Essential Spare Parts Reference: Ford 550 Tractor, Loader & ВАСКНОЕ Parts Catalog 1975

Ford 550 Tractor, Loader & Backhoe Service & Repair Manual - 1975

Maintaining and repairing heavy machinery requires factory-level precision to reduce costly downtime and ensure operational safety. This comprehensive technical manual provides the exact diagnostic data and structural insights needed for professional-grade maintenance of the Ford 550. By following these factory-authorized procedures, owners and technicians can ensure every repair meets original manufacturer specifications for long-term reliability.

Model Coverage & Hardware Details:

• Models: Ford 550 Tractor, Ford 550 Loader, Ford 550 Backhoe (1975).
• Engine Configurations: Covers both 3-cylinder Gasoline and Diesel powerplants (e.g., D3NN-6007-L Gasoline and D3NN-6007-AM Diesel engines).
• Transmission Systems: Includes technical data for 6x4 Manual Reversing Transmissions and Torque Converter (T.C.) drive systems.

Professional Benefits:

• Cost Efficiency: Perform in-house diagnostics and parts replacement to eliminate expensive third-party service fees.
• Operational Safety: Ensure critical systems like brakes, steering, and hydraulics are serviced to exact factory standards.
• Maximized Longevity: Utilize precise wear limits and torque values to prevent premature component failure and extend machine life.

What’s Included in This Service Manual Set:

This digital documentation set encompasses the full scope of the Form No. FTO-17242 Parts Catalog (July 1975). It includes 19 primary sections covering everything from the core engine block and transmission to specific Loader and Backhoe attachment components.

Technical Identification & Specifications

• Serial Number Locations: Identification for specific parts applications is found throughout the manual via "Prior to" or "After" Serial No. notations. Primary ID plates containing the VIN and Product ID are typically located on the tractor transmission housing or the radiator support area.
• Factory Specifications (Proof of Depth):
  • Hydraulic Relief Valve Pressure: 1751 P.S.I. (Main Relief) and 1600 P.S.I. (Secondary Relief).
  • Engine Bore (Service Limit): 4.4" Cylinder Block Sleeve standard bore.
  • Thermostat Standards: Rated for 168 Degrees (Standard), with options for 160, 178, and 188 Degrees.
  • Cylinder Head Bolt Torque Sequence Data: Uses specific 1/2-13 x 4.75 Grade hex head bolts for high-tension sealing.

Visual & Diagnostic Features

• Exploded Parts Views: Detailed, numbered illustrations for every major assembly, including the Front Axle, Steering Motor, and 6x4 Manual Transmission.
• System Schematics: Comprehensive layouts for the Hydraulic System (Section 5) and Electrical System (Section 11).
• Diagnostic Visuals: Includes "Numerical Index" for rapid part identification and Form Number references for cross-referencing factory updates.

Contents at a Glance

1. Wheels & Weights
2. Brakes & Controls (Handbrake/Emergency)
3. Front Axle & Power Steering
4. Rear Axle & Differential Lock
5. Hydraulic System (Reservoir, Filters, Pumps)
6. Engine (Cylinder Block, Head, Crankshaft)
7. Transmission (Manual Reversing/Torque Converter)
8. Cooling System
9. Fuel System
10. Loader & Backhoe Specific Components
11. Electrical System & Instrument Panel

Professional Value

This manual provides the essential factory wear limits and service standards required to ensure component longevity. By detailing specific shim thicknesses (e.g., .010" to .025" for relief valves) and bearing tolerances, it allows for the precise calibration of hydraulic and mechanical systems, preventing premature failure and ensuring the machine operates at peak efficiency.