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Part of the John Deere Repair Manuals.
Need the factory specs for your John Deere Gator XUV 825i S4? This 752-page Technical Manual (OEM TM121519) PDF breaks down engine, electrical, power train, steering, and brake repair for this Utility Vehicle from the ground up. You get the complete main wiring harness with color codes, splice tables, and terminal tables across every serial number break, plus ECU and VCU pin locations and a full troubleshooting section that walks each DTC, from P0031 through P0116, step by step. Set the spark plug gap to 0.9-1.05 mm, top off the cooling system at 5.0 L, and follow the oil filter interval for the 812 cm3 engine exactly as John Deere specifies. No more guessing why the diagnostic light won't clear. It's bookmarked by section, so you can jump straight from cover to error codes without hunting through 752 pages.
What's Inside This John Deere XUV Gator 825i S4 Manual
| System | Pages | Key Topics |
|---|---|---|
| General Information | 5-26 | Safety Information, Fluid Handling, Battery Explosions, Protective Clothing, Machine Safety, Waste Disposal |
| Engine Repair | 27-110 | Engine Removal and Installation, Cylinder Head Reconditioning, Crankshaft and Piston Assembly, Oil Pump and Seals, Alternator and Starting Motor, Sensor Replacement |
| Electrical Repair | 111-154 | Main Wiring Harness, Wiring Harness Color Codes, Wiring Harness Splice Table, Wiring Harness Terminal Table, Engine Wiring Harness, MFWD Service Kit Wiring Harnesses |
| Power Train Repair | 155-278 | Transmission Oil Change, Drive Clutch Repair, Driven Clutch Repair, Transmission Removal and Installation, Axles and Drive Shaft Repair, Mechanical Four Wheel Drive |
| Steering and Brake Repair | 279-354 | Steering Knuckle, Front Wheel Bearing, Ball Joint, Steering Column and Rack, Brake Rotor, Brake Pedal, Park Brake Cable, Lever and Service |
| Miscellaneous Repair | 355-378 | Wheels, Hood Latch and Hood, Front Fascia, Cargo Box and Bumper, Frame Components, Decals |
| Operator's Station Repair | 379-392 | Dash Panel, Front and Rear Seats, Seat Base and Under-Seat Storage Box, Operator's Station Trim, Roll-Over Protective Structure |
| Engine Operation, Tests, and Adjustments | 393-431 | Component Location (Intake, Exhaust, Mounting, Coolant Lines by Serial Number, Block and Head), Theory of Operation, Diagnosis, Tests and Adjustments |
| Electrical Operation, Tests, and Adjustments | 432-638 | General Information, Component Location, Theory of Operation, Diagnosis - DTCs, Wiring Schematics, Electronic Controllers |
| Power Train Operation, Tests, and Adjustments | 639-674 | Component Location (Drive Clutch, Driven Clutch, CVT Belt, Transaxle), Theory of Operation, Diagnosis, Clutch and Transaxle Tests and Adjustments |
| Steering and Brake Operation, Tests, and Adjustments | 675-724 | Component Location (Steering Rack, Master Cylinder, Calipers, Park Brake), Theory of Operation, Diagnosis, Brake and Steering Tests and Adjustments |
| Miscellaneous Operation, Tests, and Adjustments | 725-736 | Component Location (Cargo Box Lift, Cab Accessories), Tests and Adjustments |
| Service Tools | 737-752 | Service Tools and Kits |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Engine Displacement | 812 cm3 (49.5 in.3) | p. 25 |
| Spark Plug Gap | 0.9–1.05 mm (0.035–0.041 in.) | p. 25 |
| Cooling System Capacity (including recovery tank) | 5.0 L (5.2 qt.) | p. 25 |
| Fuel System Pressure | 315–345 kPa (45.6–50.4 psi) | p. 25 |
| Battery Cold Cranking Amps @ -18° C (0° F) | 480 amps | p. 25 |
| Drive Belt Width (Nominal) | 31.75 mm (1.25 in.) | p. 25 |
| Fuel Tank Capacity | 20.1 L (5.3 gal) | p. 26 |
| Crankcase Capacity (with Filter) | 2.2L (2.3 qt.) | p. 26 |
| Transmission Oil Capacity | 4.3 L (4.5 qt.) | p. 26 |
| EMFWD Front Differential Capacity | 660 mL (22 oz.) | p. 26 |
