Target Audience:
Owners, operators, mechanics, and technicians working on IH 544 and 656 Hydrostatic Drive Tractors.
Value Proposition:
Provides expert-level guidance to perform repairs efficiently, saving on labor costs and maintaining vehicle condition.
Instruction Style:
Step-by-step instructions with detailed exploded view illustrations.
Accessibility:
Instant download for immediate access on various digital devices (PC, Mac, tablet, smartphone).
Engine:
Detailed specifications, troubleshooting, and repair for various IH diesel and gasoline engines (e.g., C-series, D-series diesel engines).
Hydrostatic Drive System:
Principles of hydrostatics, operation, component identification, testing, troubleshooting, and repair of the hydrostatic transmission and associated components.
Transmission And Drivetrain:
Range transmission, MPH drive components, differential lubrication circuits, adjustments, and servicing.
Hydraulic System:
Hydraulic and differential lubrication circuits, component servicing, troubleshooting, and repair of the tractor's hydraulic system.
Electrical System:
Wiring diagrams, component testing, troubleshooting, and repair of the electrical system (lighting, starting, charging, instrumentation).
Chassis And Frame:
Frame construction, front axle, steering system, and rear axle servicing.
Cooling System:
Radiator, fan, water pump, and thermostat servicing and troubleshooting.
Fuel System:
Fuel tank, lines, filters, and injection pump (diesel) or carburetor (gasoline) servicing and troubleshooting.
Braking System:
Brake system components, adjustments, and repair procedures.
Operator Controls:
Detailed information on hand-controlled and foot-controlled operator stations.
Maintenance:
Routine maintenance checks, lubrication schedules, filter replacements, fluid changes.
Troubleshooting:
Systematic diagnostic procedures for common and uncommon issues.
Repair:
Step-by-step instructions for component removal, disassembly, inspection, repair, and reassembly.
Testing And Adjustment:
Procedures for testing system performance and making necessary adjustments.
Component Servicing:
In-depth procedures for servicing all major tractor components.
Special Tools:
Identification and usage instructions for special service tools required for specific repair procedures.
Depth:
Comprehensive, covering everything from basic maintenance to complete overhaul and diagnostic troubleshooting.
Engine Options:
IH C-200 Diesel (4-cylinder), IH C-152 Gasoline (4-cylinder), IH D-236 Diesel (6-cylinder), IH D-310 Diesel (6-cylinder) - specific engine depends on tractor configuration.
Horsepower Range:
Approximately 40-70 PTO horsepower (varies by engine and model).
Fuel Type:
Diesel, Gasoline (depending on engine variant).
Oil Capacity Estimated:
Refer to manual for specific engine; typically 5-8 quarts for 4-cylinder, 8-10 quarts for 6-cylinder.
Engine Oil Change:
Refer to manual; typically 100-250 operating hours for diesel engines.
Hydraulic Fluid Change:
Refer to manual; typically 500-1000 operating hours.
Engine Oil:
API CD or CE rated diesel engine oil, SAE 15W-30 or 10W-30 (refer to manual for specific viscosity based on ambient temperature).
Hydraulic Fluid:
IH Hy-Tran fluid or equivalent (e.g., John Deere Hy-Gard, Case IH TCH fluid).
Transmission Fluid:
IH Hy-Tran fluid or equivalent.
Coolant:
Ethylene glycol based antifreeze with corrosion inhibitors (50/50 mix with distilled water).
Hydrostatic Drive:
Wear in hydrostatic pump and motor components leading to loss of power or erratic operation; potential leaks.
Hydraulic System:
Leaks from seals and O-rings, control valve issues, pump wear.
Electrical System:
Aging wiring harnesses, starter, and alternator issues common in older equipment.
Engine:
Wear on valve seats, injector pump issues (diesel), carburetor issues (gasoline), cooling system leaks.
Parts Sourcing:
Parts may require specialized sourcing from aftermarket suppliers or dismantling specialists.
Manufacturer:
International Harvester (IH), a historically significant American manufacturer of agricultural and construction machinery.
Series:
Part of IH's strong lineage of utility and row-crop tractors, known for their robust construction and versatility.
Production Years Estimated:
Likely mid-to-late 1960s through the 1970s.