Part of the John Deere Repair Manuals.
Pump and motor efficiency tests, shaft seal replacement, and full removal sequences cover the hydrostatic drive in the John Deere 3375 technical manual PDF, factory number TM1565, 283 pages written for the 3375 skid steer loader. Electrical diagnostics run through the middle third of the book, with circuit drawings that trace the cranking, glow plug, charging, and hydraulic boom lockout paths wire by wire. Hydraulics closes it out: charge pump flow testing, system relief valve pressure checks, and boom and bucket cylinder rebuilds, plus schematics for the loader valve circuit. Ream the rear cover bushing to 12.50 to 12.53 mm, torque the cylinder head in three passes ending at 34 N-m, and run a 10 micron no-bypass filter. Bookmarked, searchable, and cheap to print, so the pages can live on the bench and take some grease.
What's Inside This John Deere 3375 Manual
| System | Pages | Key Topics |
|---|---|---|
| General Vehicle Specifications | 9-10 | Engine Specifications |
| Unified Inch Torque Values | 11 | Grade 1 Torque Values |
| Metric Torque Values | 12 | Class 4.8 Torque Values |
| Diesel Fuel Specifications | 13 | Diesel Fuel Storage (Do Not Store Diesel Fuel in Galvanized Containers) |
| Lubricant Specifications | 14-15 | Engine Oil, Grease, Transmission and Hydraulic Oil, Alternative Lubricants, Synthetic Lubricants, Oil Filters, Lubricant Storage, Engine Coolant |
| Serial Number Location and Engine Specifications | 16-37 | Engine Serial Number, General Specifications, Theory of Operation |
| Troubleshooting and Tests | 38-59 | Troubleshooting, Tests and Adjustments |
| Diesel Engine Component Repair | 60-130 | Component Repair, Removal and Installation |
| Electrical | 131-190 | Electrical Diagnostic Information, Power Circuit Operation, Cranking Circuit, Charging and Alternator Light Circuit, Glow Plug Circuit, Hydraulic Boom Lockout Circuit |
| Gear Power Train | 191-208 | Drive Chain Replacement, Idler Assembly, Axle Removal, Axle Inspection, Drive Chain Installation, Drive Chain Tension Adjustment |
| Hydrostatic Power Train | 209-236 | Hydrostatic Pump Efficiency Test, Motor Efficiency Test, Hydrostatic Pump Removal, Hydrostatic Motor Removal, Shaft Seal Replacement |
| Steering | 237-243 | Theory of Operation, Troubleshooting, Drive Control Lever Neutral Adjustment, Drive Control Fast Speed Adjustment |
| Brakes | 244-251 | Park Brake Check, Park Brake Adjustment, Sprocket Wheel Replacement |
| Hydraulics | 252-283 | Hydraulic System Components, Charge Pump Flow Test, System Relief Valve Pressure Test, Boom Cylinder Repair, Bucket Cylinder Repair |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Hydraulic system filter | 10 micron | p. 211 |
| Rocker Arm Cover Special Nut Torque | 18 N•m (160 lb-in.) | p. 22 |
| Rocker Arm Assembly Mounting Cap Screw and Nut Torque | 26 N•m (226 lb-in.) | p. 22 |
| Hitachi 0.8 kW Maximum Starter Amperage | 60 Amps at 7000 rpm | p. 29 |
| Rear cover bushing ream diameter | 12.50 - 12.53 mm (0.492 - 0.493 in.) | p. 111 |
| Fuel Injection Nozzle Mounting Nut Torque | 40 N•m (30 lb-ft) | p. 11 |
| Fuel Injection Nozzle Fitting Torque | 40 N•m (30 lb-ft) | p. 11 |
| Hydraulic oil filter element | 10 micron | p. 211 |
| Engine Horsepower | 17 hp @ 3400 rpm | p. 9 |
| Fuel Tank Capacity | 6 U.S. gal. (22.7 L) | p. 9 |
| Hydraulic System Capacity | 34 L (9 gal) | p. 9 |
| Operating Weight | 2200 lb (998 kg) | p. 9 |
