 39795.0 kg Less
Type 8U 8U Less
Capacity (SAE J1265) 15.3 yd3 11.7 m3 Less
Width (over end bits) 14.0 ft 4267.0 mm Less
Height 5.71 ft 1740.0 mm Less
Digging Depth 22.6 in 575.0 mm Less
Ground Clearance 48.2 in 1225.0 mm Less
Maximum Tilt 37.5 in 954.0 mm Less
Weight* (without hydraulic controls) 11800.0 lb 5352.0 kg Less
Total Operating Weight** (with Blade and Single-Shank Ripper) 88974.0 lb 40358.0 kg Less
Type 8A 8A Less
Width (over end bits) 16.3 ft 4990.0 mm Less
Height 3.85 ft 1174.0 mm Less
Digging Depth 24.7 in 628.0 mm Less
Ground Clearance 51.5 in 1308.0 mm Less
Maximum Tilt 28.7 in 729.0 mm Less
Weight* (without hydraulic controls) 12035.0 lb 5459.0 kg Less
Total Operating Weight** (with Blade and Single-Shank Ripper) 89210.0 lb 40465.0 kg Less

Rippers

Total Operating Weight* (with SU-Blade and Ripper) 89479.0 lb 40587.0 kg Less
Type Single-Shank, Adjustable Parallelogram Single-Shank, Adjustable Parallelogram Less
Number of Pockets 1 1 Less
Maximum Clearance Raised (under tip, pinned in bottom hole) 25.0 in 636.0 mm Less
Maximum Penetration (standard tip) 44.4 in 1130.0 mm Less
Maximum Penetration Force (shank vertical) 28620.0 lb 127.3 kN Less
Pry out Force 50070.0 lb 222.7 kN Less
Weight (without hydraulic controls) 9005.0 lb 4085.0 kg Less
Total Operating Weight* (with SU-Blade and Ripper) 87733.0 lb 39795.0 kg Less
Type Multi-Shank, Adjustable Parallelogram Multi-Shank, Adjustable Parallelogram Less
Number of Pockets 3 3 Less
Overall Beam Width 97.0 in 2464.0 mm Less
Maximum Clearance Raised (under tip, pinned in bottom hole) 23.35 in 593.0 mm Less
Maximum Penetration (standard tip) 30.7 in 780.0 mm Less
Maximum Penetration Force (shank vertical) 27920.0 lb 124.2 kN Less
Pry out Force (Multi-Shank Ripper with one tooth) 51230.0 lb 227.9 kN Less
Weight (one shank, without hydraulic controls) 10752.0 lb 4877.0 kg Less
Additional Shank 732.0 lb 332.0 kg Less

Winches

Winch Model PA14OVS PA14OVS Less
Weight* 3947.0 lb 1790.0 kg Less
Oil Capacity 4.0 gal 15.0 L Less
Increased Tractor Length 22.2 in 563.0 mm Less
Winch Case Width 45.6 in 1160.0 mm Less
Drum Width 12.6 in 320.0 mm Less
Flange Diameter 18.0 in 457.0 mm Less
Cable Ferrule Sizes – Length 2.76 in 70.0 mm Less
Cable Ferrule Sizes – Outside Diameter 2.36 in 60.0 mm Less
Drum Capacity – Optional Cable 193.0 ft 59.0 m Less
Drum Capacity – Recommended Cable Size 276.0 ft 84.0 m Less
Optional Cable Size 1.25 in 32.0 mm Less
Recommended Cable Size 1.13 in 29.0 mm Less
Winch Length 56.3 in 1430.0 mm Less

Standards

ROPS/FOPS Standards Standards Less
Sound Standards Standards Less
Brakes Standards Standards Less

