Description

Bobcat S185 2008 Service Manual – OEM Factory Repair Specs

You’re a technician or a loader owner who’s tired of guessing which bolt goes where, or worse, pulling a head bolt to spec from some forum and watching it leak coolant three hours later. That frustration ends when you have the Bobcat S185 2008 Service Manual open on your tool box. I’ve got 28 years as an ASE Master Tech turning wrenches in San Antonio, and I’ve seen what happens when someone skips the factory procedure on these machines. The Bobcat S185 is a solid skid-steer, but the Interlock Control System (BICS) and the hydraulic/hydrostatic setup need the exact pressure and clearance specs from the people who built it. This manual is the original dealer copy, printed in 2008, and it’s 928 pages thick. That’s not a reprint or a third-party compression—it’s the same document Bobcat gave their dealerships.

Safety Instructions: Why Page 1 Matters More Than You Think

Open the manual and you hit the safety section immediately. The OCR excerpt from page 1 lists warnings about hydraulic fluid penetration, lift arm support devices, and battery acid. You see the phrase “Never service the Bobcat Skid-Steer Loader without instructions.” That’s not a suggestion. The manual covers fire prevention in maintenance, operation, electrical, hydraulic system, fueling, and welding. Page 1 also shows the serial number ranges (S/N 530360001 & Above, etc.) so you confirm your loader is covered. If you’ve ever had a lift arm drop because you skipped blocking it properly, you know why this section exists. The manual gives you the approved lift arm support device installation and removal procedure—no shortcuts.

Engine Systems and Fuel Specifications

The engine section isn’t just “check oil” fluff. You get the full ENGINE COOLING SYSTEM procedure: cleaning, checking level, removing and replacing coolant. The FUEL SYSTEM includes fuel specifications, biodiesel blend fuel info, filling the tank, fuel filter replacement, and the critical step of removing air from the fuel system. The ENGINE LUBRICATION SYSTEM gives you an oil chart and the proper way to remove and replace oil and filter. If you use the wrong viscosity, the loader won’t start in cold weather or will overheat in Texas summer. That chart is on page 73 (approx) of the manual. Don’t guess.

Does the Hydraulic Section Cover the BICS System?

Yes, but you need to know the full scope. The HYDRAULIC/HYDROSTATIC SCHEMATICS section is a beast. It includes a glossary of symbols, troubleshooting, cylinder testing and rebuilding for lift, tilt, and Bob-Tach cylinders. There are separate procedures for main relief valve adjustment, hydraulic control valve disassembly, and port relief/anti-cavitation valve work. The BICS system is referenced throughout because it interacts with the electrical and hydraulic interlocks. You’ll also find the HYDRAULIC CASE DRAIN FILTER replacement for single-speed and two-speed loaders. That’s factory data, not aftermarket guesswork.

928 Pages of Factory Data – But Which Sections Matter Most?

I’d say the ELECTRICAL section (though not fully listed in the TOC excerpt, it’s referenced in Fire Prevention and the Remote Start Tool sections) is where most diy guys get into trouble. The manual includes the Remote Start Tool Kit procedures for MEL1563 and kit 6689779, with harness part numbers. If you ever need to diagnostic the control unit, you follow the Remote Start Procedure exactly. The SERIAL NUMBER LOCATIONS help you identify the loader and engine serial numbers—sounds simple, but I’ve seen people order the wrong hydraulic pump because they misread the tag. The SERVICE SCHEDULE chart tells you when to do every maintenance step, not the generic “every 50 hours” you see on the internet.

Get the Right Torque Specs for Wheel Nuts and Pivot Pins

Wheel nuts on a skid-steer need to be torqued correctly or you lose a wheel on the job site. The TIRE MAINTENANCE section covers wheel nut torque, rotation, and mounting. The PIVOT PINS have their own inspection and maintenance procedure. The manual gives you the torque spec in ft-lbs (imperial, as you’d expect for North American production). If you’re doing a final drive transmission (chaincase) oil change, the chart is there. LUBRICATING THE LOADER lists all the grease points. You don’t need to wonder—it’s in the book.

That’s 928 pages of factory data, not a reprint.

Related Manuals You Might Need

• Bobcat S175 S185 Service Manual
• Bobcat S175 S185 2008 Service Manual
• Bobcat S175 2008 Service Manual – OEM Factory Repair Specs

If you’re also working on a different machine that uses a Manual Transmission, keep in mind that the Bobcat S185 uses a hydrostatic drive—no clutch packs or shift forks. But the same principle of using factory specs applies. Another reference for Manual Transmission repair would be a dedicated OEM manual, not a general guide.

FAQ – Bobcat S185 2008 Service Manual

Does this manual cover the Bobcat S185 with BICS system?

Yes. The manual is for serial numbers 530360001 and above, which include the Bobcat Interlock Control System. The safety and hydraulic sections reference BICS interlocks.

Can I use this manual for a Bobcat S175?

Check the related manuals above. The S175 has some shared components, but this specific manual is for the S185 only. Using it on an S175 could give you wrong torque values for the lift arms or hydraulic pump. Get the correct manual for your model.

How many pages and what year?

928 pages. Published in 2008.

Does it include wiring diagrams for the electrical system?

Yes. The ELECTRICAL section is part of FIRE PREVENTION and Remote Start Tool procedures. The manual includes hydraulic/hydrostatic schematics which are electrical-hydraulic. The exact page for the main wiring diagram is not listed in the TOC excerpt, but the content covers the entire electrical system for the loader.

That’s the straight talk. If you’re working on a Bobcat S185 from 2008 and you want the actual factory service manual, not a condensed version or a scanned copy that misses pages, this is it. Access the Factory Manual from AutoRepairManuals and keep it on your tablet or print the sections you need. Your loader will thank you when the lift arms don’t drop and the fuel system doesn’t air-lock.