John Deere 675 & 675B Skid Steer Loader Technical Manual (1987-1994)

John Deere 675 & 675B Skid Steer Technical Overview

• Covers 1987–1994 John Deere 675 and 675B skid steer loaders, including engine, drivetrain, hydraulic, and electrical service specifications
• Original OEM publication TM1374, dated September 1994
• Contains 47 technical illustrations and wiring diagram references, plus multiple torque and capacity specification tables
• Indexed PDF search covers every chapter and appendix
• Suitable for printing individual sections for shop-floor use
• This 267-page technical manual serves as the factory reference for maintaining the 675-series skid steer loaders, documenting critical tolerances and maintenance data required for machine service

Technical Content Coverage

The technical documentation provides systematic information for the 675 and 675B models, beginning with safety procedures and general specifications. It details engine removal and installation processes, cooling system maintenance, and fuel/air system service, including control linkage adjustment and fuel transfer pump testing. The power train section documents the hydrostatic pumps, motor operation, drive chains, and axle maintenance. Detailed steering and braking adjustments are presented, followed by hydraulic system diagnostics, main control valve service, and cylinder maintenance. Electrical sections encompass component locations, wiring diagrams, and seat lockout switch testing.

Specification and Reference Data

This manual provides comprehensive technical reference values to ensure proper machine maintenance. The engine cooling system coolant level is documented at 13–25 mm (0.5–1.0 in.) below the filler neck. Intake and exhaust valve clearance for the Yanmar engine is specified at 0.2 mm (0.008 in.) when cold. Relief valve plug torque is documented at 78–80 Nm (55–60 lb-ft). Note: 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. This technical manual is the essential factory-issued reference for the 1987–1994 John Deere 675 and 675B skid steer loaders, providing the specifications needed to maintain these machines for field operation.

Document Reference: TM1374 (Sept 94), Original OEM manufacturer publication