Part of the Case IH Repair Manuals.
Need the factory rebuild data for your Case IH WDX1902 or WDX2302? This 1,572-page repair manual PDF (OEM #87579346) covers the complete Self-Propelled Windrower from engine block to cab roof. Inside you get full wiring diagrams across every cab circuit and header electrical run, hydraulic schematics with fluid routing for the hydrostatic transmission and header lift system, a dedicated error code library, and page after page of step-by-step teardown and rebuild procedures spanning engine, rear axle, brakes, climate control, and platform systems. Torque tables, fluid capacities, and a troubleshooting section round it out. Set the RH Header Lift Relief Valve (L-03) to 3,300 ± 100 PSI; confirm cylinder bore diameters fall between 111.778 and 111.803 mm before you button up the block. Your windrower is down and the season won't wait. Jump to any system with bookmarks, search any spec by keyword, and get back in the field.
What's Inside This Case IH WDX1902, WDX2302 Repair Manual
| System | Pages | Key Topics |
|---|---|---|
| General Information | 53-76 | Precautionary Statements, Safety, Introduction, Product Identification Numbers, Engine Pin Number |
| Engine | 77-250 | Cylinder Block, Cylinder Head, Camshaft, Crankshaft, Connecting Rods, Pistons, Manifolds, Timing Gears |
| Front Mechanical Drive | 251-276 | Planetary Gearbox Drive, Hydraulic Motor, Brake, Hub, Spindle, Ring Gear, Planetary Carrier |
| Hydrostatic Transmission | 277-396 | Ground Drive, Pumps, Motors, Reservoir, Solenoid Valve, Relief Valve, Linkage |
| Brakes and Controls | 397-414 | Brake Assembly, Rotating Disc, Stationary Disc, Primary Disc, Compression Spring, Torque Pin, Power Plate, Hydraulic Motor |
| Hydraulic Systems | 415-592 | Ground Drive Pump, Header Drive Pump, Oil Cooler, RH Accumulator, LH Accumulator, Independent Control Valve Manifold, Draper Control, Header Lift Pumps |
| Rear Axle | 593-640 | Wheel, Axle Shaft, Hub, Axle Support Fork, Extension, Axle Tube, Pivot Pin, Air Spring |
| Climate Control | 641-728 | Compressor, Refrigerant, Refrigerant Oil, External Cab Filter, Recirculation Filter, Condenser, Receiver/Drier, Expansion Valve |
| Electrical Systems | 729-1420 | Alternator, Ammeter, Circuit Breaker, Diode, Fuse, Liquid Crystal Display (LCD), Main Control Module (Xcm), Ohmmeter |
| Header Attachments | 1421-1482 | Cut Height Cylinders, Flow Divider Manifold, Control Valve Manifold, Reel Lift Valve, Hydraulic Hose Routing, Electrical System - Fuse and Relay |
| Optional Equipment | 1483-1524 | A-Pillar Display, Automatic Temperature Control (Atc), Window Screen Kit, Deluxe Mirror, Adjustable Windrow Shield, Hydraulic Reel Drive Kit |
| Platform, Cab and Decals | 1525-1572 | Deluxe Operator's Seat, Seat Suspension System, Seat Air Compressor, Cab Door, Cab Roof, Multi-Function Handle (Mfh) |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| RH Header Lift Relief Valve (L-03) Pressure Adjustment | 3300 ± 100 PSI | p. 555 |
| Cylinder Bore Diameters | 111.778 - 111.803 mm (4.4007 - 4.4017″) | p. 81 |
| Engine Bore | 111.8 mm (4.4 in.) | p. 69 |
| Engine Displacement | 7.5 L (456 cu. In.) | p. 69 |
| Engine Oil Capacity (with filter) | 21L (22qts.) | p. 67 |
| Cooling System Capacity | 30 Liters (31 Qts. U.S.) | p. 88 |
| Charge Pump Relief Setting | 20 bar (290 PSI) | p. 70 |
| Refrigerant System Capacity | 2.15 Kg (4.75 lbs.) R134a | p. 644 |
| WDX1902 | ||
| WDX1902 Engine HP | 139 kW (186 hp) | p. 69 |
| Rear Axle Clearance Height (Non-Suspended) | 922 mm (36.3 in.) | p. 595 |
| WDX2302 | ||
| WDX2302 Engine HP | 168 kW (226 hp) | p. 69 |
| Rear Axle Clearance Height (Suspended) | 1001 mm (39.4 in.) | p. 619 |

















