This comprehensive workshop repair and service manual is a vital resource for anyone looking to repair, maintain, or rebuild Case 850D, 850E, 855D, and 855E crawler models. Offering detailed instructions and insights, this manual provides access to the same information used by professional technicians and mechanics. The manual covers a wide range of topics, including safety rules, general maintenance and lubrication procedures, engine specifications, and detailed repair procedures for various components. It guides through the removal and installation of engines, engine accessories like the air cleaner, ether injection system, muffler, turbocharger, and torque converter, as well as troubleshooting engine stalls. The manual delves into the intricacies of the engine's internal components, including the cylinder head, valve train, cylinder block, pistons, rods, camshaft, main bearings, oil seals, flywheel, and crankshaft. It also covers the lubrication, cooling, and turbocharger systems, providing in-depth analysis of turbocharger failures. Furthermore, it explores the fuel system, encompassing fuel lines, fuel tank, engine controls, and fuel system filters. The manual also provides detailed information on the Bosch fuel injection pump, drive gear, timing, and fuel filters. The electrical system is comprehensively covered, detailing the removal and installation of electrical components, electrical system specifications and troubleshooting, wiring diagrams, gauges, batteries, starter and starter solenoid, and Delco-Remy alternator. This manual is a valuable investment for anyone who wants to confidently handle repairs and maintenance on their Case 850D, 850E, 855D, and 855E crawlers. It equips you with the knowledge and guidance to perform repairs effectively and efficiently, saving time and money in the long run.

The Case 850D, 850E, 855D, and 855E crawler excavators are powerful and versatile machines designed for a range of construction and earthmoving applications. These models are known for their robust build quality, reliable performance, and operator comfort. The 850D and 855D models are equipped with Cummins engines, while the 850E and 855E models utilize FPT engines, all renowned for their fuel efficiency and power output. The machines are equipped with advanced hydraulic systems that provide smooth and precise control, allowing operators to achieve high productivity in demanding conditions. The spacious cab offers excellent visibility, comfortable seating, and ergonomic controls for operator comfort and fatigue reduction. These crawler excavators feature a variety of attachments, including buckets, breakers, and grapples, enabling them to handle a wide range of tasks. The robust undercarriage design, with durable tracks and heavy-duty components, ensures stability and maneuverability even on challenging terrain. The Case 850D, 850E, 855D, and 855E excavators are highly sought-after in the construction, mining, and infrastructure industries. They are renowned for their reliability, efficiency, and versatility, making them a valuable investment for contractors and operators alike. These machines are designed for demanding applications and are built to withstand the rigors of heavy-duty work. With their advanced features and robust construction, these Case crawler excavators offer an optimal combination of performance, productivity, and operator comfort.