Komatsu D65EX-17

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Features

Innovative SIGMADOZER reduces digging resistance and smoothly rolls material up for increased blade loads.
Blade capacity:
5.6 m³ / 7.3 yd³ (for EX)
5.9 m³ / 7.7 yd³ (for WX)

Automatic transmission with lockup torque converter improves fuel consumption.

SAA6D114E-5 variable geometry turbocharged and aftercooled 8.85 liter diesel engine provides excellent fuel economy. This engine is EPA Tier 4 Interim and EU Stage 3B emissions certified.

Komatsu Variable Geometry Turbocharger (KVGT) uses a hydraulic actuator to provide optimum air flow under all speed and load conditions.

Komatsu Diesel Particulate Filter (KDPF) captures 90% of particulate matter and provides automatic regeneration that does not interfere with daily operation.

Rear hydraulics (standard)

Rear view monitoring system (standard)

Advanced diagnostic system continuously monitors machine operation and vital systems to identify machine issues and assist with troubleshooting.

Integrated ROPS cab features:
■ Large, quiet, and pressurized cab
■ Excellent visibility with integrated ROPS structure
■ New heated air-ride seat with 15% higher capacity

Parallel Link Undercarriage System (PLUS) provides up to double the wear life and lower repair & maintenance costs.

Hydrostatic Steering System (HSS) provides smooth, quick, and powerful control in various ground conditions. (Counter-rotation is available when in neutral.)

Self-adjusting idler support provides constant and even idler tension, reducing vibrations and increasing undercarriage life.

Power Angle Tilt (PAT) dozer with manually adjustable blade pitch expands productivity in a variety of applications.

Complete operator control
■ Palm Command Control System (PCCS)
■ Automatic/manual shift selectable mode
■ Shift pattern preset function

Extra-low machine profile provides excellent machine balance and low center of gravity.

Large color monitor
■ Easy-to-read and use large 7" high-resolution multi-color monitor
■ ECO guidance

Enhanced provision for Topcon® machine control (standard) Easy bolt-on finishing kit makes machine Topcon® plug-and-play.

Specifications

Engine    
Model   Komatsu SAA6D114E-5*
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" 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 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" 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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