1986 CASE 1845B Uni-Loader Skid Steer Loader Parts Catalog (P/N A415559)

• Official 261-page J I Case publication (catalog P/N 8-1852, issued April 1986)
• Documents the 1986 CASE 1845B Uni-Loader skid steer loader, serving as the definitive part-identification reference
• Covers both the 159 spark ignition and 188 diesel engine configurations, including long and short radiator support variants
• Contains over 50 detailed exploded-view diagrams illustrating engine components, fuel systems, and electrical assemblies
• Details specific assemblies such as hydrostatic drive motors, tandem pump controls, drive chain mechanisms, instrument panels, forward and reverse linkages, windshield wipers, backup alarms, and hydraulic oil filters
• Catalogs precise hardware for front and rear harnesses, ignition distributors, Zenith carburetors, Prestolite starters, Nippondenso starters, Delco-Remy alternators, Cessna dual pumps, Sperry-Vickers drive pumps, and exhaust mufflers

Component and System Breakdown

Navigating an older skid steer rebuild or repair requires exact part numbers. This PDF catalog delivers a complete structural breakdown of critical machine systems, starting directly with the 159 spark ignition and 188 diesel powerplants. Chapters group hardware logically by engine sub-system. You will find specific component views for manifolds, cooling components, valve mechanisms, and camshafts. Detailed lists identify exact parts for the cylinder block, oil pump, and oil pan assemblies. The manual also provides necessary dimensions and part numbers for oversized main bearings and piston-related components. On the electrical side, the documentation breaks down starter motor and alternator assemblies, listing every metric hardware specification, diode, and regulator kit required for a factory-correct restoration. To support your troubleshooting workflow, the book features comprehensive wiring diagrams alongside accurate assembly drawings, layout diagrams, and precise cross-sectional views.

Engine and Fuel System Specifications

Fuel delivery systems vary wildly depending on your powerplant. The technical diagrams here include extensive listings for fuel system controls, covering gasoline-specific throttle linkages as well as diesel-specific injection pump drive configurations. For the 188 diesel, the manual details critical nozzle assembly components, highlighting exact stamp codes and precise seal requirements.

Beyond the engine, this manual is vital for resolving complex driveline and fluid issues. It provides step-by-step visual teardowns of the hydrostatic drive circuits and dual pumps. These visuals dictate assembly order. They replace the need for an expensive dealer shop visit. You will find precise hydraulic schematics, routing charts for the front and rear harnesses, and detailed parts identification for the drive chains. For the daily shop routine, having this reference means eliminating the downtime of ordering incorrect aftermarket components. It gives you the exact OEM part numbers needed to keep the machine turning billable hours.

Cooling system sections clearly outline the differences between long and short radiator support configurations. Getting this right is essential for matching hose and shroud assemblies during a rebuild. You will also find documentation for diesel fuel filter assembly head bases, alongside gasket sets for complete engine overhauls, valve clearance data, and seal kits for valve grinds. Starter motor schematics include specific brush sets and solenoid connector details for both fuel types. When identifying these parts for maintenance or a complete engine overhaul, always ensure you follow standard shop safety protocols and verify your procedures with a certified heavy equipment mechanic before beginning the physical work.