Small Dozers D3K2 Mulcher

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Key Specs

Engine Model
Cat® C4.4
Cat® C4.4
Power - Net
104 HP
77.6 kW
Operating Weight - XL
23746 lb
10771 kg

Overview

Designed for Rugged Terrain

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

Product Specifications for D3K2 Mulcher

Engine Model Cat® C4.4 Cat® C4.4
Power - Net 104 HP 77.6 kW
Displacement 269 in³ 4.4 l
Bore 4.13 in 105 mm
Stroke 5 in 127 mm
Net Power - 2,200 rpm - SAE J1349 104 HP 77.6 kW
Net Power - 2,200 rpm - ISO 9249/EEC 80/1269 104 HP 77.6 kW
Note Engine meets Tier 4 Final/Stage IV emission standards. Engine meets Tier 4 Final/Stage IV emission standards.
Drive Pumps 1 1
Track Motors 2 2
Relief Valve Settings 7033 psi 48500 kPa
Maximum Travel Speed - Reverse 6.2 mile/h 10 km/h
Maximum Travel Speed - Forward 5.6 mile/h 9 km/h
Operating Weight - XL 23746 lb 10771 kg
Operating Weight - LGP 24698 lb 11203 kg
Note Specifications shown are for machine equipped with mulcher, cab ROPS, back-up alarm, operator, coolant, lubricants and full fuel tank. Specifications shown are for machine equipped with mulcher, cab ROPS, back-up alarm, operator, coolant, lubricants and full fuel tank.
Transmission - Hydraulic Tank 15.7 gal (US) 59.5 l
Final Drive - Each - LGP 2.6 gal (US) 10 l
Crankcase - With Filter 2.91 gal (US) 11 l
Cooling System 5.92 gal (US) 22.4 l
Fuel Tank 51.5 gal (US) 195 l
Final Drive - Each - XL 2.6 gal (US) 10 l
Diesel Exhaust Fluid (DEF) Tank 4.9 gal (US) 19 l
Pump Output 17.7 gal/min 68 l/min
Relief Valve Settings 2988 psi 20600 kPa
Shoe Width - LGP 25 in 635 mm
Ground Pressure - LGP 4.2 psi 30 kPa
Ground Pressure - XL 6.2 psi 42.8 kPa
Length - Track on Ground - XL 89 in 2248 mm
Track Gauge - LGP 68 in 1725 mm
Number of Rollers - Each Side 6 6
Ground Contact Area - LGP 4425 in² 28550 cm²
Ground Contact Area - XL 2829 in² 18254 cm²
Length - Track on Ground - LGP 89 in 2248 mm
Number of Shoes - Each Side - Sealed and Lubricated Track (SALT) Undercarriage 43 43
Shoe Width - XL 16 in 406 mm
Track Gauge - XL 59 in 1495 mm
Maximum Line Pull - Full Drum 20000 lb 9072 kg
Winch Drive Hydraulic Hydraulic
Weight 1684 lb 764 kg
Maximum Line Speed - Bare Drum 50 ft/min 15 m/min
Maximum Line Pull - Bare Drum 32150 lb 14583 kg
Drum Capacity - Recommended Cable 279 ft 85 m
Drum Capacity - Optional Cable 256 ft 78 m
Rope Diameter - Optional 0.63 in 16 mm
Maximum Line Speed - Full Drum 79 ft/min 24 m/min
Rope Diameter - Recommended 0.5 in 13 mm
Speed Variable Variable
Control Hydraulic Hydraulic
Length - Basic Tractor - Without Mulcher - LGP 128.9 in 3275 mm
Ground Clearance - XL 13 in 332 mm
Track Gauge - LGP 67.9 in 1725 mm
Track Gauge - XL 58.9 in 1495 mm
Tractor Height - LGP 108.8 in 2763 mm
Overall Length - With Blade - LGP 167.6 in 4255 mm
Width - Tractor - Standard Shoes - No Mulcher - LGP 92.9 in 2360 mm
Ground Clearance - LGP 13 in 332 mm
Tractor Height - XL 112 in 2845 mm
Width - Tractor - Standard Shoes - No Mulcher - XL 74.8 in 1901 mm
Length - Basic Tractor - Without Mulcher - XL 128.9 in 3275 mm
Overall Length - With Blade - XL 168 in 4266 mm
Sound Levels - SAE J1166 FEB2008 79 dB(A) 79 dB(A)
FOPS ISO 3449:2005 Level II ISO 3449:2005 Level II
Sound Levels - ISO 6396:2008 79 dB(A) 79 dB(A)
ROPS ISO 3471:2008 ISO 3471:2008
Maximum Tilt 14.5 in 368 mm
Overall Width 84 in 2122 mm
Optimum Hydraulic Flow 30 gal/min 114 l/min
Working Width 72 in 1822 mm
Overall Height 58 in 1480 mm
Motor Closed loop hydrostatic Closed loop hydrostatic
Length 53 in 1354 mm
Optimum Hydraulic Pressure 5900 psi 407 bar
Lift Height 31 in 787 mm
Fixed Teeth per Drum 38 38
Weight 3197 lb 1450 kg
Maximum Angle - Either Side 25° 25°
Drive Method Polychain belt Polychain belt
Drum Speed Range 2150-2450 rpm 2150-2450 rpm
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. 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.

D3K2 Mulcher 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

D3K2 Mulcher 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

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Leverage Caterpillar connected data and security principles to improve efficiencies, increase productivity and make your business more profitable.

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  • Cat Inspect

    Cat® Inspect allows you to access your equipment data on your mobile device. This easy-to-use app lets you capture inspection data and integrates with your other Cat data systems, so you can keep a close eye on your fleet. More than one million inspections are completed each year, providing convenience and accountability to equipment owners.

  • My.Cat.Com

    My.Cat.Com is the web-based hub for digital equipment management, giving you an easy way to take in complex information. Monitor cost, utilization, reliability, age information and other critical data needed to run a business more efficiently and effectively. Access your equipment information and connect with your Cat dealer – all in one place.

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Efficient equipment management starts with the Cat App. Track the location and health of your equipment, order service and parts, and activate telematics devices directly from your mobile device. Staying on top of your fleet 24/7 has never been easier.

Explore Technology

Cat® Inspect allows you to access your equipment data on your mobile device. This easy-to-use app lets you capture inspection data and integrates with your other Cat data systems, so you can keep a close eye on your fleet. More than one million inspections are completed each year, providing convenience and accountability to equipment owners.

Explore Technology

My.Cat.Com is the web-based hub for digital equipment management, giving you an easy way to take in complex information. Monitor cost, utilization, reliability, age information and other critical data needed to run a business more efficiently and effectively. Access your equipment information and connect with your Cat dealer – all in one place.

Explore Technology

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