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Strength from the past. Power for the future.™ The D8T combines power and efficiency with advanced technology for outstanding production at a lower cost-per-yard.


Engine Model Cat® C15 ACERT™ Cat® C15 ACERT™ Less
Flywheel Power 310.0 hp 231.0 kW Less
Gross Power 347.0 hp 259.0 kW Less
Net Power - Caterpillar 310.0 hp 231.0 kW Less
Net Power - ISO 9249 310.0 hp 231.0 kW Less
Net Power - SAE J1349 307.0 hp 229.0 kW Less
Net Power - EU 80/1269 310.0 hp 231.0 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
Gross Power - ISO 14396 333.0 hp 248.0 kW Less
Net Power - DIN 70020 322 PS 322 PS Less


Operating Weight 84850.0 lb 38488.0 kg Less
Shipping Weight 65152.0 lb 29553.0 kg Less


Ground Clearance 24.3 in 618.0 mm Less
Track Gauge 82.0 in 2.08 m Less
Width without Trunnions (Standard Shoe) 8.7 ft 2642.0 mm Less
Height (FOPS Cab) 11.34 ft 3456.0 mm Less
Height (Top of Stack) 11.3 ft 3448.0 mm Less
Drawbar Height (Center of Clevis) 27.87 in 708.0 mm Less
Length of Track on Ground 126.26 in 3207.0 mm Less
Overall Length Basic Tractor 15.2 ft 4641.0 mm Less
Length Basic Tractor with Winch 17.3 ft 5275.0 mm Less
Length with Single-Shank Ripper 21.0 ft 6422.0 mm Less
Length with Multi-Shank Ripper 20.8 ft 6344.0 mm Less
Overall Length (SU-Blade/SS Ripper) 25.8 ft 7872.0 mm Less


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 3500.0 psi 24100.0 kPa Less
Tilt Cylinder Relief Valve Setting 3500.0 psi 24100.0 kPa Less
Ripper (Lift) Relief Valve Setting 3500.0 psi 24100.0 kPa Less
Ripper (Pitch) Relief Valve Setting 3500.0 psi 24100.0 kPa Less
Steering 5700.0 psi 39200.0 kPa Less


Shoe Type Moderate Service Moderate Service Less
Width of Shoe 22.0 in 560.0 mm Less
Shoes/Side 44 44 Less
Grouser Height 3.0 in 78.0 mm Less
Pitch 8.5 in 216.0 mm Less
Ground Clearance 24.3 in 618.0 mm Less
Track Gauge 82.0 in 2082.0 mm Less
Length of Track on Ground 10.5 ft 3207.0 mm Less
Ground Contact Area 5554.0 in2 3.58 m2 Less
Track Rollers/Side 8 8 Less
Number of Carrier Rollers 1 per side (optional) 1 per side (optional) 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
Power Train 41.0 gal 155.0 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
Variable Fan Hub 0.82 gal 3.1 L 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) 84850.0 lb 38488.0 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) 86093.0 lb 39051.0 kg Less
Type 8A 8A Less
Capacity 6.1 yd3 4.7 m3 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) 86328.0 lb 39158.0 kg Less


Type Single-Shank, Adjustable Parallelogram Single-Shank, Adjustable Parallelogram Less
Added Length 5.55 ft 1692.0 mm 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) 84850.0 lb 38488.0 kg Less
Type Multi-Shank, Adjustable Parallelogram Multi-Shank, Adjustable Parallelogram Less
Number of Pockets 3 3 Less
Added Length 5.24 ft 1598.0 mm 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
Total Operating Weight** (with SU-Blade and Ripper) 86597.0 lb 39280.0 kg Less


Winch Model PA140VS PA140VS 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

C15 Engine with ACERT® Technology

A combination of innovations working at the point of combustion, ACERT Technology optimizes engine performance while meeting EPA Tier 3 and EU Stage IIIa engine exhaust emission regulations for off-road applications.

Operator Station

Designed for operator comfort, convenience, and productivity, the state-of-the-art cab sets a new standard.

Implement and Steering Controls

Low effort control functions significantly reduce operator fatigue for increased performance.

Drive Train

The drive train provides maximum efficiency in combination with the C15 engine with ACERT Technology.


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


Engineered to provide durability and the solid support necessary for maximum production and service life in the most demanding work.

Integrated Electronic Solutions

Caterpillar technology offers customers new opportunities for efficiency and profitability.

Work Tools

Work Tools and Ground Engaging Tools (G.E.T.) provide the flexibility to match the machine to the job, maximizing performance.

