KOMATSU PW75R-2 CRAWLER EXCAVATOR

Technical Description

The Komatsu PW75R-2 is a versatile wheeled midi-excavator engineered for efficient performance in a variety of construction and excavation applications. With an operating weight of 18,739.3 lbs (8.5 t), this machine delivers robust stability and maneuverability on job sites. The PW75R-2 is powered by a Komatsu 4D98E-1FB engine, a 4-cylinder diesel unit with a displacement of 202.5 cu in, producing 68 hp (51 kW) at 2300 rpm and 173.4 lb-ft of torque at 1500 rpm. The hydrostatic transmission provides two forward and two reverse gears, allowing for a maximum travel speed of 18.7 mph (29 kph), while the variable displacement axial piston hydraulic pump delivers a flow capacity of 44.2 gpm and a system relief valve pressure of 3843.6 psi. The excavator features a bucket capacity range of 0.2 to 0.4 cu yd, with a reference bucket capacity of 0.4 cu yd, suitable for a wide range of digging tasks. The machine’s dimensions include a wheelbase of 6.8 ft, ground clearance of 1.2 ft, overall width of 7.1 ft, tail swing radius of 5 ft, and a height to the top of the cab of 9.8 ft. The upper structure clearance is 3.5 ft, ensuring safe operation in confined spaces. The swing speed is 10.2 rpm, and the tire size is 7.50-20. The electrical system operates at 12 V, with a 60-amp alternator. The Komatsu PW75R-2 is designed for reliability, ease of maintenance, and high productivity in demanding environments.