Part of the John Deere Repair Manuals.
This 416-page John Deere GX355 Technical Manual (OEM #TM1974) puts the entire Lawn and Garden Tractor at your disposal, from the K71A hydrostatic transaxle down to the last fender bolt. You get complete wiring schematics for chasing electrical gremlins, a full hydraulic schematic for the lift and steering circuits, and page after page of torque values for both inch and metric fasteners. Theory of operation sections walk you through the power train, steering, and brakes the way a factory trainer would, and the troubleshooting charts narrow down faults before you start pulling parts. Set valve clearance correctly and torque the fastener to the metric spec on page 8, not a guess pulled from a forum thread. Your tractor won't fix itself with generic advice; this gives you John Deere's actual repair procedures, section by section. It's bookmarked for fast navigation, so open it on your phone in the shop and jump straight to the system you're working on.
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| Introduction | 3 | Table of Contents, General Diagnostic Information, Specifications, Component Location, System Schematic, Theory of Operation |
| Safety | 4-8 | Recognize Safety Information, Handle Fluids Safely, Servicing Batteries, High-Pressure Fluid Lines, Safe Service Procedures, Avoid Injury From Rotating Blades |
| Specifications and Information | 9-24 | Vehicle Specifications, Inch Fastener Torque Values, Metric Fastener Torque Values, O-Ring Seal Service Recommendations, Diesel Fuel Specifications, Engine Oil |
| Engine | 25-94 | Specifications (Tests and Adjustments Specifications, Repair Specifications, Torque Specifications, Special Tools, Other Materials) |
| Electrical | 95-218 | Reading Electrical Schematics, Component Location, Main Electrical Schematic, Theory of Operation, Tests and Adjustments, Repair |
| Power Train (K71A Hydrostatic) | 219-310 | Hydrostatic Transaxle, Component Location, Theory of Operation, Troubleshooting, Tests and Adjustments, Repair |
| Steering | 311-334 | Specifications, Component Location, Theory of Operation, Troubleshooting, Tests and Adjustments, Repair |
| Brakes | 335-346 | Theory of Operation, Troubleshooting, Diagnosis, Tests and Adjustments, Brake Assembly, Brake Pedal and Linkage |
| Hydraulics | 347-364 | Specifications, Component Location, Hydraulic Schematic, Theory of Operation, Troubleshooting, Repair |
| Attachments | 365-396 | Mower Deck Adjustment Specifications, Mower Deck Repair Specifications, Mower Deck Drive Checks, Mower Deck Levelling, Side-To-Side, Electric PTO Clutch Adjustment, Mower Deck |
| Miscellaneous | 397-408 | Torque Specifications, Front Axle, Steering Spindles, Fender Deck and Tunnel Cover, Fuel Tank |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Wheel Hubs | Straight with Separate 5-Bolt Hubs | p. 12 |
| Fuel Filter | Replaceable, In-line | p. 11 |
| Ignition Interlock Switches | Neutral Start, Operator Presence | p. 12 |
| PTO DRIVE Type | V-Belt | p. 12 |
| Transmission Drive | Double V-Belt | p. 12 |
| Engine Mounting Plate Cap Screws | 36-43 Nm (313 – 381 lb-in.) | p. 30 |
| Engine Mounting Bolts | 54 N•m (40 lb-ft) | p. 30 |
| PTO Clutch: Amperage Draw (Maximum) | 4 Amp | p. 103 |
| Spark Plug Coil: Resistance / Amperage (primary) | 0.8-1.2 ohms/11.5–8.5 amps (per plug) | p. 102 |
| Spark Plug Coil: Resistance / Amperage (secondary) | 1.3-1.7 ohms/7.7–5.9 amps (per plug) | p. 102 |
