D85PX-15

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Engine   
Model    Komatsu SAA6D125E-5 
Type    4-cycle, water-cooled, direct injection 
Aspiration    Turbocharged, air-to-air aftercooled, cooled EGR 
No. of cylinders   
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 Drives   
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)   
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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