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Komatsu Bulldozer D155A-2

The Komatsu D155A-2 bulldozer is equipped with an SAA6D140E-1 diesel engine producing 300 horsepower at 1800 RPM. The engine displacement is 14.0 liters, delivering a maximum torque of 1600 N·m at 1400 RPM. The hydraulic system features a 350 L/min pump with 240 bar working pressure, controlling the blade, frame, and front attachments. The frame is made of high-strength steel with a bending resistance of 4500 N·m. The front blade measures 4.2 meters wide and 1200 mm high, capable of moving large volumes of soil, sand, and rock. The hydro-mechanical transmission with 6 forward and 3 reverse gears allows precise speed control up to 12 km/h.

The operating weight of the bulldozer is 27.5 tons, and its overall length is 7.8 meters, ensuring stability and maneuverability on rough terrain and challenging conditions. Front and rear axles feature independent differential locks with a load capacity of 12 tons. The cabin includes an ergonomic vibration-absorbing seat and air conditioning for enhanced operator comfort. The dual-circuit hydraulic braking system and adjustable hydraulic steering provide precise control on slopes and rocky terrain. Fuel consumption is approximately 32 liters per hour, and the fuel tank capacity is 400 liters, ensuring high operational efficiency.
WEBSITE: Komatsu Bulldozer D155A-2 Iran