Your skid loader needs its Hydraloc and lift/tilt checks done before the first bucket of the day, and the Gehl SL4635 and SL4835 operator manual PDF (Form 907808, 86 pages) shows how for seven variants across both series, whether yours runs T-bar, hand and foot, or dual hand controls. Hydraulic schematics and wiring diagrams close out the Service section, so a slow lift cylinder or a dead circuit can be traced on paper before anything gets unbolted. Troubleshooting charts cover electrical, hydrostatic and hydraulic faults, and the maintenance schedule sets intervals for the air cleaner, tire pressures, lift arm pivots and bucket cutting edge. Fill the hydraulic reservoir to 12 US gal (45 L) and torque wheel nuts to 170-180 ft-lbs (231-244 N·m). A made-up wheel nut torque is how a tire leaves the hub. The file is bookmarked and text-searchable, and it prints clean, so your copy can live on the bench and take the grease.
What's Inside This Gehl SL4635, SL4835 Operator Manual
| System | Pages | Key Topics |
|---|---|---|
| International Symbols | 2-3 | Engine Start, Engine Stop, Transmission Temperature, Hydraulic Oil Temperature, Engine Air Filter, Bucket Float |
| Introduction | 4-5 | Skid Loader Models, ROPS/FOPS, T-Bar Control, Hand & Foot Control, Dual Hand Control |
| Model Specifications | 6-8 | Engine, Hydraulic System, Electrical, Tire Options, Buckets and Capacities |
| Checklists | 9-13 | Pre-Delivery, Delivery, Hydraloc System, Drive Control, Lift/Tilt Control |
| Safety | 14-22 | Additional Safety Reminders |
| Controls & Safety Equipment | 23-38 | T-Bar Controlled Loaders, Hand & Foot Controlled Loaders, Dual Hand Controlled Loaders |
| Operation | 39-48 | Loader Operations |
| Adjustments | 49-52 | Loader Raising Procedure, Control Handles, Throttle Lever, Accelerator Pedal, Drive Chains, Electric Auxiliary Controls |
| Lubrication | 53-55 | Hydraulic System Oil, Chaincases, Grease Fittings, Engine Oil |
| Troubleshooting | 56-62 | Electrical System, Hydrostatic System, Hydraulic System |
| Service | 63-77 | Operator Services |
| Maintenance Schedule | 78-81 | Engine Air Cleaner, Engine Oil Level, Hydraulic Oil Level, Tire Pressures, Lift Arm Pivots, Bucket Cutting Edge |
| Torque Specifications | 84 | Unified National Thread, Metric Coarse Thread, Grade 2, Grade 5, Grade 8 |
| Warranty | 85-86 | Genuine Gehl Parts, Labor Costs, Tires, Trade Accessories, Engines, Unauthorized Attachments |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| Battery | 12 volt DC with 950 CCA min. | p. 6 |
| Starter | 12 volt DC (2.3 kW) | p. 6 |
| Wheel Nut Torque | 170-180 ft-lbs (231-244 N·m) | p. 9 |
| Hydraulic Reservoir Capacity | 12 US gal (45 L) | p. 6 |
| Engine Oil Capacity | 8.5 US qts (8 L) | p. 6 |
| Main Hydraulic System Pressure | 2750 psi (190 bar) | p. 6 |
| High-Flow Hydraulic System Pressure | 2500 psi (172 bar) | p. 6 |
| Standard Flow Rate | 19 gpm (72 L/min) | p. 6 |
| Chaincase Oil Capacity | 8 US qts (7,6 L) | p. 6 |
| Travel Speed | 0 to 8.5 mph (0 to 13,7 km/h) | p. 6 |
| SL4635 | ||
| Wheel nut torque | 170-180 ft-lbs (244 N·m) | p. 67 |
| DX models | ||
| High-Flow Rate | 30 gpm (114 L/min) | p. 6 |
Gehl SL4635, SL4835 Common Problems This Manual Covers
Gehl SL4635/SL4835 skid loader engine temperature gauge reads high and engine overheats during loader work
Stop work and go through the engine overheat checks on page 58 before you push the machine again. Use the gauge checks on page 56 to confirm the engine temperature gauge is reading correctly. Check engine oil level against the maintenance schedule on page 78; full capacity is 8.5 US qts (8 L).
