- Category: Crawler Dozers ➔
- Manufacturer: Komatsu ➔
- Model: D61EX-12 ➔
The Komatsu D61EX-12 Crawler Dozer sets new standards for power and performance in the construction industry. Equipped with a turbocharged engine with a displacement of 506.5 cubic inches, this machine delivers a net power of 152 horsepower at 1850 rpm, ensuring efficient operation on any job site. The closed center load sensing hydraulic system with a relief valve pressure of 2987.8 psi provides precise control and handling, while the TORQFLOW transmission offers smooth transitions between the three forward and reverse gears. With an operating weight of 37258.2 pounds and a fuel capacity of 83.3 gallons, the D61EX-12 is a reliable and durable choice for heavy-duty tasks.
General Specifications
Dimensions
Height - Top of Cab | 10 ft (3 m)
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Length of Track on Ground | 11 ft (3 m)
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Length w/ Blade | 18 ft (5 m)
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Width Over Tracks | 6 ft (2 m)
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Engine
Aspiration | Turbocharged
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Displacement | 507 cu in (8,300 cu cm)
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Engine Model | S6D114E-1
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Max Torque | 578 lbs ft (784 nm)
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Net Power | 152 hp (113 kw)
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Number of Cylinders | 6
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Power Measured @ | 1850 rpm
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Torque Measured @ | 1300 rpm
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Hydraulic System
Pump type | closed center load sensing
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Relief Valve Pressure | 2987.8 psi
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Operating Specifications
Alternator Supplied Amperage | 35 amps
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Cooling System Fluid Capacity | 12 gal (44 l)
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Engine Oil Capacity | 5 gal (19 l)
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Final Drives Fluid Capacity | 8 gal (29 l)
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Fuel Capacity | 83 gal (315 l)
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Hydraulic Fluid Capacity | 13 gal (48 l)
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Operating Voltage | 24 volts
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Operating Weight | 37,258 lbs (16,900 kg)
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Standard Blade
Blade Angle (both directions) | 25 degrees
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Capacity | 5 cu yd (3 cu m)
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Height | 47 in (120 cm)
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Width | 11 ft (3 m)
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Transmission
Max Speed - Forward | 7 mph (10 kph)
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Max Speed - Reverse | 8 mph (13 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 | TORQFLOW
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Undercarriage
Ground Contact Area | 5,896 cu in (96,623 cu cm)
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Ground Pressure | 6.4 psi
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Number of Shoes per Side | 46
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Number of Track Rollers per Side | 8
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Standard Shoe Size | 24 in (60 cm)
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Track Gauge | 6 ft (2 m)
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