The D3K2 Track Type Tractor that carries HM518 Mulcher is a unique configuration consisting of a high performance powertrain and closed loop hydraulic system
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.
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
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)
Balanced and rugged for operating in rough terrain and soft underfoot conditions.
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.
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
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)
Balanced and rugged for operating in rough terrain and soft underfoot conditions.
| Engine Model | Cat® C4.4 Cat® C4.4 |
| Power - Net | 104.0 HP 77.6 kW |
| Displacement | 269.0 in³ 4.4 l |
| Bore | 4.13 in 105.0 mm |
| Stroke | 5.0 in 127.0 mm |
| Rated Net Power - 2,200 rpm - SAE J1349 | 104.0 HP 77.6 kW |
| Rated Net Power - 2,200 rpm - ISO 9249/EEC 80/1269 | 104.0 HP 77.6 kW |
| Note | Engine meets Tier 4 Final/Stage IV emission standards. Engine meets Tier 4 Final/Stage IV emission standards. |
| Drive Pumps | 1 1 |
| Track Motors | 2 2 |
| Relief Valve Settings | 7033.0 psi 48500.0 kPa |
| Maximum Travel Speed - Reverse | 6.2 mile/h 10.0 km/h |
| Maximum Travel Speed - Forward | 5.6 mile/h 9.0 km/h |
| Operating Weight - XL | 23746.0 lb 10771.0 kg |
| Operating Weight - LGP | 24698.0 lb 11203.0 kg |
| Note | Specifications shown are for machine equipped with mulcher, cab ROPS, back-up alarm, operator, coolant, lubricants and full fuel tank. Specifications shown are for machine equipped with mulcher, cab ROPS, back-up alarm, operator, coolant, lubricants and full fuel tank. |
| Transmission - Hydraulic Tank | 15.7 gal (US) 59.5 l |
| Final Drive - Each - LGP | 2.6 gal (US) 10.0 l |
| Crankcase - With Filter | 2.91 gal (US) 11.0 l |
| Cooling System | 5.92 gal (US) 22.4 l |
| Fuel Tank | 51.5 gal (US) 195.0 l |
| Final Drive - Each - XL | 2.6 gal (US) 10.0 l |
| Diesel Exhaust Fluid (DEF) Tank | 4.9 gal (US) 19.0 l |
| Pump Output | 17.7 gal/min 68.0 l/min |
| Relief Valve Settings | 2988.0 psi 20600.0 kPa |
| Shoe Width - LGP | 25.0 in 635.0 mm |
| Ground Pressure - LGP | 4.2 psi 30.0 kPa |
| Ground Pressure - XL | 6.2 psi 42.8 kPa |
| Length - Track on Ground - XL | 89.0 in 2248.0 mm |
| Track Gauge - LGP | 68.0 in 1725.0 mm |
| Number of Rollers - Each Side | 6 6 |
| Ground Contact Area - LGP | 4425.0 in² 28550.0 cm² |
| Ground Contact Area - XL | 2829.0 in² 18254.0 cm² |
| Length - Track on Ground - LGP | 89.0 in 2248.0 mm |
| Number of Shoes - Each Side - Sealed and Lubricated Track (SALT) Undercarriage | 43 43 |
| Shoe Width - XL | 16.0 in 406.0 mm |
| Track Gauge - XL | 59.0 in 1495.0 mm |
| Maximum Line Pull - Full Drum | 20000.0 lb 9072.0 kg |
| Winch Drive | Hydraulic Hydraulic |
| Weight | 1684.0 lb 764.0 kg |
| Maximum Line Speed - Bare Drum | 50.0 ft/min 15.0 m/min |
| Maximum Line Pull - Bare Drum | 32150.0 lb 14583.0 kg |
| Drum Capacity - Recommended Cable | 279.0 ft 85.0 m |
| Drum Capacity - Optional Cable | 256.0 ft 78.0 m |
| Rope Diameter - Optional | 0.63 in 16.0 mm |
| Maximum Line Speed - Full Drum | 79.0 ft/min 24.0 m/min |
| Rope Diameter - Recommended | 0.5 in 13.0 mm |
| Speed | Variable Variable |
| Control | Hydraulic Hydraulic |
| Length - Basic Tractor - Without Mulcher - LGP | 128.9 in 3275.0 mm |
| Ground Clearance - XL | 13.0 in 332.0 mm |
| Track Gauge - LGP | 67.9 in 1725.0 mm |
| Track Gauge - XL | 58.9 in 1495.0 mm |
| Tractor Height - LGP | 108.8 in 2763.0 mm |
| Overall Length - With Blade - LGP | 167.6 in 4255.0 mm |
| Width - Tractor - Standard Shoes - No Mulcher - LGP | 92.9 in 2360.0 mm |
| Ground Clearance - LGP | 13.0 in 332.0 mm |
| Tractor Height - XL | 112.0 in 2845.0 mm |
| Width - Tractor - Standard Shoes - No Mulcher - XL | 74.8 in 1901.0 mm |
| Length - Basic Tractor - Without Mulcher - XL | 128.9 in 3275.0 mm |
| Overall Length - With Blade - XL | 168.0 in 4266.0 mm |
| Sound Levels - SAE J1166 FEB2008 | 79.0 dB(A) 79.0 dB(A) |
| FOPS | ISO 3449:2005 Level II ISO 3449:2005 Level II |
| Sound Levels - ISO 6396:2008 | 79.0 dB(A) 79.0 dB(A) |
| ROPS | ISO 3471:2008 ISO 3471:2008 |
| Maximum Tilt | 14.5 in 368.0 mm |
| Overall Width | 84.0 in 2122.0 mm |
| Optimum Hydraulic Flow | 30.0 gal/min 114.0 l/min |
| Working Width | 72.0 in 1822.0 mm |
| Overall Height | 58.0 in 1480.0 mm |
| Motor | Closed loop hydrostatic Closed loop hydrostatic |
| Length | 53.0 in 1354.0 mm |
| Optimum Hydraulic Pressure | 5900.0 psi 407.0 bar |
| Lift Height | 31.0 in 787.0 mm |
| Fixed Teeth per Drum | 38 38 |
| Weight | 3197.0 lb 1450.0 kg |
| Maximum Angle - Either Side | 25° 25° |
| Drive Method | Polychain belt Polychain belt |
| Drum Speed Range | 2150-2450 rpm 2150-2450 rpm |
| 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. 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. |
The small dozers parts reference guide provides you with a quick reference to all the repair, wear and maintenance parts you need for your machine.
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