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Komatsu D155A-2 Crawler Dozer

The Komatsu D155A-2 is a powerful Crawler Dozer designed to tackle tough jobs with ease. With a turbocharged engine delivering 320 horsepower and a hydraulic system with a pump flow capacity of 94 gpm, this machine is built for efficiency and productivity. Its standard blade capacity of 12.3 cu yd, along with its operating weight of 76191.8 lbs, make it a versatile and reliable choice for various construction and earthmoving projects. Get to know more about the impressive dimensions, specifications, and performance capabilities of the Komatsu D155A-2 below.


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Dimensions

Ground Clearance1.70 ft (0.52 m)
Height - Top of Cab12.40 ft (3.78 m)
Length of Track on Ground10.40 ft (3.17 m)
Length w/ Blade21.60 ft (6.58 m)
Length w/o Blade17.80 ft (5.43 m)
Width Over Tracks7.10 ft (2.16 m)

Engine

Aspirationturbocharged
Displacement1,175.40 cu in (19,261.40 cu cm)
Engine ModelS6D155-4
Gross Power320.00 hp (238.63 kw)
Max Torque1,040.00 lbs ft (1,410.03 nm)
Number of Cylinders6
Power Measured @2000 rpm
Torque Measured @1400 rpm

Hydraulic System

Pump Flow Capacity94.00 gpm (355.79 lpm)
Pump typegear type
Relief Valve Pressure2000 psi

Operating Specifications

Cooling System Fluid Capacity43.60 gal (165.03 l)
Engine Oil Capacity15.10 gal (57.15 l)
Final Drives Fluid Capacity14.60 gal (55.26 l)
Fuel Capacity158.60 gal (600.30 l)
Operating Voltage24 volts
Operating Weight76,191.80 lbs (34,560.06 kg)

Standard Blade

Capacity12.30 cu yd (9.40 cu m)
Height70.50 in (179.07 cm)
Width13.60 ft (4.15 m)

Transmission

Max Speed - Forward7.40 mph (11.91 kph)
Max Speed - Reverse8.60 mph (13.84 kph)
Number of Forward Gears3
Number of Reverse Gears3
Transmission TypeTORQFLOW

Undercarriage

Number of Carrier Rollers per Side2
Number of Shoes per Side41
Number of Track Rollers per Side7
Standard Shoe Size22.10 in (56.13 cm)
Track Gauge7.10 ft (2.16 m)
Track Pitch9.00 in (22.86 cm)
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