This document is the service manual for the Case 1650M crawler dozer. It provides information on servicing the engine, hydrostatic drive, brakes, hydraulic systems, tracks, cab climate control, electrical systems, dozer blade, tools, platform, and decals. The manual covers models with extra long track and either a bulldozer blade or power angle tilt blade for the North American market, powered by a Tier 4A interim F4HFE6132*A004 engine. It is the second edition, published in November 2017 in the U.S.A., replacing an earlier manual.