Cat D3K2 Mulcher

Small Dozers

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About the Cat D3K2 Mulcher

D3K2 Mulcher

Specifications

Engine

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

Transmission

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

Weights

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

Undercarriage

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.

Cab

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)

Dimensions

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

Features

360° Visibility

Easy viewing of the job site operating area PLUS a rearview camera.

Seat Mounted Controls

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

Pressurized Cab

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

Hinged Radiator Grill

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

Tractor Platform

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

Long Life Mulching Head

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

Hydraulically Controlled

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

Closed Loop Hydrostatic Circuit

Delivers efficient, high performance power to the mulcher head, using less pump flow.

Reversible Drum

Easier operation and improved productivity.

Drum Speed Bar Indicator

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

Engine

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

Undercarriage

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.