1993 John Deere 750B and 850B Crawler Bulldozers Technical and Repair Manual
Comprehensive technical manual covering John Deere 750B and 850B Crawler Bulldozers, including detailed sections on operation, maintenance, and repair. Publication TM1476.
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John Deere Models Covered & Key Technical Specifications
Models: John Deere 750B, John Deere 850B
Sub-models / Variants: 750B Standard, 750B Long Track (LT), 750B Low Ground Pressure (LGP), 750B Narrow Gauge, 850B Standard, 850B Long Track (LT), 850B Low Ground Pressure (LGP)
Build Years: 1993–1994
Technical Data:
- Engine (750B): John Deere 6068T, 6-cylinder, 6.785 L displacement, turbocharged diesel
- Engine (850B): John Deere 6466A, 6-cylinder, 7.636 L displacement, turbocharged and aftercooled diesel
- Electrical System: 24-volt, 40 amp alternator
- Transmission: Hydrostatic with splitter drive, pressure-lubricated helical gears
- Hydraulic System: Open center, 13 790 kPa (2000 psi) pressure (750B), 15 514 kPa (2250 psi) pressure (850B)
- Track Shoe Count: 37, 40, or 43 depending on configuration
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Technical Scope for the 1993–1994 John Deere 750B and 850B
- Covers the John Deere 750B and 850B crawler bulldozer line, documenting both the 750B and 850B series in standard, long track, low ground pressure, and narrow gauge configurations
- Official John Deere publication TM1476, revised May 1994
- Contains 815 pages of technical data, exploded-view diagrams, and maintenance specifications
- Stored against your account so you can retrieve it after a hard-drive loss
- Full-text search finds any part number in seconds
- This 1994 edition serves as the definitive reference for the B-series overhaul, including updated hydraulic and transmission service parameters not detailed in earlier maintenance guides
Component and Systems Documentation
This 815-page John Deere 750B and 850B service manual provides the complete technical specifications and repair instructions for the 1993–1994 bulldozer line. Detailed chapters document the hydrostatic transmission, engine auxiliary systems, track systems, and operator station components. The publication includes group-specific data on torque values, fuel and lubricant specifications, and safety procedures essential for the maintenance of these units.
Specifications and Reference Values
The 750B engine displacement is listed at 6.785 L in the general specifications table. The 850B cooling system capacity is documented at 34 liters. Track shoe bolt initial torque is specified at 163 N·m for 750B models in the torque table. Users can access what an OEM service publication covers to understand the organizational structure of this technical reference. 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 John Deere 750B and 850B manual provides the essential specifications, diagnostic data, and component-level repair information needed to support the maintenance of 1993–1994 B-series crawler equipment.
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