Komatsu 07400-40500 Tandem Steering Pump Assembly

The Komatsu 07400-40500 is a hydraulic tandem gear pump assembly designed for the steering and main clutch hydraulic circuits of Komatsu crawler dozers. It features a cast iron housing and gear set engineered for high-pressure durability and precise flow control. The unit integrates dual pump sections to supply independent hydraulic power for steering maneuverability and main clutch engagement. Technical specifications include a maximum recommended operating temperature of 80°C (176°F). The pump weighs approximately 20.0 kg (44 lbs) with physical dimensions of 34.0 cm length, 25.0 cm width, and 21.0 cm height. It serves as a direct replacement for OEM part numbers 07400-40500 and 0740040500.