Categories ↠ Crawler Dozers ↠ Komatsu D61EX-12

Komatsu D61EX-12 Crawler Dozer

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.

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Dimensions

Height - Top of Cab	10.30 ft (3.14 m)
Length of Track on Ground	10.50 ft (3.20 m)
Length w/ Blade	17.90 ft (5.46 m)
Width Over Tracks	6.30 ft (1.92 m)

Engine

Aspiration	Turbocharged
Displacement	506.50 cu in (8,300.07 cu cm)
Engine Model	S6D114E-1
Max Torque	578.30 lbs ft (784.06 nm)
Net Power	152.00 hp (113.35 kw)
Number of Cylinders	6
Power Measured @	1850 rpm
Torque Measured @	1300 rpm

Hydraulic System

Pump type	closed center load sensing
Relief Valve Pressure	2987.8 psi

Operating Specifications

Alternator Supplied Amperage	35 amps
Cooling System Fluid Capacity	11.70 gal (44.28 l)
Engine Oil Capacity	5.10 gal (19.30 l)
Final Drives Fluid Capacity	7.60 gal (28.77 l)
Fuel Capacity	83.30 gal (315.29 l)
Hydraulic Fluid Capacity	12.70 gal (48.07 l)
Operating Voltage	24 volts
Operating Weight	37,258.20 lbs (16,900.06 kg)

Standard Blade

Blade Angle (both directions)	25 degrees
Capacity	4.50 cu yd (3.44 cu m)
Height	47.30 in (120.14 cm)
Width	10.80 ft (3.29 m)

Transmission

Max Speed - Forward	6.50 mph (10.46 kph)
Max Speed - Reverse	8.00 mph (12.87 kph)
Number of Forward Gears	3
Number of Reverse Gears	3
Transmission Type	TORQFLOW

Undercarriage

Ground Contact Area	5,896.30 cu in (96,623.26 cu cm)
Ground Pressure	6.4 psi
Number of Shoes per Side	46
Number of Track Rollers per Side	8
Standard Shoe Size	23.70 in (60.20 cm)
Track Gauge	6.30 ft (1.92 m)

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