This workshop service repair manual covers the Lombardini LDW 422, an inline diesel engine designed for robust performance and reliability. With a displacement of 1368 cc, a bore of 88 mm, and a stroke of 112 mm, this liquid-cooled engine produces 33 horsepower (24.3 kW) at 3000 RPM. It features indirect injection and a gear-driven oil pump, adhering to Euro 2 emission standards. The engine is paired with a 4-speed manual transmission, making it suitable for a variety of demanding applications where dependable power is essential. This comprehensive manual provides detailed information for all repairs, covering the LDW 422 engine from A to Z. It includes step-by-step instructions, clear diagrams, illustrations, and wiring schematics to guide users through maintenance and repair procedures. Technical specifications, such as engine oil capacity (5.5 liters) and recommended viscosity (SAE 15W-40), coolant capacity (4.0 liters), and filter types, are readily available. This resource is designed to assist owners, mechanics, and technicians in effectively maintaining and repairing the Lombardini LDW 422 engine, ensuring its continued optimal performance.