Target User:
Farm owners, mechanics, tractor enthusiasts, restoration specialists, DIY repairers.
Manual Value Proposition:
Provides essential technical data for maintaining and repairing a classic tractor, enabling cost-effective upkeep and preserving operational capability.
Manual Benefits:
Empowers users to perform diagnostics and repairs accurately, reducing reliance on external service, and extending the tractor's lifespan.
Engine Systems:
Engine overhaul, tuning, fuel system, lubrication, cooling system, ignition system (if applicable), exhaust system.
Transmission And Drivetrain:
Clutch, gearbox, final drive, differential, PTO (Power Take-Off) system, hydraulic drive systems.
Hydraulic System:
Hydraulic pump, control valves, cylinders, lift arms, associated plumbing, troubleshooting and repair.
Electrical System:
Wiring diagrams, starter, generator/alternator, battery, lighting, instrumentation, troubleshooting.
Chassis And Steering:
Front axle, rear axle, steering gear, linkages, wheel alignment, brake system (mechanical/hydraulic).
Body And Frame:
Frame repair, sheet metal, operator's platform, fenders, controls, mounting points.
Fuel Tank And Lines:
Inspection, cleaning, and repair of fuel delivery system.
Exhaust System:
Component identification, maintenance, and potential repair.
Cooling System Components:
Radiator, water pump, thermostat, hoses, and fan.
Maintenance Procedures:
Routine servicing, lubrication schedules, filter replacement, fluid level checks, tune-up procedures.
Repair Procedures:
Step-by-step disassembly, inspection, repair, and reassembly of all major components and systems.
Troubleshooting:
Diagnostic charts, symptom analysis, common problems and their solutions for various systems.
Technical Adjustments:
Carburetor adjustment, ignition timing, valve clearance, hydraulic pressure settings, clutch adjustment.
Component Identification:
Detailed diagrams and part identification for all major systems.
Overhaul Procedures:
Complete engine, transmission, and hydraulic system overhaul instructions.
Depth Of Coverage:
Comprehensive rebuilds, component-level diagnostics, detailed schematics, torque specifications, alignment data.
Specifications Data:
Includes torque values, clearances, tolerances, fluid capacities, and pressure specifications.
Schematics And Diagrams:
Detailed electrical wiring diagrams, hydraulic schematics, and exploded view parts diagrams.
File Type:
Typically PDF for digital downloads.
Print Clarity:
High resolution for clear diagrams, illustrations, and text, suitable for printing.
Binding:
N/A (Digital Download - user prints and binds if desired)
Paper Recommendation:
N/A (Digital Download - user dependent)
Text Searchable:
Likely yes, for PDF versions, allowing quick retrieval of specific information.
Manual Scope:
Comprehensive coverage for all user-serviceable parts and systems, suitable for professional mechanics.
Engine Make:
Allis-Chalmers
Engine Model:
Typically a 4-cylinder, overhead valve gasoline engine (e.g., G-149) or a diesel engine (e.g., 201-D).
Engine Displacement:
Gasoline: Approx. 149 cu. in. (2.45 L); Diesel: Approx. 201 cu. in. (3.29 L)
Horsepower Gasoline:
Approx. 40-45 PTO HP (Varies by specific engine and tuning)
Horsepower Diesel:
Approx. 45-50 PTO HP (Varies by specific engine and tuning)
Fuel Type:
Gasoline or Diesel, depending on the specific tractor configuration.
Carburetor Gasoline:
Typically a Marvel-Schebler or Zenith carburetor.
Injection System Diesel:
Roosa-Master or similar injection pump and injectors.
Cooling Type:
Liquid-cooled, pressurized system with thermostat and fan.
Gasoline Engine Model:
Allis-Chalmers G-149 (common)
Diesel Engine Model:
Allis-Chalmers 201-D (common)
Oil Pump Type:
Gear-driven oil pump.
Oil Filter Part Number Example:
Cross-reference to common aftermarket filters (e.g., WIX, Baldwin) will be provided in the manual.
Transmission Type:
Constant mesh, sliding gear transmission.
Number Of Gears:
Typically 6 forward speeds and 2 reverse speeds.
Power Take Off Pto:
Standard PTO, typically 540 RPM, with options for live PTO depending on configuration.
Clutch Type:
Single dry plate clutch for transmission engagement; independent clutch for PTO on some models.
Transmission Fluid Capacity
Transmission Oil Capacity:
Approximately 10-12 quarts (9.5-11.4 Liters) for the main transmission/rear axle housing.
Wheelbase:
Approx. 83 inches (2108 mm)
Overall Length:
Approx. 140 inches (3556 mm) with standard drawbar
Overall Width:
Adjustable rear tread width, typically 56-76 inches (1422-1930 mm)
Operating Weight:
Approx. 4,500 - 5,500 lbs (2041 - 2495 kg) depending on configuration and ballast.
Front Tire Size:
Typically 6.00-16 or 7.50-16
Rear Tire Size:
Typically 13.6-28 or 14.9-28
Operator Platform:
Basic open station, designed for seated operation.
Engine Oil Change:
Typically every 50-100 operating hours, or annually.
Hydraulic Fluid Change:
Typically every 200-500 operating hours, or annually.
Air Filter Service:
As needed, based on operating conditions, but frequently checked and cleaned.
Engine Oil Type:
API CD or higher quality diesel engine oil (e.g., SAE 30 or 15W-40 depending on climate).
Hydraulic Fluid Type:
Allis-Chalmers HD-65 or equivalent tractor hydraulic fluid (THF), or API GL-4 gear oil for transmission/final drives.
Coolant Type:
Ethylene glycol antifreeze mixture (50/50) for freeze and corrosion protection.
Common Wear Items:
Clutch wear, PTO clutch packs (if applicable), hydraulic pump seals, steering components, brake shoe wear, carburetor issues (gasoline).
Engine Specific Concerns:
Potential for wear in valve guides and piston rings, aging fuel injection components in diesel models.
Hydraulic Leaks:
Common due to aging seals and hoses in the hydraulic system.
Steering Play:
Wear in the steering box or linkages can lead to excessive play.
Manufacturer:
Allis-Chalmers Manufacturing Company, a significant American manufacturer of agricultural and construction equipment.
Series Ii Distinction:
The Series II typically refers to improvements or updates over the original D-15 model, often including engine options, transmission refinements, or hydraulic system enhancements.
D15 Features:
Offered in row-crop, standard, and high-crop configurations, with a focus on versatility for various farm tasks.
Production Years:
The D-15 model line was produced from 1957 to 1966. The Series II designation would fall within this range.
