Positioning:
The Allis-Chalmers D-19 Diesel was a versatile and robust utility tractor, popular in agricultural and industrial applications during its production era. This manual serves as an essential resource for owners and mechanics maintaining this classic piece of machinery.
Competitors:
Competed with similar-sized tractors from John Deere, International Harvester, Ford, and Massey Ferguson of its time. Known for its reliability and strong build.
Features:
Powerful diesel engine, robust transmission, versatile hydraulics, and reliable PTO made it a workhorse in its class.
Value:
Offers a cost-effective and efficient alternative to expensive printed manuals, providing immediate access to critical repair and maintenance information.
Engine:
Complete overhaul, troubleshooting, fuel system, cooling system, lubrication system, ignition system (if applicable to diesel, e.g., glow plugs), exhaust system.
Transmission:
Disassembly, assembly, adjustment, troubleshooting, lubrication, hydraulics.
Power Take Off:
PTO operation, maintenance, repair, and troubleshooting.
Hydraulics:
Hydraulic pump, cylinder, valve operation, troubleshooting, fluid specifications, and repair.
Electrical System:
Wiring diagrams, starter, generator/alternator, battery maintenance, lighting, instrument panel.
Steering System:
Mechanism, adjustment, and repair.
Brake System:
Mechanical and hydraulic brake systems, adjustment, and repair.
Front Axle And Steering:
Front axle assembly, steering linkage, and troubleshooting.
Rear Axle And Differential:
Disassembly, adjustment, and repair of the rear axle and differential assembly.
Cooling System:
Radiator, thermostat, water pump, and coolant specifications.
Fuel System:
Fuel tank, filters, injection pump, injectors, and troubleshooting.
Lubrication System:
Oil pump, oil filter, lubrication points, and oil specifications.
Body And Fenders:
Body panel removal and installation, fender adjustments.
Operator Station:
Seat adjustment, controls, and dashboard.
Routine Maintenance:
Engine oil changes, filter replacements, lubrication points, fluid level checks.
Troubleshooting Guides:
Systematic diagnostic procedures for common and uncommon faults.
Disassembly And Assembly:
Detailed step-by-step instructions for component removal and reinstallation.
Adjustment Procedures:
Valve lash, brake settings, clutch engagement, linkage adjustments.
Overhaul Instructions:
Complete engine, transmission, and hydraulic system rebuild procedures.
Specifications And Tolerances:
Precise measurements for engine parts, bearing clearances, bolt torques.
Diagnostic Charts:
Flowcharts for identifying and rectifying specific problems.
Wiring Diagrams:
Detailed electrical schematics for the entire tractor.
Depth:
Comprehensive for experienced mechanics and skilled DIY users, covering everything from basic maintenance to complete engine rebuilds and hydraulic system overhauls.
Engine Make Model:
Allis-Chalmers (specific engine model may vary, often a 201 or similar series diesel)
Displacement:
Approximately 201 cubic inches (3.3 liters) for common variants.
Bore X Stroke:
Refer to manual for specific engine variant (e.g., 3.75 in x 4.50 in)
Compression Ratio:
Refer to manual for specific engine variant (e.g., 18.0:1)
Horsepower:
Approximate rated HP: 48-55 PTO HP (varies by specific engine and tuning).
Torque:
Refer to manual for specific torque figures.
Injection System:
Direct injection, typically with a Bosch or similar inline fuel injection pump.
Fuel Filter Part Number:
Refer to manual or cross-reference for specific filter numbers (e.g., Wix 33372, Baldwin BF7728).
Fuel Delivery:
Primarily mechanical fuel pump.
Oil Capacity:
Approximately 8-10 quarts (7.5-9.5 liters), refer to manual for exact capacity and dipstick reading.
Recommended Oil Viscosity:
Typically SAE 30 or 10W-30 depending on climate and application (consult manual for specifics).
Oil Filter Part Number:
Refer to manual or cross-reference for specific filter numbers (e.g., Wix 51042, Baldwin B73).
Coolant Capacity:
Refer to manual for specific capacity.
Coolant Type:
Ethylene glycol based antifreeze (50/50 mix with distilled water recommended).
Transmission Type:
Manual Synchromesh Transmission with Multiple Gear Ratios.
Optional Transmission:
Some models may have offered variations or auxiliary transmissions; refer to manual for specifics.
Gear Speeds:
Typically 6 or 8 forward gears and 2 reverse gears.
Transmission Fluid Type:
Refer to manual for specific transmission fluid (e.g., GL-4 Gear Oil, Universal Tractor Transmission Oil - UTTO).
Transmission Fluid Capacity:
Refer to manual for specific capacity.
Engine Oil Change:
Typically every 100-200 operating hours or annually (refer to manual for precise intervals).
Transmission Fluid Change:
Typically annually or every 500 operating hours (refer to manual).
Hydraulic Fluid Change:
Typically annually or every 500 operating hours (refer to manual).
Fuel Filter Replacement:
Refer to manual, typically with oil changes or as needed based on fuel quality.
Air Filter Maintenance:
Regular inspection and cleaning/replacement based on operating conditions (dry element or oil bath type).
Engine Oil:
Consult manual for specific API service classification and viscosity. Common recommendations include CD or CE rated oils, or equivalent.
Transmission Fluid:
Refer to manual for specific GL-4 gear oil or UTTO specifications.
Hydraulic Fluid:
Refer to manual for specific hydraulic fluid type. Often a common tractor hydraulic fluid or Type F ATF might be compatible depending on system design.
Common Problems:
Wear in transmission synchros, hydraulic pump wear, potential for injector pump issues, aging electrical components, sealing leaks (engine, transmission, hydraulics).
Troubleshooting Focus:
The manual provides solutions for common issues like hard starting, power loss, hydraulic system inefficiencies, and transmission engagement problems.
