- Category: Crawler Dozers ➔
- Manufacturer: Komatsu ➔
- Model: D65EX-12 ➔
Komatsu D65EX-12 crawler dozer is a medium-size tracked bulldozer used for grading, earthmoving, site preparation, and material handling in construction, mining, and roadwork applications. It features a Komatsu diesel engine, hydrostatic transmission, and a heavy-duty undercarriage designed for traction and stability on uneven terrain. The D65EX-12 is commonly equipped with a semi-U blade or straight blade, depending on configuration, and supports precise dozing and finish grading. Operator controls, visibility, and service access are designed for efficient daily operation and maintenance. The model is part of Komatsu's D65 series of crawler dozers.
Dimensions
| Height - Top of Cab | 10.40 ft (3.17 m)
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| Length of Track on Ground | 8.80 ft (2.68 m)
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| Length w/ Blade | 17.90 ft (5.46 m)
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Engine
| Aspiration | Turbocharged
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| Displacement | 673.80 cu in (11,041.63 cu cm)
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| Engine Model | S6D125E-2
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| Max Torque | 723.60 lbs ft (981.06 nm)
|
| Net Power | 190.50 hp (142.06 kw)
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| Number of Cylinders | 6
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Hydraulic System
| Pump Flow Capacity | 55.50 gpm (210.07 lpm)
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| Pump type | Double acting piston
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| Relief Valve Pressure | 2987.8 psi
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Operating Specifications
| Cooling System Fluid Capacity | 13.80 gal (52.23 l)
|
| Engine Oil Capacity | 10.10 gal (38.23 l)
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| Final Drives Fluid Capacity | 6.40 gal (24.22 l)
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| Fuel Capacity | 107.30 gal (406.13 l)
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| Hydraulic Fluid Capacity | 14.60 gal (55.26 l)
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| Operating Voltage | 24 volts
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| Operating Weight | 36,453.50 lbs (16,535.05 kg)
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Standard Blade
| Capacity | 7.40 cu yd (5.66 cu m)
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| Height | 56.20 in (142.75 cm)
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| Width | 11.40 ft (3.47 m)
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Transmission
| Max Speed - Forward | 3.90 mph (6.28 kph)
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| Max Speed - Reverse | 5.00 mph (8.05 kph)
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| Number of Forward Gears | 3
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| Number of Reverse Gears | 3
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| Transmission Type | Torqueflow Transmission planetary gear
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Undercarriage
| Ground Contact Area | 5,058.50 cu in (82,894.15 cu cm)
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| Ground Pressure | 7.2 psi
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| Number of Shoes per Side | 39
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| Number of Track Rollers per Side | 2
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| Standard Shoe Size | 24.10 in (61.21 cm)
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| Track Gauge | 6.20 ft (1.89 m)
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