D3K2 Mulcher

Cat D3K2 Mulcher

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Engine Model Cat C4.4 ACERT
Power - Net 104 HP
Displacement 269 in³
Bore 4.13 in
Stroke 5 in
Note Engine meets Tier 4 Final/Stage IV emission standards.
Rated Net Power - 2,200 rpm - ISO 9249/EEC 80/1269 104 HP
Rated Net Power - 2,200 rpm - SAE J1349 104 HP
Drive Pumps 1
Maximum Travel Speed - Forward 5.6 mile/h
Maximum Travel Speed - Reverse 6.2 mile/h
Relief Valve Settings 7033 psi
Track Motors 2
Operating Weight - XL 23746 lb
Operating Weight - LGP 24698 lb
Note Specifications shown are for machine equipped with mulcher, cab ROPS, back-up alarm, operator, coolant, lubricants and full fuel tank.
Service Refill Capacities
Cooling System 5.92 gal (US)
Crankcase - With Filter 2.91 gal (US)
Final Drive - Each - LGP 2.6 gal (US)
Final Drive - Each - XL 2.6 gal (US)
Fuel Tank 51.5 gal (US)
Transmission - Hydraulic Tank 15.7 gal (US)
Diesel Exhaust Fluid (DEF) Tank 4.9 gal (US)
Hydraulic Controls
Pump Output 17.7 gal/min
Relief Valve Settings 2988 psi
Ground Contact Area - LGP 4425 in²
Ground Contact Area - XL 2829 in²
Ground Pressure - LGP 4.2 psi
Ground Pressure - XL 6.2 psi
Length - Track on Ground - LGP 89 in
Length - Track on Ground - XL 89 in
Number of Rollers - Each Side 6
Number of Shoes - Each Side - Sealed and Lubricated Track (SALT) Undercarriage 43
Shoe Width - LGP 25 in
Shoe Width - XL 16 in
Track Gauge - LGP 68 in
Track Gauge - XL 59 in
Retrieval Winch
Control Hydraulic
Drum Capacity - Optional Cable 256 ft
Drum Capacity - Recommended Cable 279 ft
Maximum Line Pull - Bare Drum 32150 lb
Maximum Line Pull - Full Drum 20000 lb
Maximum Line Speed - Bare Drum 50 ft/min
Maximum Line Speed - Full Drum 79 ft/min
Rope Diameter - Optional 0.63 in
Rope Diameter - Recommended 0.5 in
Speed Variable
Weight 1684 lb
Winch Drive Hydraulic
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.
FOPS ISO 3449:2005 Level II
ROPS ISO 3471:2008
Sound Levels - ISO 6396:2008 79 dB(A)
Sound Levels - SAE J1166 FEB2008 79 dB(A)
Ground Clearance - LGP 13 in
Ground Clearance - XL 13 in
Length - Basic Tractor - Without Mulcher - LGP 128.9 in
Length - Basic Tractor - Without Mulcher - XL 128.9 in
Overall Length - With Blade - LGP 167.6 in
Overall Length - With Blade - XL 168 in
Track Gauge - LGP 67.9 in
Track Gauge - XL 58.9 in
Tractor Height - LGP 108.8 in
Tractor Height - XL 112 in
Width - Tractor - Standard Shoes - No Mulcher - LGP 92.9 in
Width - Tractor - Standard Shoes - No Mulcher - XL 74.8 in
Specifications - HM518
Drive Method Polychain belt
Drum Speed Range 2150-2450 rpm
Fixed Teeth per Drum 38
Length 53 in
Lift Height 31 in
Maximum Angle - Either Side 25°
Maximum Tilt 14.5 in
Motor Closed loop hydrostatic
Optimum Hydraulic Flow 30 gal/min
Optimum Hydraulic Pressure 5900 psi
Overall Height 58 in
Overall Width 84 in
Weight 3197 lb
Working Width 72 in


360° Visibility

360° Visibility
Easy viewing of the job site operating area PLUS a rearview camera.
D3K2 Mulcher

Seat Mounted Controls

Seat Mounted Controls
Mounted on the air suspension seats, these controls isolate the machine vibration from the operator, reducing operator fatigue.

Pressurized Cab

Pressurized Cab
Heated and air conditioned cab offer comfortable working environment resulting in less operator fatigue and improved productivity.

Hinged Radiator Grill

Hinged Radiator Grill
Allows for easy clean out of radiator without the need for tools.

Tractor Platform

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

Long Life Mulching Head

Long Life Mulching Head
New Cat® HM518 mulcher frame is designed for longer life using cladding material in high wear areas.

Hydraulically Controlled

Hydraulically Controlled
Mulcher conveniently operates with a hydraulically operated front door and adjustable push bar.

Closed Loop Hydrostatic Circuit

Closed Loop Hydrostatic Circuit
Delivers efficient, high performance power to the mulcher head, using less pump flow.

Reversible Drum

Reversible Drum
Easier operation and improved productivity.

Drum Speed Bar Indicator

Drum Speed Bar Indicator
In-cab indicator, aids operator in managing ground speed and overall mulching productivity.


Cat C4.4 ACERT™ diesel engine meets U.S. EPA Tier 4 Final/EU Stage IV emission standards.


Cat Sealed and Lubricated Track with 406 mm (16 in) or 635 mm (25 in) track shoes provides superior flotation and stability for wide range of operating conditions.

Reversing Fan

Reversing Fan
Auto reversing fan changes air flow direction to purge debris from radiator and enclosures.



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