Serviceability and 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. Caterpillar. The difference counts.™

D8T Standard Equipment

  • Alternator, 100-amp brushless
  • Back-up Alarm
  • Batteries (4) maintenance free 12-volt, 24-volt system
  • Converter, 12-volt, 10-amp, two power outlets
  • Diagnostic connector
  • Horn, forward warning
  • Starting receptacle

  • Advisor operator interface:
  • Armrests, adjustable
  • Cab, ROPS, FOPS, sound suppressed
  • Controls, electronic implement with lockout
  • Decelerator pedal
  • Dual-twist tiller control
  • Engine speed control, electronic
  • Heater
  • Hydraulic system, electronically controlled
  • Mirror, rearview
  • Radio-ready cab
  • Seat, adjustable contour suspension
  • Seatbelt, retractable 76 mm (3 in)
  • Steering control, twist tiller with touch shift
  • Wipers, intermittent

  • 560 mm (22 in) moderate service grouser
  • Rollers and idlers, lifetime lubricated
  • Sprocket rim segments, replaceable
  • Suspension-type undercarriage,
  • Track adjusters, hydraulic
  • Track guides
  • Two-piece master link

  • C15 with ACERT Technology
  • Advanced Modular Cooling System (AMOCS)
  • Aftercooler, air-to-air (ATAAC)
  • Air filter with electronic service indicator
  • Auto-kickdown (auto downshift)
  • Automatic shift
  • Coolant, extended life
  • Directional shift management
  • Ether starting aid, automatic
  • Fan, suction with hydraulic demand drive
  • Four planet, double-reduction planetary final drives
  • Fuel priming pump, electric
  • Muffler with rain cap
  • Parking brake, electronic
  • Pre-cleaner with dust ejector
  • Prescreener
  • Separator, water/fuel
  • Thermal shields
  • Torque divider
  • Transmission, electronic control, (3F/3R speeds)
  • Turbocharger, wastegate
  • Water separator

  • Air conditioner box, corrosive resistant
  • Auto-blade assist and AutoCarry ready
  • CD ROM Parts Book
  • Ecology drains: engine oil, coolant,
  • Engine enclosures and hood, perforated
  • Equalizer bar, pinned
  • Front pull device
  • Guards:
  • Independent steering and attachment
  • Oil cooler, hydraulic
  • Product Link ready
  • S•O•SSM sampling ports
  • Toolbox
  • Under-hood standard service lamp
  • Vandalism protection (8 caplocks)

D8T Optional Equipment

  • Alternator, 150-amp
  • Converter, 24 volt to 12 volt
  • Light, ripper
  • Lights, supplemental:
  • Switch, disconnect, remote mounted
  • WAVS single rear vision camera
  • AccuGrade ARO

  • Fan, debris
  • Final drive and seals
  • Fuel tank
  • Idler seals
  • Pivot shaft seal
  • Radiator, heavy-duty, hinged
  • Rear tractor
  • Screen, rear
  • Sweeps
  • Track roller
  • Transmission
  • Undercarriage

  • Non-suspended
  • Tracks, Pair, Sealed and Lubricated (Standard arrangement):
  • Tracks, Pair, Sealed and Lubricated (LGP arrangement):
  • Roller options:

  • Fan, reversible
  • Fuel system, fast fill
  • Pre-cleaner, turbine
  • Prelube, engine, automatic
  • Quick oil change system
  • Radiator, high ambient

  • Air conditioner
  • Air conditioner, fender mounted
  • Air conditioner, ROPS mounted
  • Canopy
  • Enhanced cab
  • Glass, Ultra-strength up to 40 psi
  • Operators Arrangement
  • Seat, air suspension
  • Seat, vinyl

  • Hydraulic implement towing arrangement, Low Ground Pressure arrangement, Waste Handling arrangement and Woodchip arrangement, in addition to other optional attachments are available from the factory. Contact your Dealer for availability.

  • AccuGrade GPS attachment ready installation
  • AutoCarry system
  • Dual tilt cylinders
  • 8SU Blade, with rock guard and wear plate
  • 8SU Blade, with push plate
  • 8U Blade, with rock guard
  • Trunnion cover, (replaces trunnions)

  • Single-Shank* - Standard depth
  • Single-shank* - Deep ripping
  • Multi-Shank* (includes one tooth)
  • Ripper attachments:

  • Counterweights*:
  • Drawbar, rigid
  • Parts book, paper
  • Starting aids:
  • Striker bars, front and rear
  • Winch*
  • * A rear attachment and/or counterweight is recommended for improved performance and balance.

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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Mining Financial Services

Cat Financial is the single best resource for all your international mining finance needs, with capabilities to offer everything from leasing and general financing to project and structured financing.

See our Offers