Introduction to Your Manual Set
This manual set provides essential information for the maintenance, repair, and operation of Ford Tw5, Tw15, Tw25, and Tw35 series tractors. It is designed to assist owners, operators, and service technicians in understanding the various systems and procedures required to keep these tractors in optimal working condition.
The set typically includes three types of manuals, each serving a distinct purpose:
- Service Manual: Focuses on repair, overhaul, and troubleshooting procedures.
- Operator's Manual: Covers basic maintenance, operational guidelines, fluid types, quantities, and adjustments.
- Parts Catalog: Provides exploded views, part names, and factory (OEM) part numbers for identification and ordering.
Understanding Manual Types
To effectively use this manual set, it is important to select the correct manual based on your specific needs. Each manual type offers detailed information tailored to different tasks.
Service Manual
The Service Manual is your primary resource for in-depth repairs and system overhauls. It contains detailed instructions, specifications, and diagnostic procedures for complex issues. This manual is crucial for addressing mechanical failures, performing engine rebuilds, or troubleshooting electrical problems.
Operator's Manual
The Operator's Manual is intended for daily use and routine maintenance. It provides guidance on safe operation, recommended service intervals, fluid capacities, and basic adjustments. Refer to this manual for information on starting procedures, control functions, and general care to ensure longevity and performance of your tractor.
Parts Catalog
The Parts Catalog is indispensable for identifying and ordering replacement components. It features exploded diagrams that illustrate how various assemblies fit together, along with corresponding part numbers. This ensures you can accurately identify and procure the correct OEM parts for your Ford tractor.
Service Manual Content Overview (Volume 1)
Volume 1 of the Service Manual covers fundamental systems and components of the Ford Tw5, Tw15, Tw25, and Tw35 tractors. Key sections include:
- Specifications: Detailed technical data for various tractor components.
- Engine Systems: Information on engine operation, maintenance, and repair.
- Fuel System: Diagrams and procedures for fuel delivery and injection.
- Electrical System: Wiring diagrams, component locations, and troubleshooting for electrical circuits.
- Clutches: Adjustment and repair procedures for clutch mechanisms.
- Transmission System: Details on gear identification, power flow, and hydraulic controls.
- Power Take-Off (PTO): Maintenance and repair of the PTO system.

Figure 1: Index of Service Manual Volume 1. This image displays the table of contents for the first volume, listing major sections such as Specifications, Engine Systems, Fuel System, Electrical System, Clutches, Transmission System, and Power Take-Off, along with their starting page numbers.

Figure 2: Engine Systems Overview. This image shows detailed diagrams from Chapter 1, Part 1 (Engine Systems), illustrating components like the engine, air cleaner, and turbocharger assembly, with numbered callouts for identification.

Figure 3: Electrical System Instrumentation. This image presents diagrams from Chapter 1, Part 3 (Electrical Systems), detailing the tractor's instrumentation panel, ignition load relay, and air cleaner restriction warning light system, with numbered components.

Figure 4: Transmission System Details. This image illustrates diagrams from Chapter 1, Part 5 (Transmission Systems), focusing on gear identification and the power flow and gear shift positions within the tractor's transmission.

Figure 5: Dual Power and Clutch Oil Flow. This image shows diagrams from Chapter 2, Part 5 (Transmission Systems), detailing the dual power planetary gear set and the oil flow to the direct drive clutch, crucial for understanding transmission operation.

Figure 6: Transmission Hydraulic System. This image displays diagrams from Part 5 (Transmission Systems), illustrating the hydraulic system and lubrication pressure circuits, including the regulating valve and removal procedures.
Service Manual Content Overview (Volume 2)
Volume 2 of the Service Manual expands on additional critical systems and components, providing comprehensive repair and maintenance information for the Ford Tw5, Tw15, Tw25, and Tw35 tractors. Key sections include:
- Rear Axle and Brakes: Detailed procedures for servicing the rear axle assembly and braking system.
- Hydraulic System: In-depth information on the tractor's hydraulic circuits, components, and troubleshooting.
- Steering System: Repair and adjustment guidelines for the steering mechanism.
- Front Axle: Maintenance and service instructions for the front axle assembly.
- Ford Tractor Safety Cabs and Platforms: Information related to the structural integrity and safety features of the operator's environment.
- Separating The Tractor: Procedures for safely disassembling and reassembling major tractor sections.
- Accessories and General: Information on various tractor accessories and general service topics.

Figure 7: Index of Service Manual Volume 2. This image displays the table of contents for the second volume, listing major sections such as Rear Axle and Brakes, Hydraulic System, Steering System, Front Axle, Ford Tractor Safety Cabs and Platforms, Separating The Tractor, and Accessories and General, along with their starting page numbers.
Setup and Initial Use of Manuals
To begin using your AgPubs Ford Tractor Manual Set:
- Identify Your Task: Determine if you need to operate, maintain, repair, or identify parts for your tractor.
- Select the Correct Manual: Choose the Service, Operator's, or Parts Catalog based on your task.
- Locate Relevant Section: Use the index or table of contents within the chosen manual to find the specific topic.
- Review Safety Information: Always read and understand all safety warnings and precautions before beginning any work.
Operating Guidelines (Refer to Operator's Manual)
For detailed operating instructions, always consult the dedicated Operator's Manual. This manual will provide information on:
- Pre-operation checks and safety procedures.
- Starting and stopping the engine.
- Engaging and disengaging the Power Take-Off (PTO).
- Operating hydraulic systems and implements.
- Driving and maneuvering the tractor safely.
- Understanding dashboard indicators and controls.
Maintenance Procedures (Refer to Service and Operator's Manuals)
Regular maintenance is crucial for the longevity and performance of your Ford tractor. Both the Service Manual and Operator's Manual contain vital maintenance information:
- Operator's Manual: Provides schedules for routine checks, fluid level inspections, lubrication points, and basic adjustments.
- Service Manual: Offers detailed procedures for more complex maintenance tasks, such as filter replacements, brake adjustments, and system flushes.
Always adhere to the recommended service intervals and use specified fluids and parts to ensure proper functioning and to prevent premature wear.
Troubleshooting Common Issues (Refer to Service Manual)
When encountering operational problems, the Service Manual is your primary guide for troubleshooting. It typically includes:
- Diagnostic charts and flowcharts to pinpoint the cause of issues.
- Symptoms and potential remedies for various system failures (e.g., engine, electrical, hydraulic).
- Testing procedures for components and circuits.
For minor operational glitches, the Operator's Manual may also offer basic troubleshooting tips.
Specifications
Detailed specifications for the Ford Tw5, Tw15, Tw25, and Tw35 tractors, including engine displacement, power output, fluid capacities, and torque settings, are provided within the Service Manual. Refer to the 'Specifications' section in Volume 1 for precise technical data relevant to your tractor model.
Warranty and Support Information
Information regarding product warranty and direct support contacts for this AgPubs manual set is not provided within the available product details. For any inquiries regarding the manual set itself, please refer to the seller or manufacturer's contact information provided at the point of purchase.