1979 John Deere JD500-C Loader Backhoe Technical Manual TM-1038

Technical Scope and Data for the 1979 John Deere JD500-C

• Built for owners and workshops servicing the 1979 John Deere JD500-C Loader Backhoe including factory maintenance and system diagnostics
• Official OEM publication TM-1038, October 1979 edition
• Contains 435 pages of exploded-view assembly diagrams, hydraulic circuit pressure specifications, and complete electrical wiring schematics
• Delivered as a direct download the moment payment clears
• OCR text layer lets you jump to a torque spec by keyword
• Suitable for printing individual sections for shop-floor use
• This technical manual serves as the primary reference for engine, powertrain, hydraulic, and steering system service on the JD500-C platform

Manual Content Preview

This publication organizes the 1979 John Deere JD500-C technical data into eight logical sections. The general section introduces machine specifications, predelivery service, and separation procedures for the backhoe, loader, and final drives. The engine section provides detailed diagnostic information for the 4-cylinder diesel, covering the fuel system, lubrication, cooling, and the engine balancer assembly. Further sections document the power train, including collar-shift and power-shift transmission configurations, alongside steering and braking systems. The hydraulic section contains extensive data on control valves, cylinders, and system testing methods.

Specification Highlights

The 1979 John Deere JD500-C power system is documented with gross power ratings of 83 hp. The manual lists the hydraulic system pressure at 2350 psi. Cylinder head bolt torque values are documented in a multi-stage sequence, with final-stage values specified at 115–135 ft-lbs in the engine assembly data. The transmission pump flow is specified at 10 gpm for power shift units at 1900 rpm. The cooling system capacity is listed at 19 quarts. All service data shown here is for reference only — qualified technicians and the original OEM documentation remain the authoritative source for any hands-on work.

An official 435-page John Deere OEM technical manual covering the 1979 JD500-C Loader Backhoe, documenting engine, chassis, electrical, and hydraulic specifications for the standard and variant builds.