D3K2 Mulcher

Engine
Engine Model	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
Note	Engine meets Tier 4 Final/Stage IV emission standards.
Rated Net Power - 2,200 rpm - ISO 9249/EEC 80/1269	104 HP / 77.6 kW
Rated Net Power - 2,200 rpm - SAE J1349	104 HP / 77.6 kW

Transmission
Drive Pumps	1
Maximum Travel Speed - Forward	5.6 mile/h / 9 km/h
Maximum Travel Speed - Reverse	6.2 mile/h / 10 km/h
Relief Valve Settings	7033 psi / 48500 kPa
Track Motors	2

Weights
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.

Service Refill Capacities
Cooling System	5.92 gal (US) / 22.4 l
Crankcase - With Filter	2.91 gal (US) / 11 l
Final Drive - Each - LGP	2.6 gal (US) / 10 l
Final Drive - Each - XL	2.6 gal (US) / 10 l
Fuel Tank	51.5 gal (US) / 195 l
Transmission - Hydraulic Tank	15.7 gal (US) / 59.5 l
Diesel Exhaust Fluid (DEF) Tank	4.9 gal (US) / 19 l

Hydraulic Controls
Pump Output	17.7 gal/min / 68 l/min
Relief Valve Settings	2988 psi / 20600 kPa

Undercarriage
Ground Contact Area - LGP	4425 in² / 28550 cm²
Ground Contact Area - XL	2829 in² / 18254 cm²
Ground Pressure - LGP	4.2 psi / 30 kPa
Ground Pressure - XL	6.2 psi / 42.8 kPa
Length - Track on Ground - LGP	89 in / 2248 mm
Length - Track on Ground - XL	89 in / 2248 mm
Number of Rollers - Each Side	6
Number of Shoes - Each Side - Sealed and Lubricated Track (SALT) Undercarriage	43
Shoe Width - LGP	25 in / 635 mm
Shoe Width - XL	16 in / 406 mm
Track Gauge - LGP	68 in / 1725 mm
Track Gauge - XL	59 in / 1495 mm

Retrieval Winch
Control	Hydraulic
Drum Capacity - Optional Cable	256 ft / 78 m
Drum Capacity - Recommended Cable	279 ft / 85 m
Maximum Line Pull - Bare Drum	32150 lb / 14583 kg
Maximum Line Pull - Full Drum	20000 lb / 9072 kg
Maximum Line Speed - Bare Drum	50 ft/min / 15 m/min
Maximum Line Speed - Full Drum	79 ft/min / 24 m/min
Rope Diameter - Optional	0.63 in / 16 mm
Rope Diameter - Recommended	0.5 in / 13 mm
Speed	Variable
Weight	1684 lb / 764 kg
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 / 332 mm
Ground Clearance - XL	13 in / 332 mm
Length - Basic Tractor - Without Mulcher - LGP	128.9 in / 3275 mm
Length - Basic Tractor - Without Mulcher - XL	128.9 in / 3275 mm
Overall Length - With Blade - LGP	167.6 in / 4255 mm
Overall Length - With Blade - XL	168 in / 4266 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
Tractor Height - XL	112 in / 2845 mm
Width - Tractor - Standard Shoes - No Mulcher - LGP	92.9 in / 2360 mm
Width - Tractor - Standard Shoes - No Mulcher - XL	74.8 in / 1901 mm

Specifications - HM518
Drive Method	Polychain belt
Drum Speed Range	2150-2450 rpm
Fixed Teeth per Drum	38
Length	53 in / 1354 mm
Lift Height	31 in / 787 mm
Maximum Angle - Either Side	25°
Maximum Tilt	14.5 in / 368 mm
Motor	Closed loop hydrostatic
Optimum Hydraulic Flow	30 gal/min / 114 l/min
Optimum Hydraulic Pressure	5900 psi / 407 bar
Overall Height	58 in / 1480 mm
Overall Width	84 in / 2122 mm
Weight	3197 lb / 1450 kg
Working Width	72 in / 1822 mm

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

Winches

Cat® hydrostatic winch provides infinitely variable speed control.

Model	Weight	Maximum Line Pull - Full Drum	Maximum Line Speed - Full Drum
PA40	1345 lb / 610 kg	40000 lb / 18144 kg	131 ft/min / 40 m/min
Retrieval Winch	1350 lb / 612 kg	32150 lb / 14583 kg	50 ft/min / 15 m/min

Heavy Equipment

Standard Equipment

Optional Equipment

Winches

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