Engine:
Service, repair, and troubleshooting for the diesel engine
Fuel System:
Fuel injection pump, injectors, filters, and fuel lines
Cooling System:
Radiator, water pump, thermostat, and coolant flow
Lubrication System:
Oil pump, oil filter, lubrication passages, and oil pressure
Electrical System:
Starting motor, charging system (alternator/generator), battery, lighting, and ignition (if applicable to diesel model)
Transmission:
Gearbox operation, overhaul, and repair
Clutch:
Clutch operation, adjustment, and replacement
Power Take Off Pto:
PTO engagement, operation, and service
Hydraulics:
Hydraulic pump, lift arms, control valve, and associated components
Steering:
Steering mechanism, linkages, and repair
Brakes:
Brake system components, adjustment, and repair
Front Axle:
Front axle assembly and steering components
Rear Axle:
Rear axle housing, differential, and final drives
Chassis And Frame:
Frame structure, mounting points, and chassis components
Bodywork:
Fenders, hood, seat, and control panel
Routine Maintenance:
Oil changes, filter replacements, lubrication points, and safety checks
Troubleshooting:
Diagnosis of common problems and their solutions
Engine Overhaul:
Complete engine rebuild procedures, including piston, ring, bearing, and valve service
Transmission Repair:
Gearbox disassembly, inspection, repair, and reassembly
Hydraulic System Repair:
Pump servicing, cylinder repair, and valve troubleshooting
Electrical Diagnostics:
Wiring diagrams, component testing, and fault finding
Brake Adjustment And Repair:
Brake lining replacement, drum/disc servicing, and bleeding procedures
Steering Component Replacement:
Tie rod ends, drag links, and steering box service
Pto And Hitch Adjustment:
Three-point hitch calibration and PTO engagement settings
Depth:
Comprehensive, from basic maintenance to full overhaul and diagnostics
Detail Level:
Detailed step-by-step instructions, torque specifications, clearances, and diagrams
Engine Model:
Typically powered by International Harvester's own BD-154 diesel engine (or similar variants)
Engine Type:
4-cylinder, naturally aspirated, direct injection diesel
Bore X Stroke:
Specifications vary slightly by exact engine variant, typically around 3.74 x 4.33 inches (95 x 110 mm)
Displacement:
Approximately 154 cubic inches (2.5 liters)
Rated Engine Hp:
Around 50-55 HP (gross)
Drawbar Hp:
Approximately 39-42 HP
Pto Hp:
Approximately 44-47 HP
Torque:
Engine torque figures typically in the range of 100-120 lb-ft at rated RPM.
Fuel Injection:
Direct injection, often utilizing Simms or CAV injection pumps.
Fuel Filter Part Number Example:
Consult manual for specific P/N, but common aftermarket for similar engines might be Wix 33030 or Baldwin BF750.
Cooling Type:
Water-cooled
Coolant Capacity:
Approximately 10-12 quarts (9.5-11.4 liters). Consult manual for exact capacity.
Oil Type:
API CE or CD rated diesel engine oil, SAE 30 or 10W-30 depending on climate. Consult manual for specific recommendation.
Oil Capacity:
Approximately 5-6 quarts (4.7-5.7 liters) with filter. Consult manual for exact capacity.
Oil Filter Part Number Example:
Consult manual for specific P/N, but common aftermarket for similar engines might be Wix 51515 or Fram PH8A equivalent.
Transmission Type:
Constant mesh spur gear transmission
Gear Speeds:
8 forward speeds and 2 reverse speeds
Gear Ratios:
Specific ratios are detailed within the service manual for each gear.
Optional Transmission:
Some models may have offered a Creeper gear option for very slow, precise work.
Gear Selection:
Shift lever for main gear selection and a range selector for high/low.
Transmission Oil Type:
API GL-4 rated gear oil, SAE 80W-90 or SAE 90. Consult manual for specific recommendation.
Transmission Oil Capacity:
Approximately 12-15 quarts (11.4-14.2 liters). Consult manual for exact capacity.
Wheelbase:
Approximately 73 inches (1854 mm)
Length:
Approximately 120 inches (3048 mm) overall length
Width:
Varies with tread settings, typically around 65-75 inches (1651-1905 mm) at rear axle
Height:
Approximately 57 inches (1448 mm) to steering wheel, higher to top of operator seat/controls.
Operating Weight:
Approximately 3600-4000 lbs (1633-1814 kg) depending on configuration.
Drawbar Pull:
Capable of substantial drawbar pull, dependent on traction and ballast.
Engine Oil Change Interval:
Typically 50-100 operating hours or annually. Consult manual for exact mileage/hour recommendations.
Fuel Filter Replacement Interval:
Recommended every 250-500 operating hours or as needed if fuel quality is poor. Consult manual.
Air Filter Service:
Inspect and service air cleaner (often oil-bath type) at frequent intervals, especially in dusty conditions. Consult manual for specific cleaning/oiling procedures.
Transmission Oil Change Interval:
Typically every 500-1000 operating hours or annually. Consult manual for exact recommendations.
Hydraulic Fluid Change Interval:
Typically every 500-1000 operating hours or annually. Consult manual for specific recommendations.
Hydraulic Fluid Type:
IH Hy-Tran fluid or an equivalent UTF (Universal Tractor Transmission) fluid is often recommended. Consult manual for exact specifications.
Hydraulic Fluid Capacity:
Approximately 5-7 gallons (19-26 liters) for the combined transmission and hydraulic system. Consult manual for exact capacity.
Common Wear Items:
Clutch wear, PTO engagement issues, hydraulic system leaks, and potential for starter/alternator problems are common for tractors of this age.
Engine Performance Issues:
Potential for hard starting, smoking, or loss of power due to worn injectors, injection pump, or internal engine wear.
Cooling System Issues:
Thermostat sticking, radiator blockage, or water pump seal failure can lead to overheating.