Cat Dozers:

D4 Track-Type Tractor

Engine Model
Cat C4.4
4.26 yd³
U.S. EPA Tier 4 Final/EU Stage IV/Japan 2014/Korea Tier 4 Final
Net Power (Rated) - ISO 9249
130 HP

The D4 dozer (formerly D6K2) is smart and efficient. It comes equipped with GRADE technologies like Slope Assist and GRADE with 3D to make it easier for even less experienced operators to get more quality work done in less time. But intelligence is only part of the package – Eco Modes and a new power train deliver up to 17 percent more fuel efficiency, while providing superior maneuverability, faster steering response and greater capability to utilize full blade loads. This dozer also retains its optimal balance and undercarriage design for outstanding performance in finish grading applications.

Product Specs

  • Engine

  • Engine Model
    Cat C4.4
    U.S. EPA Tier 4 Final/EU Stage IV/Japan 2014/Korea Tier 4 Final
    Net Power (Rated) - ISO 9249
    Net Power (Rated) - ISO 9249 (DIN)
    Note (1)
    Engine ratings at 2,200 rpm
    Note (2)
    Diesel Exhaust Fluid (DEF) used in Cat Selective Catalytic Reduction (SCR) systems must meet the requirements outlined in the International Organization for Standardization (ISO) standard 22241.
    Note (3)
    All non road Tier 4 Interim and Final, Stage IIIB and IV, Japan 2014 (Tier 4 Final) and Korea Tier 4 Final diesel engines are required to use only Ultra Low Sulfur Diesel (ULSD) fuels containing 15 ppm EPA/10 ppm EU (mg/kg) sulfur or less. Biodiesel blend
  • Blades - Capacity

  • VPAT
  • Service Refill Capacities

  • Fuel Tank
    69gal (US)
    DEF Tank
    5gal (US)
  • Weights

  • Operating Weight
  • Blades

  • Blade Type
    VPAT, VPAT Foldable*
    *VPAT foldable blades have the same capacity and width as the XL/LGP VPAT blades.
  • Blades - Width

  • Air Conditioning System

  • Air Conditioning
    The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.3 kg of refrigerant which has a CO2 equivalent of 1.859 metric tonnes.


