US
Metric

Overview

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

Engine

Engine Model
Cat C4.4 ACERT
Power - Net
104.00 HP
77.60 kW
Displacement
269.00 in3
4.40 L
Net Power - 2,200 rpm - SAE J1349
104.00 HP
77.60 kW
Rated Net Power @ 2,200 rpm – ISO 9249/EEC 80/1269
104.00 hp
77.60 kW
Note
Engine meets Tier 4 Final/Stage IV emission standards.
Bore
4.13 in
105.00 mm
Stroke
5.00 in
127.00 mm

Weights

Operating Weight - XL
23746.00 lb
10771.00 kg
Operating Weight - LGP
24698.00 lb
11203.00 kg

Transmission

Drive Pumps
1
Track Motors
2
Relief Valve Settings
7033.00 psi
48500.00 kPa
Maximum Travel Speed - Forward
5.60 mile/h
9.00 km/h
Maximum Travel Speed - Reverse
6.20 mile/h
10.00 km/h

Service Refill Capacities

Fuel Tank
51.50 gal
195.00 L
Crankcase - With Filter
2.91 gal (US)
11.00 l
Final Drive - Each - XL
2.60 gal (US)
10.00 l
Final Drive - Each - LGP
2.60 gal (US)
10.00 l
Cooling System
5.92 gal
22.40 L
Transmission - Hydraulic Tank
15.70 gal (US)
59.50 l
Diesel Exhaust Fluid (DEF) Tank
4.90 gal
19.00 L

Hydraulic Controls

Pump Output
17.70 gal/min
68.00 l/min
Relief Valve Settings
2988.00 psi
20600.00 kPa

Retrieval Winch

Weight
1684.00 lb
764.00 kg
Winch Drive
Hydraulic
Control
Hydraulic
Speed
Variable
Rope Diameter – recommended
0.50 in
13.00 mm
Rope Diameter – optional
0.63 in
16.00 mm
Drum Capacity – recommended cable
279.00 ft
85.00 m
Drum Capacity – optional cable
256.00 ft
78.00 m
Maximum Line Pull – bare drum
32150.00 lb
14583.00 kg
Maximum Line Pull – full drum
20000.00 lb
9072.00 kg
Maximum Line Speed – bare drum
50.00 ft/min
15.00 m/min
Maximum Line Speed – full drum
79.00 ft/min
24.00 m/min

Undercarriage

Shoe Width - XL
16.00 in
406.00 mm
Shoe Width - LGP
25.00 in
635.00 mm
Length - Track on Ground - XL
89.00 in
2248.00 mm
Length - Track on Ground - LGP
89.00 in
2248.00 mm
Track Gauge - XL
59.00 in
1495.00 mm
Track Gauge - LGP
68.00 in
1725.00 mm
Ground Contact Area - XL
2829.00 in²
18254.00 cm²
Ground Contact Area - LGP
4425.00 in²
28550.00 cm²
Ground Pressure - XL
6.20 psi
42.80 kPa
Ground Pressure - LGP
4.20 psi
30.00 kPa
Number of Rollers (each side)
6
Number of Shoes (each side) – Sealed and Lubricated Track (SALT) Undercarriage
43

Weights

Note
Specifications shown are for machine equipped with mulcher, cab ROPS, back-up alarm, operator, coolant, lubricants and full fuel tank.

Cab

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

Dimensions

Track Gauge – XL
58.90 in
1495.00 mm
Track Gauge – LGP
67.90 in
1725.00 mm
Width - Tractor - Standard Shoes - No Mulcher - XL
74.80 in
1901.00 mm
Width - Tractor - Standard Shoes - No Mulcher - LGP
92.90 in
2360.00 mm
Overall Length (with blade) – XL
168.00 in
4266.00 mm
Overall Length (with blade) – LGP
167.60 in
4255.00 mm
Length - Basic Tractor - Without Mulcher - XL
128.90 in
3275.00 mm
Length - Basic Tractor - Without Mulcher - LGP
128.90 in
3275.00 mm
Tractor Height – XL
112.00 in
2845.00 mm
Tractor Height – LGP
108.80 in
2763.00 mm
Ground Clearance – XL
13.00 in
332.00 mm
Ground Clearance – LGP
13.00 in
332.00 mm

