Komatsu PC300-7 HPV140 Main Pump: Complete Specifications, Features & Buying Guide (2026)
Aug, 21 2026
Quick Answer The HPV140 main pump is the main hydraulic pump for the Komatsu PC300-7 - a 31-ton-class excavator powered by the Komatsu SAA6D114E engine (operating weight approx. 31,200 kg, bucket capacity approx. 1.4 m3). A variable-displacement piston pump of approx. 140 cc/rev (Kawasaki K3V140 family), it drives the boom, arm, bucket and travel functions. RITO HYDRAULIC supplies the PC300-7 HPV1...