Komatsu Reparaturhandbücher

Komatsu was established in 1921 in Komatsu City, Ishikawa Prefecture, as a spin-off of Takeuchi Mining's machinery workshop. Named after the city, the company grew into the world's second-largest construction equipment manufacturer, with plants and dealers on every continent.

Heavy equipment is Komatsu's core, from D-series bulldozers such as the D155, D375 and D475 to PC-series hydraulic excavators, wheel loaders and the giant HD rigid dump trucks used in mines. Komatsu is known for durable undercarriages, efficient hydraulics and KOMTRAX telematics, which reports machine location, hours and fault codes to owners. Electric-drive mining trucks such as the 730E and 930E haul enormous loads in open-pit mines around the world.

Komatsu service manuals provide complete engine repair and overhaul procedures, hydraulic pump, valve and cylinder rebuilding, powertrain and final-drive work, swing and travel systems on excavators, undercarriage track adjustment, brake and steering circuits, and full electrical and hydraulic schematics. Testing procedures, torque specifications and periodic maintenance charts support correct servicing at every hour interval.

Equipment owners, site maintenance crews and independent plant workshops use these manuals to control downtime and repair costs. Dealers and rebuilders also rely on the documentation when overhauling machines for resale, and restorers of classic Komatsu dozers and loaders value the original specifications. Hydraulic schematic accuracy matters because many machines combine factory and rebuilt components after years of work. Checking wear limits on pins, bushings and cylinders prevents failed parts from causing secondary damage.