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Key Specs
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 Model | Cat® C4.4 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 |
| Net Power - 2,200 rpm - SAE J1349 | 104 HP 77.6 kW |
| Net Power - 2,200 rpm - ISO 9249/EEC 80/1269 | 104 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 psi 48500 kPa |
| Maximum Travel Speed - Reverse | 6.2 mile/h 10 km/h |
| Maximum Travel Speed - Forward | 5.6 mile/h 9 km/h |
| 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. 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 l |
| Crankcase - With Filter | 2.91 gal (US) 11 l |
| Cooling System | 5.92 gal (US) 22.4 l |
| Fuel Tank | 51.5 gal (US) 195 l |
| Final Drive - Each - XL | 2.6 gal (US) 10 l |
| Diesel Exhaust Fluid (DEF) Tank | 4.9 gal (US) 19 l |
| Pump Output | 17.7 gal/min 68 l/min |
| Relief Valve Settings | 2988 psi 20600 kPa |
| Shoe Width - LGP | 25 in 635 mm |
| Ground Pressure - LGP | 4.2 psi 30 kPa |
| Ground Pressure - XL | 6.2 psi 42.8 kPa |
| Length - Track on Ground - XL | 89 in 2248 mm |
| Track Gauge - LGP | 68 in 1725 mm |
| Number of Rollers - Each Side | 6 6 |
| Ground Contact Area - LGP | 4425 in² 28550 cm² |
| Ground Contact Area - XL | 2829 in² 18254 cm² |
| Length - Track on Ground - LGP | 89 in 2248 mm |
| Number of Shoes - Each Side - Sealed and Lubricated Track (SALT) Undercarriage | 43 43 |
| Shoe Width - XL | 16 in 406 mm |
| Track Gauge - XL | 59 in 1495 mm |
| Maximum Line Pull - Full Drum | 20000 lb 9072 kg |
| Winch Drive | Hydraulic Hydraulic |
| Weight | 1684 lb 764 kg |
| Maximum Line Speed - Bare Drum | 50 ft/min 15 m/min |
| Maximum Line Pull - Bare Drum | 32150 lb 14583 kg |
| Drum Capacity - Recommended Cable | 279 ft 85 m |
| Drum Capacity - Optional Cable | 256 ft 78 m |
| Rope Diameter - Optional | 0.63 in 16 mm |
| Maximum Line Speed - Full Drum | 79 ft/min 24 m/min |
| Rope Diameter - Recommended | 0.5 in 13 mm |
| Speed | Variable Variable |
| Control | Hydraulic Hydraulic |
| Length - Basic Tractor - Without Mulcher - LGP | 128.9 in 3275 mm |
| Ground Clearance - XL | 13 in 332 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 |
| Overall Length - With Blade - LGP | 167.6 in 4255 mm |
| Width - Tractor - Standard Shoes - No Mulcher - LGP | 92.9 in 2360 mm |
| Ground Clearance - LGP | 13 in 332 mm |
| Tractor Height - XL | 112 in 2845 mm |
| Width - Tractor - Standard Shoes - No Mulcher - XL | 74.8 in 1901 mm |
| Length - Basic Tractor - Without Mulcher - XL | 128.9 in 3275 mm |
| Overall Length - With Blade - XL | 168 in 4266 mm |
| Sound Levels - SAE J1166 FEB2008 | 79 dB(A) 79 dB(A) |
| FOPS | ISO 3449:2005 Level II ISO 3449:2005 Level II |
| Sound Levels - ISO 6396:2008 | 79 dB(A) 79 dB(A) |
| ROPS | ISO 3471:2008 ISO 3471:2008 |
| Maximum Tilt | 14.5 in 368 mm |
| Overall Width | 84 in 2122 mm |
| Optimum Hydraulic Flow | 30 gal/min 114 l/min |
| Working Width | 72 in 1822 mm |
| Overall Height | 58 in 1480 mm |
| Motor | Closed loop hydrostatic Closed loop hydrostatic |
| Length | 53 in 1354 mm |
| Optimum Hydraulic Pressure | 5900 psi 407 bar |
| Lift Height | 31 in 787 mm |
| Fixed Teeth per Drum | 38 38 |
| Weight | 3197 lb 1450 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. |
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Efficient equipment management starts with the Cat App. Track the location and health of your equipment, order service and parts, and activate telematics devices directly from your mobile device. Staying on top of your fleet 24/7 has never been easier.
Cat® Inspect allows you to access your equipment data on your mobile device. This easy-to-use app lets you capture inspection data and integrates with your other Cat data systems, so you can keep a close eye on your fleet. More than one million inspections are completed each year, providing convenience and accountability to equipment owners.
My.Cat.Com is the web-based hub for digital equipment management, giving you an easy way to take in complex information. Monitor cost, utilization, reliability, age information and other critical data needed to run a business more efficiently and effectively. Access your equipment information and connect with your Cat dealer – all in one place.