Operator Station

Comfort and convenience


Engine

Power and reliability


Emissions Technology

Reliable, integrated solutions


Powertrain

Powerful efficiency


Implement and Steering Controls

Ergonomically designed for ease of operation


Cooling System

Durable and efficient


Undercarriage

Engineered for performance


Integrated Technologies

Monitor, manage, and enhance job site operations


Work Tools

Equipped for versatility


Structures

Engineered for maximum production and service life


Sustainability

Thinking generations ahead


Serviceability and Customer Support

When uptime counts


D8T (Tier 4 Interim/Stage IIIB) Standard Equipment

POWERTRAIN
  • C15 ACERT diesel engine with Electronic Unit Injection (EUI) with aftertreatment. Equivalent to non-current EPA/ARB Tier 4 Interim, EU Stage IIIB/Japan MLIT Step 4 emission standards.
  • 24-volt electric start
  • High performance single plane cooling system
  • Aftercooler, air-to-air (ATAAC)
  • Air filter, with electronic service indicator
  • Coolant, extended life
  • Fan, suction, hydraulically driven
  • Fuel priming pump, electric
  • Sound attenuated exhaust system
  • Parking brake, electronic
  • Precleaner, strata-tube dust ejector
  • Prescreener
  • Shift management: – Automatic directional and downshift – Controlled-throttle, load-compensated – Enhanced Autoshift
  • Starting aid, automatic ether
  • Torque divider
  • Transmission, electronically-controlled: – Powershift, 3F/3R speed
  • Four planet, double-reduction: – Planetary final drives
  • Transmission control module, electronic
  • Turbocharger
  • Water separator

UNDERCARRIAGE
  • Rollers and idlers, lifetime lubricated
  • Sprocket rim segments, replaceable
  • Suspension-type undercarriage
  • 8-roller tubular track roller frame (Carrier roller ready)
  • Track adjusters, hydraulic
  • Track guide
  • 610 mm (24 in) PPR moderate service grouser with sealed and lubricated track (44 section)
  • Two-piece master links

HYDRAULICS
  • Hydraulics, independent steering and work tool pumps
  • Hydraulics, electronically controlled, load-sensing dozer lift and tilt
  • Electronically enabled quick drop valve

STARTERS, BATTERIES, AND ALTERNATORS
  • Alternator, 150 amp
  • Batteries, heavy duty
  • Starting receptacle, auxiliary

ELECTRICAL
  • Alarm, back-up
  • Converter, 24V to 12V
  • Diagnostic connector
  • Horn, forward warning

OPERATOR ENVIRONMENT
  • ROPS mounted air conditioner
  • Armrest, adjustable
  • Advisor operator interface: – Electronic monitoring system – Diagnostic service information – Operator preferences
  • Cab, ROPS/FOPS, sound suppressed
  • Deactivation switch, hydraulic controls
  • Access/egress lighting with shutdown timer
  • Decelerator pedal
  • Governor switch, electronic
  • Heater and ventilation
  • Mirror, rearview
  • Radio-ready
  • Provision for wire passage in/out of cab
  • Interior LED courtesy lights
  • Seat, cloth, air-suspension
  • Seatbelt, retractable
  • Steering control, direction and speed control thumb switches with recall button
  • Wipers, intermittent

OTHER STANDARD EQUIPMENT
  • CD ROM Parts Book
  • Engine enclosures
  • Equalizer bar, pinned
  • Front pull device
  • Guards, bottom hinged
  • Grade control ready
  • HVAC box – corrosive resistant
  • Mounting, lift cylinders
  • Oil cooler, hydraulic
  • Product Link: – PL321 (Satellite) – PL522 (Cellular)
  • S·O·SSM sampling ports
  • Steering, electronically controlled power differential
  • Vandalism protection for fluid compartments
  • Engine compartment service light
  • Six lights package

D8T (Tier 4 Interim/Stage IIIB) Optional Equipment

POWERTRAIN
  • Reversing fan (dual or single tilt)
  • Oil change system, high speed
  • Precleaner, turbine
  • Fast fuel system
  • Service package with powertrain and engine hour meter, ecology drains
  • Thermal shield, including insulated CEM

ENGINE
  • Standard with EU sound suppression
  • Thermal shield
  • Thermal shield with EU sound suppression
  • Engine coolant – arctic (–51° C/–60° F)

RADIATOR
  • 8.5 fins/inch
  • 6.35 fins/inch high debris package

HYDRAULICS
  • Hydraulics, dual tilt
  • Hydraulics, pin puller
  • Hydraulics, ripper
  • Hydraulics, winch
  • Hydraulic implement towing arrangement
  • Hydraulic valve fan – cold weather

