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D85EXi-18
A workhorse for your fleet
- Horsepower: 264 HP @ 1,900 rpm
- Operating weight: 68,350 lbs.
- Blade capacity: 9.2 yd³
Specifications
Engine
| Model | Komatsu SAA6D125E-7* |
| Type | 4-cycle, water-cooled, direct injection |
| Aspiration | Komatsu variable geometry turbocharged, air-to-air aftercooled |
| No. of cylinders | 6 |
| Bore x stroke | 4.49 x 5.69 in |
| Piston displacement | 674 in³ |
| Governor | All-speed and mid-range, electronic |
| Horsepower: | |
| SAE J1995 / Gross | 267 HP |
| ISO 9249 / SAE J1349* / Net | 264 HP |
| Rated rpm | 1,900 rpm |
| Fan drive type | Hydraulic |
| Lubrication system: | |
| Method | Gear pump, force lubrication |
| Filter | Full-flow |
| **EPA Tier 4 Final emissions certified |
TORQFLOW Transmission
Komatsu TORQFLOW transmission consists of a water-cooled, 3-element, 1-stage, 1-phase and a planetary gear, multipledisc clutch transmission which is electronically controlled, hydraulically actuated and force-lubricated for optimum heat dissipation. Shift lock lever and neutral safety switch.
| Travel speed: | Forward: | Reverse: |
| 1st | 2.1 mph | 2.7 mph |
| 2nd | 3.8 mph | 5.0 mph |
| 3rd L | 4.8 mph | 5.7 mph |
| 3rd | 6.3 mph | 8.1 mph |
Steering System
Palm Command Control 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. Tilt it to the right for a right 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.
- D85EXi-18: 6 ft. 6 in
- D85PXi-18: 7 ft. 3 in
Undercarriage
| Suspension | Oscillating equalizer bar and pivot shaft |
| Track roller frame | Monocoque, large section, durable construction |
| Rollers and idlers | Lubricated |
| 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) | 7 |
| Type of shoes (standard) | Single grouser |
| Number of shoes (each side) | 41 |
| Grouser height | 2.8 in |
| Shoe width (standard) | 26 in |
| Ground contact area (ISO 16754) | 7,120 in² |
| Ground pressure (tractor) (ISO 16754) | 7.5 psi |
| Track gauge | 6 ft. 7 in |
| Length of track on ground | 10 ft. |
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 teeth are bolt-on for easy replacement. Triple labyrinth protects seals and improves durability.
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. Piston type hydraulic pump with capacity (discharge flow) of 87.4 US gpm at rated engine rpm. |
| Relief valve setting |
| Control valves: |
| Spool control valves for SIGMADOZER®, semi-u tilt or straight tilt dozer |
| Blade lift |
| Blade tilt |
| Rear attachment |
Service Refill Capacities
| Fuel tank | 124.1 US gal |
| DEF tank | 6.2 US gal |
| Coolant | 17.2 US gal |
| Engine | 10.0 US gal |
| Damper case | 0.42 US gal |
| Torque converter, transmission, bevel gear, and steering system | 15.8 US gal |
| Final drive (each side) - D85EXi-18 | 6.9 US gal |
| Final drive (each side) - D85PXi-18 | 9.5 US gal |
Operating Weight
Tractor weight:
Including ROPS cab, rated capacity of lubricant, hydraulic control unit, coolant, full fuel tank, operator, and standard equipment.
- D85EXi-18: 53,506 lbs.
- D85PXi-18: 57,849 lbs.
Operating weight:
Including SIGMADOZER and fixed multi-shank ripper (EXi) or straight tilt dozer and long drawbar (PXi) ROPS cab, operator, standard equipment, rated capacity of lubricant, hydraulic control unit, coolant, and full fuel tank.
- D85EXi-18 SIGMADOZER: 67,439 lbs.
- D85PXi-18 straight tilt dozer: 65,080 lbs.
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