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Komatsu Dozers D65WX-17

Komatsu Dozers D65WX-17

D65WX-17 Crawler Dozer

The wide track D65WX-17 has all the same great features as the D65 E and P machines but uses the standard length track of the EX with the wider track of the LGP PX. The D65WX gives the extra stability some applications such as slope work require without having to go to a low ground pressure shoe. The D65WX-17 can be equipped with the inside mount power angle tilt blade or the outside mount Sigma.

Engine
Model Komatsu SAA6D114E-5*
Type 4-cycle, water-cooled, direct injection
Aspiration Komatsu variable geometry Turbocharged, air-to-air aftercooled
Number of cylinders 6
Bore x stroke 4.49" x 5.69" 114 mm x 144.5 mm
Piston displacement 540 in³ 8.85 ltr
Governor All-speed and mid-range, electronic
Horsepower
SAE J1995 - Gross 207 HP 155 kW
(ISO 14396 205 HP 153 kW
ISO 9249 / SAE J1349 - Net 186 HP 139 kW
Rated rpm 1950 rpm
Fan drive type Hydraulic
Lubrication system:
Method Gear pump, force lubricationn
Filter Full-flow
*EPA Tier 4 Interim and EU stage 3B emissions certified
TORQFLOW transmission
Komatsu TORQFLOW transmission consists of a water-cooled, 3-element, 1-stage, 2-phase, torque converter with lockup clutch, and a planetary gear, multiple-disc 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 2.2 mph
3.6 km/h
2.7 mph
4.4 km/h
2nd 3.4 mph
5.5 km/h
4.1 mph
6.6 km/h
3rdL 4.5 mph
7.2 km/h
5.3 mph
8.6 km/h
3rd 7.0 mph
11.2 km/h
8.3 mph
13.4 km/h
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 a hydraulic pump and motor. Counter-rotation 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:
D65EX-17 6'3" 1.9 m
D65EX-17 with PAT 6'7" 2.0 m
D65PX-17 7'3" 2.2 m
D65WX-17 6'11" 2.1 m
Undercarriage
Suspension Oscillating-type with equalizer bar and pivot shafts
Track roller frame Monocoque, large section, durable construction
Rollers and idlers Lubricated
Track shoes Parallel Link Undercarriage System (PLUS) with lubricated rotating bushings for extended system wear life and lower maintenance costs. Track tension is easily adjusted with grease gun.
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.
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 248 ltr/min / 65.5 U.S. gal/min at rated engine rpm.

Relief valve setting 4,050 psi 27.9 MPa / 285 kg/cm²
Control valves:
Spool control valves for SIGMADOZER or straight tilt dozer
Positions:
Blade lift Raise, hold, lower, and float
Blade tilt Right, hold, and left
Rear attachment Raise, hold, and lower
Spool control valves for Power Angle Tilt dozer
Positions:
Blade lift Raise, hold, lower, and float
Blade tilt Right, hold, and left
Blade angle Right, hold, and left
Rear attachment Raise, hold, and lower
Hydraulic cylinders Double-acting, piston
Number of cylinders - SIGMADOZER Straight Tilt Dozer: Bore:
Blade lift - 2 3.3" 85 mm
Blade tilt - 1 4.9" 125 mm
Blade angle - 2 N/A
Ripper lift - 1 4.9" 125 mm
Pitch angle - 1 39° - 53°
Number of cylinders - Power Tilt Dozer: Bore:
Blade lift - 2 3.5" 90 mm
Blade tilt - 1 5.1" 130 mm
Blade angle - 2 4.3" 110mm
Ripper lift - 1 4.9" 125 mm
Pitch angle - 1 52° - 58°
Hydraulic oil capacity (refill): 14.5 U.S. ga 55 ltr
Ripper equipment (additional volume):
Multi-shank ripper 1.8 U.S. ga 7 ltr
SERVICE REFILL CAPACITIES
Fuel tank 109.6 U.S. gal 415 ltr
Coolant 14.3 U.S. gal 54 ltr
Engine 6.6 U.S. gal 25 ltr
Torque converter, transmission, bevel gear, and steering system 12.7 U.S. gal 48 ltr
Final drive (each side):
D65EX-17 4.4 U.S. gal 16.5 ltr
D65EX-17 with PAT 4.4 U.S. gal 16.5 ltr
D65PX-17 5.8 U.S. gal 22 ltr
D65WX-17 5.8 U.S. gal 22 ltr

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