Target Audience:
Tractor owners with basic mechanical skills, independent service professionals, authorized dealer service departments.
Value Proposition:
Provides dealer-level repair information, enabling cost savings on maintenance and repairs.
Accuracy:
Vehicle-specific, written by manufacturers.
Completeness:
Full service and repair instruction, no missing/corrupt parts.
Usability:
Step-by-step instructions, clear text, combined with illustrations for ease of use.
Engine:
Complete overhaul, tuning, fuel system, lubrication system, cooling system, ignition system (if applicable)
Transmission:
Disassembly, assembly, repair, troubleshooting, fluid specifications
Drivetrain:
Rear axle, differential, PTO (Power Take-Off) system, drive shafts
Hydraulics:
Hydraulic system operation, pump service, cylinder repair, valve body troubleshooting, fluid specifications
Electrical System:
Wiring diagrams, starter, alternator, battery service, lighting system, instrumentation
Steering:
Steering mechanism, linkage repair, power steering system (if equipped)
Brakes:
Brake system service, adjustments, component repair, fluid specifications
Front Axle:
Front axle service, kingpins, wheel bearings
Cooling System:
Radiator, thermostat, water pump, coolant specifications
Fuel System:
Carburetor service, fuel pump, fuel lines, filters
Exhaust System:
Muffler, exhaust pipe service
Body And Frame:
Fender, hood, operator station, chassis service
Maintenance:
Scheduled maintenance, fluid changes, lubrication, filter replacements
Troubleshooting:
Diagnostic procedures for common and uncommon issues, symptom-based troubleshooting charts
Repair:
Step-by-step instructions for component disassembly, reassembly, and adjustment
Overhaul:
Complete engine, transmission, and hydraulic system rebuild procedures
Diagnostics:
Methods for identifying and rectifying faults within various systems
Calibration:
Adjustment and calibration of key components like carburetor, governor, and hydraulic controls
Depth:
Comprehensive: Covers basic maintenance to complete engine and transmission overhauls, including detailed diagnostics.
Detail Level:
Mechanic-level procedures, including detailed specifications and tolerances.
Make:
Allis-Chalmers (likely custom or sourced and branded)
Type:
Diesel (common for the 190 model)
Configuration:
Inline Diesel (typical for this era and model)
Displacement:
Approximately 250-300 cubic inches (Exact specification depends on specific engine variant, e.g., 4-cylinder or 6-cylinder)
Horsepower:
Around 70-80 PTO horsepower (Typical for the 190 series)
Torque:
Specification varies by engine variant, but designed for heavy draft work.
Injection Type:
Direct Injection (common for diesel engines of this era)
Carburetor Type:
N/A (Diesel)
Type:
Water-cooled, pressurized
Oil Type:
Diesel Engine Oil (e.g., SAE 30 or 15W-40 depending on climate and specification, manual will provide precise grades).
Length:
Approximately 135-145 inches (Model dependent)
Width:
Approximately 70-80 inches (Configurable based on tire size)
Height:
Approximately 75-85 inches (to top of steering wheel/dashboard)
Operating Weight:
Approximately 5,000 - 6,000 lbs
Wheelbase:
Approximately 85-90 inches
Engine Oil Change:
Typically every 100-250 operating hours or annually (precise interval in manual).
Air Filter Cleaning:
As needed based on operating conditions, daily inspection recommended.
Fuel Filter Replacement:
At recommended intervals or when experiencing fuel delivery issues.
Hydraulic Fluid:
Allis-Chalmers THF, or equivalent Universal Tractor Transmission Oil (UTTO) meeting specific viscosity and performance requirements. Manual will list exact specifications and capacities.
Coolant:
Ethylene Glycol based antifreeze solution, mixed 50/50 with distilled water. Manual will specify type and capacity.
Common Wear Items:
Clutch wear, hydraulic pump performance degradation, front axle kingpin wear, potential seal leaks in transmission and hydraulics.
Electrical System:
Wiring harness degradation over time, starter and alternator reliability can be issues if not maintained.
