1987 John Deere 550B/555B Crawler Dozer and Loader Technical Manual
Technician-level documentation for John Deere 550B Crawler Dozer and 555B Crawler Loader (1987), covering all systems, procedures, and specifications. Ref: TM-1331
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Models Covered & Key Technical Specifications
Comprehensive Repair Guide: John Deere 550B Crawler Dozer and 555B Crawler Loader (1987) Troubleshooting-Index
John Deere 550B Crawler Dozer and 555B Crawler Loader (TM-1331) -- 1987. Technical-Domain & Reference Manual Edition.
- Calibrated Cold Start Limits: 10°F (-12°C) is rated at providing operational capacity in frigid environments Standards.
- System Velocity Specs: For optimal performance, 2.01 mph (3.23 km/h) is designed for first gear operation Parameters.
- Critical Enclosure Specs: The track frame requires 163 N-m (120 lb-ft) of torque for securing the shoe Architecture.
- Universal Fastener Specs: The steering clutch housing is specified as requiring 325.44 N-m (240 lb-ft) for proper sealing Norms.
- Core Tolerance Values: Engine lubrication is rated at 15 qt. for maintaining optimal internal lubrication Bounds.
- Standard Thermal Rating: The engine coolant capacity is calibrated to 5 gal. for maintaining system thermal integrity Standards.
Professional Workshop Service Manual & Technical Specifications
Comprehensive Repair Guide: John Deere 550B Crawler Dozer and 555B Crawler Loader (1987) Troubleshooting-Index
John Deere 550B Crawler Dozer and 555B Crawler Loader (TM-1331) -- 1987. Technical-Domain & Reference Manual Edition.
This manual provides comprehensive information on the John Deere 550B Crawler Dozer and 555B Crawler Loader, detailing various systems, procedures, and specifications for maintenance and repair. Proper function and longevity are ensured through adherence to documented protocols.
The troubleshooting chapter addresses diagnostics and repair strategies for common issues.
Cooling system maintenance is addressed in sections detailing fluid capacities and component specifications.
Testing requirements are specified for all major systems, including engine, hydraulics, and power train.
Clearance measurements are addressed for critical components such as track links and bearings.
Special procedures are addressed for disassembly and assembly of major assemblies like the torque converter and transmission.
| Assessment-Element | Baseline | Architecture |
|---|---|---|
| Engine | 78 hp | Turbocharged |
| Hydraulic System | 2250 psi | 15 514 kPa |
| Fuel Tank | 36 gal | 136 L |
| SAE Operating Wt. | 13,510 lb | 6126 kg |
| Track Chain Link | 90 mm | 3.54 in. |
| Grouser Bar Height | 48.0 mm | 1.89 in. |
Diagnostic procedures address system checks, component inspections, and fault finding for optimal machine performance. The manual details the integrated function of various machine systems, offering guidance on their operation and maintenance. Torque specifications are included for critical fasteners to ensure proper bolt stretch prevention and secure assembly.
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