  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Power Train
    • Cat C4.4 diesel engine turbocharged
    • Tier 4 Final/Stage IV/Japan 2014/Korea Tier 4 Final Certified Engine with Aftertreatment
    • Aftercooler, Air to Air (ATAAC)
    • Glowplug starting aid
    • 3000 meter altitude operation capability without derating
    • Hydraulically driven, variable speed fan
    • Aluminum bar plate cooling system (radiator, power train, aftercooler)
    • Air cleaner with integrated precleaner, dust ejector and under hood air intake
    • Dual path, electronic control, closed-loop hydrostatic transmission
    • Electric fuel priming pump
    • Fuel/water separator
    • Automatic Traction Control
    • Programmable/selectable bi-directional speed control
    • Engine Idle Shutdown
    • Auto Engine Speed Control
  • Technology Products
    • Cat GRADE with Slope Assist
    • Cat Stable Blade
    • Cat Slope Indicate
    • Product Link ready cellular or satellite (Product Link licensing not available in all areas. Please consult your Cat dealer for details.)
  • Undercarriage
    • Cat Abrasion or Heavy Duty undercarriage
    • Center tread, sprocketed idler with Cat Abrasion, standard idler with HD
    • Lifetime lubricated track rollers (8) and idlers
    • Carrier rollers (2)
    • Hydraulic track adjusters
    • Guards, front/rear guiding
    • Replaceable sprocket rim segments
  • Hydraulics
    • Three valve hydraulics
    • Load sensing hydraulics
  • Electrical
    • Horn
    • Back-up alarm
    • 12V converter, 10A
    • Diagnostic connector
    • Batteries, heavy duty, maintenance free, 900 CCA
    • Integrated lights (4 front, 2 rear)
    • 100 Amp alternator (24 volt)
    • 24V electric starter
  • Operator Environment
    • ROPS/FOPS Cab
    • Integrated A/C with automatic temperature control
    • Rear vision camera
    • Seat, air suspended, cloth for cab
    • Seat belt, retractable 76 mm (3 in)
    • Foot pads, dash
    • Color graphic 178 mm (7 in)
    • Travel speed limiter, electronic
    • Engine RPM and gear display
    • Hour meter, electronic
    • Engine air cleaner service indicator, electronic
    • Water-in-fuel indicator, electronic
    • Throttle switch, rotary
    • Eco mode
    • Controls, seat mounted, fore/aft adjustment
    • Armrests, adjustable
    • Mirror, rearview, inside
    • Single pedal combining deceleration and braking functions
    • Independent forward/reverse speed settings
    • Power port, 12 volt
    • Coat hook
    • Storage compartment
    • Cup holder
    • Floor mat, rubber, heavy duty
    • Intermittent wiper
    • 12V radio ready (plug and play)
  • Fluids
    • Antifreeze coolant (-37 C/-34.6 F)
    • Extended life coolant
  • Other Standard Equipment
    • C-frame, variable pitch link, hydraulic cylinders and lines
    • Engine enclosures
    • Hinged radiator louvered grill
    • Swing-out radiator fan
    • Front pull device
    • Rigid drawbar
    • Vandalism protection
    • Ecology drains (engine, power train and implement oil, engine coolant)
    • Scheduled Oil Sampling (SOS) ports (engine, power train and implement oil)
    • Heavy duty crankcase guard
  • Instructions
    • Warning decals, ANSI, are included for machines in the U.S.A. only.
  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Power Train
    • Fan, demand, reversing
  • Undercarriage
    • Cat Abrasion
    • Heavy Duty
    • LGP, Cat Abrasion
    • LGP, Heavy Duty
  • Tracks (40 Sections)
    • Track Pairs, Cat Abrasion: 510 mm (20 in) Moderate Service, 510 mm (20 in) Extreme Service, 560 mm (22 in) Moderate Service, 560 mm (22 in) Extreme Service
    • Track Pairs, Heavy Duty: 510 mm (20 in) Extreme Service, 560 mm (22 in) Extreme Service
    • Track Pairs, LGP, Cat Abrasion: 760 mm (30 in) Moderate Service, 760 mm (30 in) Extreme Service
    • Track Pairs, LGP, Heavy Duty: 760 mm (30 in) Extreme Service, 760 mm (30 in) Self-Cleaning
  • Track Guiding Guards
    • Guard, track guiding, center
    • Guard, track guiding, front/rear
    • Guard, track guiding, full length
  • Operator Environment
    • Cab, Comfort Package
    • Cab, Comfort Package, Heavy Duty
    • Suspension seat, heated and ventilated with heated joystick handles
    • Radio, AM/FM/AUX/USB/Bluetooth
  • Hydraulics
    • Hydraulic oil, bio
  • Guards And Protection
    • Cab, protection package
    • Screen, rear
    • Protection package, standard
    • Protection package, front
    • Protection package, heavy duty
  • Blades
    • Blade, 3196 mm (126 in) ARO
    • Blade, 3196 mm (126 in) Foldable ARO
    • Blade, 3684 mm (145 in) ARO LGP
    • Blade, 3684 mm (145 in) Foldable ARO LGP
    • Mechanical blade pitch
    • Blade power pitch
  • Rear Attachments
    • Drawbar
    • Ripper, straight teeth
    • Ripper, curved teeth
    • Counterweight, rear
    • Counterweight, additional slabs
  • Rear Attachment Control
    • Ripper control
    • Winch control
    • Ripper and winch control
    • Ripper and Power Pitch control
    • Ripper, Winch and Power Pitch control
  • Technology Products
    • Attachment Ready Option
    • Cat GRADE with 3D
    • Product Link Cellular
    • Product Link Satellite
    • Product Link Cellular and Satellite
  • Fuel Systems
    • Fuel tank, fast fuel and refill ready
  • Weather Packages And Starters
    • Cold Weather Package, 120V
    • Cold Weather Package, 240V
    • Electrical insulated breather
    • Starter standard
    • Starter high speed, low temperature
  • Fluids
    • Antifreeze, -50 C (-58 F)
  • Electrical
    • Beacon, rotating
  • Field Installed Attachments
    • Winch and fairleads: variable speed PA50 winch, 3-roller fairlead, conversion kit for fourth roller, which step
  • Maintenance And Related Attachments
    • Shovel holder
    • Fuel pump, refilling
    • Oil change system, high speed

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