Komatsu PC 40 MR

Overall weight: 4110 kg (approximately 4.1 tons) Standard bucket capacity: 0.14 m³ (optional 0.05–0.16 m³) Engine: Komatsu 4D88E-5, 2.2L direct injection diesel Rated power: 28.5 kW (38.7 horsepower) / 2400 rpm Fuel tank: 65 L; Hydraulic oil tank: 55 L Transport dimensions: 5160 × 1960 × 2550 mm Rear swing radius: 980 mm (tailless design, can rotate against the wall without hitting it) Track width: 350 mm (standard rubber tracks, no damage to the road surface) Minimum ground clearance: 290 mm (good passability) Maximum digging depth: 3350 mm Maximum digging height: 5150 mm Maximum unloading height: 3535 mm Arm side swing: Left 85° / Right 50° (flexible for wall cleaning and trench digging) Travel speed: 2.8 (low) / 4.6 (high) km/h Ground pressure: 26.3 kPa (less likely to get stuck in soft ground)