D65EX-17 WH

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Engine   
Model    Komatsu SAA6D114E-5* 
Type    4-cycle, water-cooled, direct injection 
Aspiration    Komatsu variable geometry turbocharged, air-to-air aftercooled 
No. of cylinders   
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 9249 / SAE J1349 - Net  205 HP  153 kW 
Hydraulic fan at maximum speed  186 HP  139 kW 
Rated rpm    1950 rpm 
Fan drive type    Hydraulic 
Lubrication system:     
Method    Gear pump, force lubrication 
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 equalizer bar and pivot shaft 
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 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 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"  110 mm 
Ripper lift - 1  4.9"  125 mm 
Pitch angle - 1    52° - 58° 
Hydraulic oil capacity (refill):  14.5 U.S. gal  55 ltr 
Ripper equipment (additional volume):     
Multi-shank ripper  1.8 U.S. gal  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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