STARTERS, BATTERIES, AND ALTERNATORS
  • Batteries, arctic
  • Heater, engine coolant (240V)
  • Alternator, 150 amps, ducted

ELECTRICAL
  • Premium light package (3 HID, 7 halogen)
  • Sweeps light package (8 halogen)
  • Light, warning strobe

OPERATOR ENVIRONMENT
  • Visibility arrangement, single camera (EU required)
  • Enhanced dual pane glass
  • Pressurized cab
  • Seat, cloth heated/ventilated
  • Window shades

INTEGRATED TECHNOLOGY
  • AccuGrade Attachment Ready Option
  • AccuGrade (dealer installed)
  • Computer Aided Earthmoving System (CAES) (dealer installed)

UNDERCARRIAGE
  • Standard configuration
  • LGP configuration
  • Heavy duty undercarriage: – Suspended – Non-suspended
  • SystemOne undercarriage
  • Powered bottom guard (Standard or LGP)
  • Track pairs (44-section) sealed and lubricated, single grouser shoes

POSITIVE PIN RETENTION TRACK
  • PPR Track
  • PPR Track – guarded
  • PPR Track – arctic
  • Extreme Service Track – 610 mm, 660 mm, 710 mm, 965 mm (24 in, 26 in, 28 in, 38 in)
  • Moderate Service Track – 610 mm, 660 mm, 710 mm, 965 mm (24 in, 26 in, 28 in, 38 in)
  • Super Extreme Service Track – 610 mm (24 in)
  • Extreme Service Track (trapezoidal hole) – 610 mm, 660 mm, 710 mm, 965 mm (24 in, 26 in, 28 in, 38 in)
  • Super Extreme Service Track (trapezoidal hole) – 660 mm (26 in)
  • Moderate Service Track (trapezoidal hole) – 710 mm (28 in)

SYSTEMONE TRACK
  • Center tread idler
  • Conventional idler
  • Extreme Service – 610 mm, 660 mm, 710 mm (24 in, 26 in, 28 in)
  • Super Extreme Service – 610 mm, 660 mm, 710 mm (24 in, 26 in, 28 in)
  • Extreme Service (center hole) – 610 mm, 660 mm (24 in, 26 in)
  • Super Extreme Service (center hole) – 610 mm, 660 mm (24 in, 26 in)

ROLLER OPTIONS
  • Carrier rollers: – Suspended – Non-suspended
  • Seals, arctic, idler/roller
  • Rollers, arctic/pins
  • Cartridge pins, arctic

GUARDS
  • Guard, fuel tank
  • Guard, fast fuel
  • Guard, center tread idler seals
  • Guard, transmission
  • Guard, fan debris
  • Front striker bars
  • Sweeps group

OTHER ATTACHMENTS
  • Grab handles, push arm

BLADES
  • 8A Angle Blade
  • 8U Universal Blade
  • 8SU Semi-Universal Blade
  • 8SU LGP Semi-Universal Blade
  • 8SU Landfill Blade
  • 8SU LGP Landfill Blade
  • Coal Blade
  • Woodchip Blade
  • Rock and landfill guards, as well as push plates and wear plates, are available for specific applications

BULLDOZER INSTALLATION PACKAGES
  • Standard lift cylinders
  • 8A bulldozer
  • 8 SU/U dozer, single tilt
  • 8 SU/U dozer, single tilt guarded
  • 8 SU/U dozer, dual tilt guarded
  • 8 LGP dozer single tilt
  • 8 LGP dozer single tilt guarded
  • 8 LGP dozer dual tilt guarded

OTHER BULLDOZER ATTACHMENTS
  • Dual tilt arrangement
  • Black paint on back of dozer blade

REAR ATTACHMENTS
  • Drawbar, rigid
  • Rear counterweight
  • Rear counterweight, additional
  • Rear striker bars
  • Ripper single-shank
  • Ripper multi-shank
  • Ripper, single- or multi-shank with striker bar
  • Pin puller
  • Tooth, multi-shank ripper
  • Tooth, deep ripping
  • Winch – variable speed

SPECIAL ARRANGEMENTS
  • Waste Handler Arrangement
  • Stockpile Arrangement
  • ROPS Omission Arrangement

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