This workshop service manual covers International Harvester tractor models 454, 474, 475, 574, and 674, primarily produced in the 1970s. These tractors are recognized for their durability and workhorse capabilities in the agricultural sector, representing a significant line from International Harvester. Known for their robust engineering, these models are equipped with diesel engines and manual transmissions, designed for demanding farm work. This manual details their mechanical systems, including engine, transmission, hydraulic, electrical, fuel, cooling, braking, steering, drive axles, and power take-off systems, providing essential information for maintaining their reliability and performance.
The purpose of this extensive manual is to provide comprehensive guidance for the maintenance, repair, and troubleshooting of the International Harvester 454, 474, 475, 574, and 674 tractor models. It includes detailed, step-by-step repair instructions, overhaul procedures for major components, diagnostic guides, and routine maintenance schedules. The manual is designed for professional technicians, farm mechanics, and advanced DIY enthusiasts, offering practical repair information, detailed diagrams, and troubleshooting solutions. By utilizing this resource, owners can perform maintenance and repairs themselves, ensuring the longevity and optimal performance of their equipment.
Make:
International Harvester
Model:
454, 474, 475, 574, 674
Product Type:
Workshop Service Manual / Repair Manual
Target Audience:
Professional technicians, farm mechanics, serious DIY enthusiasts
Content Focus:
Practical repair and service information, detailed diagrams, troubleshooting guides
Benefit To Owner:
Enables owners to perform maintenance and repairs themselves, saving on labor costs.
Covered Models:
International Harvester Tractor 454, 474, 475, 574, 674
Estimated Pages:
Hundreds of pages (actual count not specified, but described as extensive)
Type:
Workshop Manual, Service Manual, Repair Manual, Factory Service Manual
Delivery Format:
PDF Download
Engine:
Engine overhaul, repair, maintenance, troubleshooting
Transmission:
Transmission repair, maintenance, overhaul, operation
Electrical System:
Wiring diagrams, electrical system troubleshooting, component testing
Hydraulic System:
Hydraulic system repair, maintenance, troubleshooting, component identification
Fuel System:
Fuel system components, maintenance, troubleshooting, pump and injector service
Cooling System:
Radiator, fan, thermostat, water pump service and maintenance
Braking System:
Brake component service, adjustments, troubleshooting
Steering System:
Steering mechanism repair and maintenance
Drive Axles And Differentials:
Axle and differential maintenance and repair
Power Takeoff Pto:
PTO system service and maintenance
Chassis And Frame:
Frame inspection and repair, component mounting
Body And Cab:
Body panel repair, cab maintenance, door and window service
Routine Maintenance:
Periodic maintenance charts, lubrication, fluid checks, filter replacement
Step By Step Repairs:
Detailed, step-by-step repair instructions for all major components
Troubleshooting:
Comprehensive troubleshooting guides for common and uncommon issues
Overhaul Procedures:
Engine and major component overhaul procedures
Diagnostics:
Diagnostic procedures for identifying faults and malfunctions
Wiring Diagrams:
Inclusion of detailed wiring diagrams
Depth:
Designed for professional technicians, but suitable for advanced DIY mechanics
Scope:
Covers routine maintenance through complete engine and component rebuilds
Printable:
Full Printable
Zoom Capability:
Zoom IN/OUT enabled
Binding:
Digital (Instant Download)
Paper Type Suitability:
Printable on standard paper for workshop use, can be discarded after use
Engine Options:
Likely to cover diesel engines; specific displacements and cylinder counts would be detailed within the manual (e.g., 3-cylinder or 4-cylinder diesel engines common in this era of IH tractors).
Horse Power Torque:
Specific HP and torque figures are model-dependent and will be detailed in the manual.
Injection System:
Details on injection pump and injector service will be provided.
Gearbox Type:
Likely manual transmission with multiple gears (e.g., 8-speed or 16-speed options including creeper gears).
Power Takeoff Pto Options:
Details on PTO engagement and maintenance.
Operating Weight:
Varies by model; manual will contain specific weight specifications.
Fluid Capacities:
Engine oil, coolant, hydraulic fluid, transmission oil capacities will be specified.
Braking System Description:
Serviceable braking systems, likely hydraulic or mechanical.
Operator Safety:
Manual will cover safety precautions for operation and maintenance.
Features:
N/A - these are agricultural tractors with basic instrumentation.
Features:
N/A - these are agricultural tractors.
Engine Oil Change:
Typically 100-250 hours for diesel tractors of this era, exact interval specified in manual.
Hydraulic Fluid Change:
Annually or based on hours of operation, exact interval specified in manual.
Engine Oil:
Likely API CD or CE rated diesel engine oil, SAE 15W-40 or 10W-30 depending on climate. Specific IH specifications will be in the manual.
Hydraulic Fluid:
Likely a universal tractor transmission fluid (UTTF) or IH Hy-Tran fluid. Specific IH specifications will be in the manual.
Transmission Fluid:
Likely shared with hydraulic system (UTTF/Hy-Tran). Specific IH specifications will be in the manual.
Common Wear Items:
Clutch wear, hydraulic pump issues, PTO clutch wear, starter motor problems (common for older diesels).
Oil Filter Example:
Refer to manual for exact part numbers; likely an established aftermarket filter equivalent (e.g., Wix, Baldwin).
Fuel Filter Example:
Refer to manual for exact part numbers.
Air Filter Example:
Refer to manual for exact part numbers.
Manufacturer Legacy:
International Harvester is a historical American manufacturer known for its agricultural machinery.
Tractor Series:
These models represent a significant line of tractors from IH during their production period, likely the 1970s.
Production Years:
These models were primarily produced in the 1970s. Specific year ranges for each model will be in the manual.
Industry Standing:
International Harvester tractors are known for their durability and workhorse capabilities in the agricultural sector.
