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Komatsu Dozer D85EX-15
D85EX-15
Hydrostatic steering makes the D85EX-15 very maneuverable for such a large, powerful dozer. Palm command controls for travel and equipment give the operator the precise control of a small dozer with the pushing power of a high production dozer.
Engine
Model
Komatsu SAA6D125E-5
Type
4-cycle, water-cooled, direct injection
Aspiration
100 in³
Turbocharged, air-to-air aftercooled, cooled EGR
Number 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 / Gross
266 HP
199 kW
ISO 9249 / SAE J1349* / Net
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
3.8 mph 6.1 km/h
5.0 mph 8.0 km/h
3rd
6.3 mph 10.1 km/h
8.1 mph 13.0 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
6'6"
1.99 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)
7
Type of shoes (standard)
Single grouser
Number of shoes (each side)
41
Grouser height
2.8"
72 mm
Shoe width (standard)
22"
560 mm
Ground contact area
5295 in²
34160 cm²
Ground pressure(with dozer, cab and ROPS)
10.7 psi
0.75 kg/cm² / 73.6 kPa
Track gauge
6'7"
2000 mm
Length of track on ground
10'
3050 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.
46,780 lb
21220 kg
Operating weight:
Including Semi-U tilt dozer or straight tilt dozer, multi-shank ripper, steel cab, ROPS, operator, standard equipment, rated capacity of lubricant, coolant, and full fuel tank.
61,950 lb
28100 kg
Hydraulic System
Closed-center load sensing system (CLSS) designed for precise and responsive control, and for efficient simultaneous operation.
Hydraulic control units:
2 x axial piston motors
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 MPa230 kg/cm²
Control valves:
Spool control valves for tilt dozer:
Blade lift
Raise, hold, lower, and float
Blade tilt
Right, hold, and left
Additional control valve required for multi-shank ripper:
