Komatsu WA350-1 Wheel Loader Shop Manual (P/N SEBM04230107)

• Covers the 1990–2000 Komatsu WA350-1 Wheel Loader (serial numbers 10001 and up).
• Official Komatsu publication P/N SEBM04230107, 1990 edition totaling 781 pages.
• Features 10 sections detailing the engine, chassis, transmission, steering, brake/air, work equipment, and electrical systems.
• Documents factory-authorized specifications for S6D110-1 engine integration and provides a reliable baseline for heavy-duty repair operations.

Component and System Documentation

This workshop publication delivers thorough insights into the structure and function of major vehicle systems. You get the specific operational principles for the engine mount, radiator assemblies, and the complex hydraulic circuitry driving the transmission. Chapters dive into the disassembly and assembly parameters of the turbocharger, fuel injection pump, water pump, and cabin electronics. The manual lays out the solid technical framework required for inspecting, testing, and maintaining these units during any shop-level repair.

Technical Depth and Reference Values

Inside, you will find comprehensive specifications. These include tightening torque values for chassis bolts, nuts, and split flange connections. The document outlines fluid capacities for the engine, transmission, hydraulic system, and cooling system. It also details the maintenance standards for all inspected parts. For the WA350-1, engine compression is strictly specified at a minimum of 28 kg/cm². Fuel injection timing sits at 16° B.T.D.C. according to the engine timing tables. Utilizing these technical specifications facilitates accurate, professional diagnostic reviews. Working on heavy construction machinery carries inherent physical risks; always ensure you have adequate training and observe standard workshop safety protocols before interacting with these systems.