D3K2 Mulcher

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The D3K2 Track Type Tractor that carries HM518 Mulcher is a unique configuration consisting of a high performance powertrain and closed loop hydraulic system

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Bore 4.13in
Displacement 269in³
Engine Model Cat® C4.4
Net Power - 2,200 rpm - ISO 9249/EEC 80/1269 104HP
Net Power - 2,200 rpm - SAE J1349 104HP
Note Engine meets Tier 4 Final/Stage IV emission standards.
Power - Net 104HP
Stroke 5in
Note Specifications shown are for machine equipped with mulcher, cab ROPS, back-up alarm, operator, coolant, lubricants and full fuel tank.
Operating Weight - LGP 24698lb
Operating Weight - XL 23746lb
Drive Pumps 1
Maximum Travel Speed - Forward 5.6mile/h
Maximum Travel Speed - Reverse 6.2mile/h
Relief Valve Settings 7033psi
Track Motors 2
Pump Output 17.7gal/min
Relief Valve Settings 2988psi
Cooling System 5.92gal (US)
Crankcase - With Filter 2.91gal (US)
Diesel Exhaust Fluid (DEF) Tank 4.9gal (US)
Final Drive - Each - LGP 2.6gal (US)
Final Drive - Each - XL 2.6gal (US)
Fuel Tank 51.5gal (US)
Transmission - Hydraulic Tank 15.7gal (US)
Ground Contact Area - LGP 4425in²
Ground Contact Area - XL 2829in²
Ground Pressure - LGP 4.2psi
Ground Pressure - XL 6.2psi
Length - Track on Ground - LGP 89in
Length - Track on Ground - XL 89in
Number of Rollers - Each Side 6
Number of Shoes - Each Side - Sealed and Lubricated Track (SALT) Undercarriage 43
Shoe Width - LGP 25in
Shoe Width - XL 16in
Track Gauge - LGP 68in
Track Gauge - XL 59in
Control Hydraulic
Drum Capacity - Optional Cable 256ft
Drum Capacity - Recommended Cable 279ft
Maximum Line Pull - Bare Drum 32150lb
Maximum Line Pull - Full Drum 20000lb
Maximum Line Speed - Bare Drum 50ft/min
Maximum Line Speed - Full Drum 79ft/min
Rope Diameter - Optional 0.63in
Rope Diameter - Recommended 0.5in
Speed Variable
Weight 1684lb
Winch Drive Hydraulic
Ground Clearance - LGP 13in
Ground Clearance - XL 13in
Length - Basic Tractor - Without Mulcher - LGP 128.9in
Length - Basic Tractor - Without Mulcher - XL 128.9in
Overall Length - With Blade - LGP 167.6in
Overall Length - With Blade - XL 168in
Track Gauge - LGP 67.9in
Track Gauge - XL 58.9in
Tractor Height - LGP 108.8in
Tractor Height - XL 112in
Width - Tractor - Standard Shoes - No Mulcher - LGP 92.9in
Width - Tractor - Standard Shoes - No Mulcher - XL 74.8in
FOPS ISO 3449:2005 Level II
ROPS ISO 3471:2008
Sound Levels - ISO 6396:2008 79dB(A)
Sound Levels - SAE J1166 FEB2008 79dB(A)
Drive Method Polychain belt
Drum Speed Range 2150-2450 rpm
Fixed Teeth per Drum 38
Length 53in
Lift Height 31in
Maximum Angle - Either Side 25°
Maximum Tilt 14.5in
Motor Closed loop hydrostatic
Optimum Hydraulic Flow 30gal/min
Optimum Hydraulic Pressure 5900psi
Overall Height 58in
Overall Width 84in
Weight 3197lb
Working Width 72in
Air Conditioning The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.6 kg of refrigerant which has a CO2 equivalent of 2.288 metric tonnes.

Standard Equipment:

  • Electrical
    • Alternator, 12 volt, 120 Amp, heavy duty brushless
    • Alarm, backup
    • Batteries, heavy duty, maintenance free, 1,500 CCA
    • Diagnostic connector
    • Horn, electric
    • Lights, halogen, 2 front and 2 rear
    • Starter, electric, 12 volt
  • Operator Station
    • ROPS/FOPS cab
    • Cab, polycarbonate windows and air conditioning
    • Seat, air suspended, cloth
    • Seatbelt, retractable 76 mm (3 in)
    • Foot pads, dash
    • Electronic Monitoring System with:
      – Gauges for engine coolant temperature, hydraulic oil temperature and fuel level
      – Travel speed limiter, electronic
      – Engine RPM and gear display
      – Hour meter, electric
      – Engine air cleaner service indicator, electronic
      – Water-in-fuel indicator, electronic
      – Mulcher drum speed and direction bar
    • Slope Indicate
    • Throttle switch, rotary
    • 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
  • Mulcher Hydraulics
    • Hydraulics, 3 valve
    • Load sensing hydraulics
    • Single lever, three function control
    • Hydraulic pump and oil
    • Closed-loop hydrostatic circuit
    • Axial Piston variable displacement pump and motor
  • Power Train
    • Cat® C4.4 diesel engine, turbocharged, U.S. EPA Tier 4 Final/EU Stage IV certified with aftertreatment
    • Aftercooler, Air-to-Air (ATAAC)
    • Aluminum bar plate cooling system (radiator, power train)
    • Air cleaner with precleaner, automatic dust ejection and under-hood intake
    • Dual path, closed-loop hydrostatic transmission
    • Electric fuel priming pump
    • Fuel/water separator
    • Reversing fan
  • Undercarriage
    • SALT Undercarriage
    • 6 roller track frame
    • Track rollers, lifetime lubricated
    • Carrier rollers
    • Track adjusters, hydraulic
    • Guards, front/rear guiding
    • Master link
  • Other Standard Equipment
    • Cat Product Link PL641 Cellular
    • C-Frame, VPAT, hydraulic cylinders and lines
    • Lockable engine enclosures
    • Front pull device
    • Ecology drains (engine, power train and implement oil and engine coolant)
    • Scheduled oil sampling ports (engine, power train implement oil)
    • Vandalism protection
    • Hinged radiator grill
    • Rearview camera
  • Antifreeze
    • Extended life coolant, –37° C (–35° F)
  • Guards
    • Guard, track guiding, center
    • Screen, rear, cab
    • Screen, side, cab
    • Sweeps, front
    • Sweeps, rear
    • Heavy duty crankcase guard

Optional Equipment:

  • Operator Station
    • Radio, AM/FM, Bluetooth
  • Guards
    • Guard, track guiding, center
    • Screen, rear, cab
    • Screen, side, cab
    • Sweeps, front
    • Sweeps, rear
  • Blades
    • VPAT XL blade
    • VPAT LGP blade
    • VPAT Intermediate blade
  • Rear Attachments
    • Counterweight, rear
    • Winch, retrieval
  • Starting Aids
    • Heater, engine, coolant, 120 volt
    • Starting aid, ether
  • Antifreeze
    • Extended life coolant, –50° C (–58° F)
  • Field Installed Attachment
    • Winch, retrieval