Case IH 686 and Hydro 86 Tractors Operator's Manual

Whether you have just bought the Case IH 686 and Hydro 86 Tractors or lost the original booklet, this manual gives you the operating instructions, maintenance guidance and safety information in a digital copy that is easy to search and print.

The document is 86 pages long and is referenced as Part No. 1084556R2.

What you will find inside

• Serial Numbers: Tractor, Hydro 86, Diesel engine, and ROPS serial number recording fields
• Location of controls for both the 686 tractor and the Hydro 86 tractor (including Horn button switch, Hydro 86 only)
• Ground speed charts (Direct Drive and Torque Amplifier, by gear range)
• Fluid capacities: cooling system, crankcase with filter, fuel tank, rear frame
• Engine specifications – Gasoline: IH C-291, 6-cylinder, 291 cu in (4.8L); Diesel: IH D-312, 6-cylinder, 312 cu in (5.1L)
• Engine speeds, valve clearances, breaker point gap, spark timing (gasoline models)
• Power Take-Off (PTO) shaft speeds at rated, high idle, and low idle
• Clutch, foot brakes, and standard tire sizes

Models covered

• 686
• Hydro 86

User help

1. Check the fit first. Compare your model and serial number with the coverage shown above. If you are unsure, message us with those details before ordering and we will help you confirm.
2. Get the file. This is a digital PDF download. Nothing is shipped, so you can start using it as soon as you have the file.
3. Open it anywhere. Use any current PDF reader (Adobe Acrobat Reader, your browser, or a phone or tablet app). Save a copy to your computer and to a backup drive.
4. Find things quickly. Use the contents pages and your reader's search (Ctrl+F or Cmd+F) to jump to a component, fault code or specification. Print only the pages you need for the workshop.
5. Use the maintenance schedule. Follow the recommended intervals and fluids for routine care, and refer to a workshop service manual for the model when you need to go beyond basic maintenance.
6. Stay safe. Repairs on engines, hydraulics, fuel and electrical systems can be dangerous. Follow the safety instructions in the document, use proper tools and support equipment, and follow local regulations.

CASE-IH and all model names are trademarks of their respective owners and are used here only to identify compatibility. This store is an independent seller and is not affiliated with or endorsed by CASE-IH. For informational and maintenance use.