This document is a service manual for Case IH PUMA tractors that contains sections covering the tractor's distribution systems, power systems (primary hydraulic, secondary hydraulic, pneumatic, electrical), electronic systems, power production systems (engine, fuel/injection, air intake, exhaust, cooling, lubrication, starting), powertrain (transmission, reducers, PTOs), travelling systems (axles, steering, brakes, suspension, wheels), body/structure (frame, user platform, environment control), and working arm systems (hitches). The introduction provides safety rules for working on the tractor.