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Dozer Series D85PX-15
Features
The low ground pressure D85PX-15 has the ability to work in underfoot conditions that most big dozers would shy away from. Couple that stability with hydrostatic steering, very precise hydraulic control and a grade system and you’ve got an incredible production tractor or very large grading tractor.
Specifications
| Engine | ||
| Model | Komatsu SAA6D125E-5 | |
| Type | 4-cycle, water-cooled, direct injection | |
| Aspiration | Turbocharged, air-to-air aftercooled, cooled EGR | |
| No. of cylinders | 6 | |
| Bore x stroke | 4.92" x 5.9" | 125 mm x 150 mm |
| Piston displacement | 674 in³ | 11.04 ltr |
| Governor | All-speed, electronic | |
| Horsepower: | ||
| SAE J1995 | 266 HP | 199 kW |
| ISO 9249 / SAE J1349* | 240HP | 179 kW |
| Hydraulic fan at maximum speed / Net | 240 HP | 179 kW |
| Rated rpm | 1900 rpm | |
| Fan drive type | Hydraulic | |
| Lubrication system: | ||
| Method | Gear pump, force lubrication | |
| Filter | Full-flow | |
| EPA Tier 3 and EU stage 3A emissions certified. | ||
| TORQFLOW Transmission | ||
| Komatsu TORQFLOW transmission consists of a water-cooled, 3-element, 1-stage, 1-phase, torque converter and a planetary gear, multiple-disc clutch transmission which is hydraulically-actuated and force-lubricated for optimum heat dissipation. Gearshift lock lever and neutral switch helps prevent accidental starts. | ||
| Travel speed: | Forward: | Reverse: |
| 1st | 2.1 mph | |
| 3.3 km/h | 2.7 mph | |
| 4.4 km/h | ||
| 2nd | 3.7 mph | |
| 6.0 km/h | 4.9 mph | |
| 7.9 km/h | ||
| 3rd | 6.2 mph | |
| 10.0 km/h | 7.9 mph | |
| 12.7 km/h | ||
| Final Drive | ||
| Double-reduction final drive of spur and planetary gear sets to increase tractive effort and reduce gear tooth stresses for long final drive life. Segmented sprocket rims are bolt-on for easy replacement. | ||
| Steering System | ||
| PCCS lever controls for all directional movements. Pushing the PCCS lever forward results in forward machine travel, while pulling it rearward reverses the machine. Simply tilt the PCCS lever to left to make a left turn. | ||
| Hydrostatic Steering System (HSS) is powered by steering planetary units and an independent hydraulic pump and motor. Counterrotation turns are also available. Wet, multiple-disc, pedal-controlled service brakes are spring-actuated and hydraulically released. Gear shift lock lever also applies parking brake. | ||
| Minimum turning radius | 7'4" | 2.24 m |
| Undercarriage | ||
| Suspension | Oscillating equalizer bar and pivot shaft | |
| Track roller frame | Monocoque, large section, durable construction | |
| Rollers and idlers | Lubricated track rollers | |
| Track shoes | Lubricated tracks. Unique seals prevent entry of foreign abrasive material into pin to bushing clearances to provide extended service life. Track tension is easily adjusted with grease gun. | |
| Number of track rollers (each side) | 8 | |
| Type of shoes (standard) | Single grouser | |
| Number of shoes (each side) | 45 | |
| Grouser height | 2.8" | 72 mm |
| Shoe width (standard) | 36" | 910 mm |
| Ground contact area | 9,820 in² | 63340 cm² |
| Ground pressure | ||
| (with dozer, cab and ROPS) | 6.3 psi | 0.44 kg/cm² / 43.1 kPa |
| Track gauge | 7'5" | 2250 mm |
| Length of track on ground | 11'5" | 3480 mm |
| Coolant and Lubricant Capacity (refill) | ||
| Fuel tank | 129 U.S. gal | 490 ltr |
| Coolant | 15.3 U.S. gal | 58 ltr |
| Engine | 10.0 U.S. gal | 38 ltr |
| Torque converter, transmission, bevel gear, and steering system | 15.9 U.S. gal | 60 ltr |
| Final drive (each side) | 6.9 U.S. gal | 26 ltr |
| Operating Weight | ||
| Tractor weight: | ||
| Including rated capacity of lubricant, coolant, full fuel tank, operator, and standard equipment. | 51,810 lb | 23500 kg |
| Operating weight: | ||
| Including straight tilt dozer, steel cab, ROPS, operator, standard equipment, rated capacity of lubricant, coolant, and full fuel tank. | 60,960 lb | 27650 kg |
| Hydraulic System | ||
| Closed-center load sensing system (CLSS) designed for precise and responsive control, and for efficient simultaneous operation. | ||
| Hydraulic control units: | ||
| All spool valves externally mounted beside the hydraulic tank. Plunger type hydraulic pump with capacity (discharge flow) of 195 ltr/min 51.5 U.S. gal/min at rated engine rpm. | ||
| Relief valve setting | 3,270 psi | 22.6 MPa |
| 230 kg/cm² | ||
| Control valves: | ||
| Spool control valves for tilt dozer: | ||
| Blade lift | Raise, hold, lower, and float | |
| Blade tilt | Right, hold, and left | |
| Hydraulic cylinders | Double-acting, piston | |
| Number of cylinders: | Bore | Bore |
| Blade lift / 2 | 3.9" | 100 mm |
| Blade tilt / 1 | 5.9" | 150 mm |
| Ripper lift / 2 | 5.1" | 130 mm |
| Hydraulic oil capacity (refill): | ||
| Straight tilt dozer | 17.7 U.S. gal | 67 ltr |
| Semi-U tilt dozer | 17.7 U.S. gal | 67 ltr |
| Ripper equipment (additional volume): | ||
| Multi-shank ripper | 2.9 U.S. gal | 11 ltr |
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