Manual Section: Engine Troubleshooting p. 58Skid loader engine turns over on the starter but never fires or will not start
Check the no-start causes in Engine Troubleshooting on page 58 before you run the battery down. Make sure the glow indicator on the instrument panel lights; if it stays dark, trace it with the electrical checks on page 56. Verify the battery meets the 12 volt DC, 950 CCA minimum listed on page 6.
Manual Section: Engine Troubleshooting p. 58Starter will not crank, or instrument panel, hour meter and work lights are dead
Check the battery first. It must be a 12 volt DC unit rated 950 CCA minimum, listed with the starter and 55 ampere alternator on page 6. Then go through Electrical System Troubleshooting on page 56 for the starter, instrument panel, hour meter and work lights. Use the wiring diagram on page 76 to trace a dead circuit.
Manual Section: Electrical System Troubleshooting p. 56Hydraloc system lock solenoids not responding, attachment will not lock or unlock on command
Test the Hydraloc system using the checklist on page 9 so you know exactly which function fails. Then check the lock solenoids with Electrical System Troubleshooting on pages 56 and 57. Trace power to the solenoids on the wiring diagram on page 76.
Manual Section: Electrical System Troubleshooting p. 56Lift arm cylinders slow or jerky, bucket drifts, or loader has no down pressure
Check hydraulic oil level against the maintenance schedule on page 78 and top up following the Hydraulic System Oil section on page 53. Reservoir capacity is 12 US gal (45 L) per page 6. Then go through Hydraulic System Troubleshooting for slow cylinder action, jerky action, bucket drift and no down pressure. Inspect the lift arm pivots on the same schedule.
Manual Section: Hydraulic System TroubleshootingHydrostatic drive sluggish, overheating or noisy, or one side of the loader will not drive
Check hydraulic oil level against the maintenance schedule on page 78 before anything else. Then go through Hydrostatic System Troubleshooting for sluggish response, overheating, noise and right or left side drive failure. Inspect drive chain adjustment following page 49 and check chaincase oil per Lubrication on page 53; chaincase capacity is 8 US qts (7,6 L).
Manual Section: Hydrostatic System TroubleshootingFrequently Asked Questions
Why will a Gehl SL4635 not move or lift?
If the loader does not move or lift, it may be due to the interlock system. The engine will not start and the lift, tilt, and drive circuits will not operate unless the operator is sitting on the seat, the restraint bar is lowered, and the starter key switch is in the 'run' position. p. 9
What are the Gehl SL4635, SL4635SX, SL4635SXT, SL4635DXT, SL4835SXT, SL4835DXT, SL4835 fuel filter replacement specs?
The replacement part number for the fuel filter cartridge is 132024. This is a spin-on type filter located on the left side of the engine, in front of the battery. p. 63
What is the required torque for the wheel nuts on the SL4635 and SL4835?
The wheel nuts must be torqued to 170-180 ft-lbs (231-244 N·m). This should be checked every 100 hours of operation. p. 67
What's the hydraulic reservoir capacity on Gehl SL4635, SL4635SX, SL4635SXT, SL4635DXT, SL4835SXT, SL4835DXT, SL4835?
The hydraulic reservoir has a capacity of 12 U.S. gallons (45 liters). p. 53
How often should the chaincase oil be changed?
The chaincase oil should be changed every 500 hours or annually. Each chaincase requires 8 U.S. quarts (7.6 liters) of SAE motor oil. p. 54
Is this Gehl SL4635 manual a download or a disc?
One searchable PDF covering 86 pages, delivered instantly. No disc, no shipping, no waiting on the post.
Is this Gehl SL4635 manual print-friendly?
Yes. Print the pages or sections you need for your own shop use. Any standard printer works.
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