1986 GMC Medium Duty Truck & School Bus Owners Manual X-8601B Supplement X-8608
I ship items out EVERY DAY so EXPECT a QUICK delivery!
Please feel free to ask any questions you may have
I answer most questions instantly!

Acquired 100's of Service & Owners Manuals from Bernie Jones Automotive in Cambridge NE.
After 40+ years and 2 generations the business shut down.