D3K2 MULCHER

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


SPECIFICATIONS
Engine
Engine Model Cat® C4.4
Power - Net 104 HP
Displacement 269 in³
Bore 4.13 in
Stroke 5 in
Rated Net Power - 2,200 rpm - SAE J1349 104 HP
Rated Net Power - 2,200 rpm - ISO 9249/EEC 80/1269 104 HP
Note Engine meets Tier 4 Final/Stage IV emission standards.


Transmission
Drive Pumps 1
Track Motors 2
Relief Valve Settings 7033 psi
Maximum Travel Speed - Reverse 6.2 mile/h
Maximum Travel Speed - Forward 5.6 mile/h


Weights
Operating Weight - XL 23746 lb
Operating Weight - LGP 24698 lb


Service Refill Capacities
Transmission - Hydraulic Tank 15.7 gal (US)
Final Drive - Each - LGP 2.6 gal (US)
Crankcase - With Filter 2.91 gal (US)
Cooling System 5.92 gal (US)
Fuel Tank 51.5 gal (US)
Final Drive - Each - XL 2.6 gal (US)


Hydraulic Controls
Pump Output 17.7 gal/min
Relief Valve Settings 2988 psi


Undercarriage
Shoe Width - LGP 25 in
Ground Pressure - LGP 4.2 psi
Ground Pressure - XL 6.2 psi
Length - Track on Ground - XL 89 in
Track Gauge - LGP 68 in
Number of Rollers - Each Side 6
Ground Contact Area - LGP 4425 in²
Ground Contact Area - XL 2829 in²
Length - Track on Ground - LGP 89 in
Number of Shoes - Each Side - Sealed and Lubricated Track (SALT) Undercarriage 43
Shoe Width - XL 16 in
Track Gauge - XL 59 in


Retrieval Winch
Maximum Line Pull - Full Drum 20000 lb
Winch Drive Hydraulic
Weight 1684 lb
Maximum Line Speed - Bare Drum 50 ft/min
Maximum Line Pull - Bare Drum 32150 lb
Drum Capacity - Recommended Cable 279 ft
Drum Capacity - Optional Cable 256 ft
Rope Diameter - Optional 0.63 in
Maximum Line Speed - Full Drum 79 ft/min
Rope Diameter - Recommended 0.5 in
Speed Variable
Control Hydraulic


Dimensions
Length - Basic Tractor - Without Mulcher - LGP 128.9 in
Ground Clearance - XL 13 in


Cab
Sound Levels - SAE J1166 FEB2008 79 dB(A)


Specifications - HM518
Maximum Tilt 14.5 in


Cab
FOPS ISO 3449:2005 Level II


Specifications - HM518
Overall Width 84 in
Optimum Hydraulic Flow 30 gal/min


Dimensions
Track Gauge - LGP 67.9 in
Track Gauge - XL 58.9 in
Tractor Height - LGP 108.8 in


Specifications - HM518
Working Width 72 in


Dimensions
Overall Length - With Blade - LGP 167.6 in


Specifications - HM518
Overall Height 58 in


Service Refill Capacities
Diesel Exhaust Fluid (DEF) Tank 4.9 gal (US)


Specifications - HM518
Motor Closed loop hydrostatic


Dimensions
Width - Tractor - Standard Shoes - No Mulcher - LGP 92.9 in


Specifications - HM518
Length 53 in


Dimensions
Ground Clearance - LGP 13 in


Specifications - HM518
Optimum Hydraulic Pressure 5900 psi


Cab
Sound Levels - ISO 6396:2008 79 dB(A)


Specifications - HM518
Lift Height 31 in
Fixed Teeth per Drum 38


Dimensions
Tractor Height - XL 112 in
Width - Tractor - Standard Shoes - No Mulcher - XL 74.8 in


Specifications - HM518
Weight 3197 lb


Weights
Note Specifications shown are for machine equipped with mulcher, cab ROPS, back-up alarm, operator, coolant, lubricants and full fuel tank.


Specifications - HM518
Maximum Angle - Either Side 25°


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 1.6 kg of refrigerant which has a CO2 equivalent of 2.288 metric tonnes.


Dimensions
Length - Basic Tractor - Without Mulcher - XL 128.9 in


Cab
ROPS ISO 3471:2008


Specifications - HM518
Drive Method Polychain belt
Drum Speed Range 2150-2450 rpm


Dimensions
Overall Length - With Blade - XL 168 in


BENEFITS & FEATURES
Solid Foundation


The Cat® D3K2 Mulcher combines the foundation of the D3K2 Dozer and adds the HM518 Mulcher to make this machine durable and strong when called to action.

Long Life Mulching Head


The Cat® HM518 mulcher frame is designed for longer life using cladding material in high wear areas. The mulcher operates with a hydraulically operated front door and adjustable push bar

All Day Comfort


The spacious, comfortable cab helps keep you relaxed and productive throughout the day.
Quiet environment
Wide door openings for easy entry/exit
Dash mounted air vents for improved air circulation
Air suspension seat for a more comfortable ride
Air conditioning for greater comfort in all climates
New ventilated seat (optional)
Heated seat and heated control handles (optional)

Tough Platform


Balanced and rugged for operating in rough terrain and soft underfoot conditions.

EQUIPMENT
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