Specifications - HM518

Overall Width
84.00 in
2122.00 mm
Working Width
72.00 in
1822.00 mm
Length
53.00 in
1354.00 mm
Overall Height
58.00 in
1480.00 mm
Lift Height
31.00 in
787.00 mm
Maximum Tilt
14.50 in
368.00 mm
Maximum Angle - Either Side
25°
Weight
3197.00 lb
1450.00 kg
Drive Method
Polychain belt
Motor
Closed loop hydrostatic
Optimum Hydraulic Flow
30.00 gal/min
114.00 l/min
Optimum Hydraulic Pressure
5900.00 psi
407.00 bar
Drum Speed Range
2150-2450 rpm
Fixed Teeth per Drum
38

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.

Engine

Engine Model
Cat® C4.4
Displacement
269.00 in³
4.40 l
Bore
4.13 in
105.00 mm
Stroke
5.00 in
127.00 mm
Note
Engine meets Tier 4 Final/Stage IV emission standards.
Net Power - 2,200 rpm - ISO 9249/EEC 80/1269
104.00 HP
77.60 kW

Service Refill Capacities

Cooling System
5.92 gal (US)
22.40 l
Fuel Tank
51.50 gal (US)
195.00 l

Undercarriage

Number of Rollers - Each Side
6
Number of Shoes - Each Side - Sealed and Lubricated Track (SALT) Undercarriage
43

Retrieval Winch

Control
Hydraulic
Drum Capacity - Optional Cable
256.00 ft
78.00 m
Drum Capacity - Recommended Cable
279.00 ft
85.00 m
Maximum Line Pull - Bare Drum
32150.00 lb
14583.00 kg
Maximum Line Pull - Full Drum
20000.00 lb
9072.00 kg
Maximum Line Speed - Bare Drum
50.00 ft/min
15.00 m/min
Maximum Line Speed - Full Drum
79.00 ft/min
24.00 m/min
Rope Diameter - Optional
0.63 in
16.00 mm
Rope Diameter - Recommended
0.50 in
13.00 mm
Speed
Variable
Weight
1684.00 lb
764.00 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
79.00 dB(A)
79.00 dB(A)
Sound Levels - SAE J1166 FEB2008
79.00 dB(A)
79.00 dB(A)

Dimensions

Ground Clearance - LGP
13.00 in
332.00 mm
Ground Clearance - XL
13.00 in
332.00 mm
Overall Length - With Blade - LGP
167.60 in
4255.00 mm
Overall Length - With Blade - XL
168.00 in
4266.00 mm
Track Gauge - LGP
67.90 in
1725.00 mm
Track Gauge - XL
58.90 in
1495.00 mm
Tractor Height - LGP
108.80 in
2763.00 mm
Tractor Height - XL
112.00 in
2845.00 mm

Service Refill Capacities

Diesel Exhaust Fluid (DEF) Tank
4.90 gal (US)
19.00 l

Weights

Note
Specifications shown are for machine equipped with mulcher, cab ROPS, back-up alarm, operator, coolant, lubricants and full fuel tank.
Features

Solid Foundation

The Cat® D3K2 Mulcher combines the foundation of the D3K2 Dozer and adds the HM518 Mulcher to make this machine durable and strong when called to action.

Long Life Mulching Head

The Cat® HM518 mulcher frame is designed for longer life using cladding material in high wear areas. The mulcher operates with a hydraulically operated front door and adjustable push bar

All Day Comfort

The spacious, comfortable cab helps keep you relaxed and productive throughout the day.
Quiet environment
Wide door openings for easy entry/exit
Dash mounted air vents for improved air circulation
Air suspension seat for a more comfortable ride
Air conditioning for greater comfort in all climates
New ventilated seat (optional)
Heated seat and heated control handles (optional)

Tough Platform

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

Sales Features

Features:

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