This is the factory service manual for the Gehl SL4635 and SL4835 skid loaders, Form No. 907809. Across 184 pages it documents the Deutz F3M1011F and BF3M1011F diesel engines and covers assembly, disassembly, adjustment, testing, and troubleshooting for the whole machine.The content is organized into specifications, safety, lubrication, mainframe, wheel drives, controls, hydrostatic system, hydraulic system, electrical, and engine sections. Schematics, photographs, and line drawings support the repair, test, and adjustment procedures.Owners and independent mechanics use it to chase no-start faults through the safety interlocks, adjust the control linkage and neutral centering, test charge and system pressures, service the drive chains, and pull the engine. The PDF has a text layer and bookmarks, downloads instantly after purchase, and prints on standard paper.
What's Inside This Gehl SL4635, SL4835 Manual
| System | Pages | Key Topics |
|---|---|---|
| Introduction | 2-6 | Manual Purpose and Scope, Procedure Documentation Style, Manual Navigation and Aids, Support and Assistance, Tire Options, Buckets and Capacities, General Information, Signal Words |
| Specifications | 7-8 | Engine, Hydraulic System, Electrical, Tire Options, Buckets and Capacities, General Specifications |
| Safety | 9-16 | - |
| Lubrication | 17-20 | Hydraulic Oil Reservoir, Crankcase Oil, Chaincases, Grease Fitting Locations, General Information |
| Mainframe | 21-42 | Engine Access Cover, Rollover Protective Structure (ROPS), Seat Removal, Restraint Bar, Liftarm, Crossmember |
| Wheel Drives | 43-50 | Drive Chain Adjustment, Drive Chain Removal, Axle Housing Assembly, Axle and Wheel Bearing, Idler Sprocket and Bearing |
| Controls | 51-88 | Control Handle, Crosstube, Neutral Centering Adjustment, Control Arm Assembly, Lift/Tilt Control, Auxiliary Hydraulics Cable |
| Hydrostatic System | 89-102 | Troubleshooting Guide, Case Drain Test, Charge Pressure Test, Hydrostatic Pump Relief Valves, Hydrostatic Pump, Drive Motor |
| Hydraulic System | 103-146 | Troubleshooting Guide, System Pressure Test, Control Valve, Tilt Cylinder, Lift Cylinder, Hydraulic System Schematic |
| Electrical System | 147-158 | Description of Operation, Electrical System Schematic, Glow Control Relay Operation, Relay Test, Restraint Bar Switch Removal and Installation, Seat Switch Removal and Installation |
| Engine | 159-174 | Air Cleaner Assembly Removal and Installation, Battery and Tray Removal and Installation, Engine Removal and Installation, Exhaust Assembly Removal and Installation |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| Axle housing nuts torque | 90 ft-lbs (1120 N•m) | p. 48 |
| Axle nut torque | 150 ft-lbs (200 N•m) | p. 49 |
| Pump arm capscrew torque | 30 ft.-lbs. (40 N•m.) | p. 91 |
| Crosstube shaft end play | 0.03” to 0.06” (0.8 to 1.5mm) | p. 68 |
| Hydraulic oil filter element installation | Hand tighten until gasket contacts filter head, then turn another 3/4 turn | p. 118 |
| Engine Displacement | 2.18 L | p. 7 |
| Hydraulic Reservoir Capacity | 12 US gal | p. 7 |
| Engine Oil Capacity | 8.5 US quarts | p. 7 |
| SL4635 / 4635SX, 4635DXT | ||
| SAE-Rated Operating Load | 1425 lbs | p. 7 |
| Fuel Tank Capacity | 15 US gal | p. 7 |
| SL4835SXT/DXT | ||
| SAE-Rated Operating Load | 1625 lbs | p. 7 |
| Fuel Tank Capacity | 17 US gal | p. 7 |
Gehl SL4635, SL4835 Common Problems This Manual Covers
Engine cranks but will not start
A no-start with the engine cranking is often a safety interlock issue: loose or corroded battery terminals, ignition wiring, or a seat or restraint-bar switch fault. The Electrical System section covers the schematic and switch tests.
Manual Section: Electrical System p. 147No traction drive in either direction
When the loader will not drive at all, the control rod linkage is often disconnected or the neutral-centering mechanism is out of adjustment. The Controls section covers linkage service and neutral centering.
Manual Section: Controls p. 51Lift and tilt feel dead or weak
Weak or unresponsive lift and tilt usually mean low hydraulic oil, an external leak, or oil that is too heavy for the temperature. The Hydraulic System section covers the system pressure test and control valve.
Manual Section: Hydraulic System p. 103Low charge pressure or drive faults
Slow or uneven travel can trace to the hydrostatic charge circuit or pump relief valves. The Hydrostatic System section includes the troubleshooting guide, case drain test, and charge pressure test.
Manual Section: Hydrostatic System p. 89Drive chains loose or worn
Skid loader drive chains stretch and loosen over time, causing slack or uneven tracking. The Wheel Drives section covers drive chain adjustment, removal, and installation.
Manual Section: Wheel Drives p. 43Hard cold starting
Difficult starting in cold weather often points to the glow control circuit or fuel delivery. The Engine section covers air cleaner, battery tray, and engine removal along with related service.
Manual Section: Engine p. 159Frequently Asked Questions
Which models does this manual cover?
It covers the Gehl SL4635 and SL4835 skid loaders, Form No. 907809.
Which engine is covered?
These loaders use the Deutz F3M1011F and BF3M1011F diesel engines. The Specifications section lists the engine, hydraulic, and electrical data. p. 7
Does it cover the hydrostatic drive?
Yes. The Hydrostatic System section starts on page 89 with a troubleshooting guide, case drain test, charge pressure test, and pump and motor service. p. 89
Can it help me adjust the controls?
Yes. The Controls section covers control handle service, neutral centering adjustment, lift and tilt control, and the auxiliary hydraulics cable. p. 51
Are there hydraulic schematics in this Gehl SL4635, SL4835 manual?
Yes. The manual includes hydraulic circuit diagrams, system schematics, and component specifications with pressure ratings.
What do I get after purchasing this Gehl SL4635, SL4835 manual?
A 184-page searchable PDF downloads the moment checkout clears. Open it on your laptop, tablet, or phone, then carry it straight to the shop floor.
Can I print this manual?
No restrictions at all. Print individual pages, full chapters, or the entire manual. The PDF is completely unlocked.
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