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D3K2 Mulcher

D3K2 Mulcher

At a Glance

Engine Model
Cat® C4.4
Power - Net
104 HP
Operating Weight - XL
23746 lb
Operating Weight - LGP
24698 lb
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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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Engine Model Cat® C4.4
Power - Net 104HP
Displacement 269in³
Bore 4.13in
Stroke 5in
Net Power - 2,200 rpm - SAE J1349 104HP
Note Engine meets Tier 4 Final/Stage IV emission standards.
Net Power - 2,200 rpm - ISO 9249/EEC 80/1269 104HP


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Operating Weight - XL 23746lb
Operating Weight - LGP 24698lb
Note Specifications shown are for machine equipped with mulcher, cab ROPS, back-up alarm, operator, coolant, lubricants and full fuel tank.


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

Hydraulic Controls

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Pump Output 17.7gal/min
Relief Valve Settings 2988psi

Service Refill Capacities

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Crankcase - With Filter 2.91gal (US)
Final Drive - Each - XL 2.6gal (US)
Final Drive - Each - LGP 2.6gal (US)
Transmission - Hydraulic Tank 15.7gal (US)
Cooling System 5.92gal (US)
Fuel Tank 51.5gal (US)
Diesel Exhaust Fluid (DEF) Tank 4.9gal (US)


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


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Width - Tractor - Standard Shoes - No Mulcher - XL 74.8in
Width - Tractor - Standard Shoes - No Mulcher - LGP 92.9in
Length - Basic Tractor - Without Mulcher - XL 128.9in
Length - Basic Tractor - Without Mulcher - LGP 128.9in
Ground Clearance - LGP 13in
Ground Clearance - XL 13in
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

Specifications - HM518

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Overall Width 84in
Working Width 72in
Length 53in
Overall Height 58in
Lift Height 31in
Maximum Tilt 14.5in
Maximum Angle - Either Side 25°
Weight 3197lb
Drive Method Polychain belt
Motor Closed loop hydrostatic
Optimum Hydraulic Flow 30gal/min
Optimum Hydraulic Pressure 5900psi
Drum Speed Range 2150-2450 rpm
Fixed Teeth per Drum 38

Retrieval Winch

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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

Air Conditioning System

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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.


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FOPS ISO 3449:2005 Level II
ROPS ISO 3471:2008
Sound Levels - ISO 6396:2008 79dB(A)
Sound Levels - SAE J1166 FEB2008 79dB(A)