Market Position:
The Allis-Chalmers D-17 Series IV was a popular and versatile tractor in its era, positioned as a medium-horsepower farm workhorse. It competed with models from manufacturers like John Deere, International Harvester, and Ford, offering a balance of power, reliability, and features for a wide range of agricultural tasks.
Competitive Analysis:
The D-17 Series IV was known for its distinctive styling, robust construction, and the availability of features like the Power Director transmission, which provided on-the-go gear shifting for increased productivity. Its engine options provided competitive power output for its class.
Key Features:
Distinctive styling, reliable engine options, advanced hydraulic system for its time, optional Power Director transmission for enhanced field efficiency, robust build quality, and a comfortable operator's station for extended use.
Operator Station:
Designed for operator comfort and visibility, featuring a padded seat, accessible controls, and a clear view of implements and surroundings. Control layout is ergonomic for the period.
Systems Covered:
Engine, Fuel System, Ignition System, Cooling System, Lubrication System, Clutch, Transmission, Power Director (if equipped), PTO, Final Drives, Steering, Hydraulic System, Electrical System, Sheet Metal, Chassis, Decals, Operator's Station, Troubleshooting, General Maintenance.
Sheet Metal And Bodywork:
Information on removal, installation, and repair of fenders, hood, grille, and operator platform. Includes decal placement diagrams.
Page Count:
Estimate: 400-600 pages (typical for a comprehensive WSM of this era)
Manual Type:
Service Manual (comprehensive repair and maintenance)
Format:
Print / Digital (likely PDF, depending on seller)
Engine Systems:
Detailed disassembly, inspection, and assembly procedures for all major engine components including crankshaft, connecting rods, pistons, rings, cylinder heads, valves, camshaft, timing gears, oil pump, water pump, and associated sealing. Includes specifications for clearances, torque values, and wear limits.
Transmission Systems:
Complete coverage of the main transmission, PTO (Power Take-Off), and optional Power Director transmission. Includes procedures for clutch removal and installation, gearset overhaul, bearing replacement, and lubrication. Torque specifications and gear ratio information are provided.
Hydraulic Systems:
In-depth information on the tractor's hydraulic system, including the lift system, power steering, and any auxiliary hydraulic circuits. Covers pump operation, cylinder repair, valve body troubleshooting, and fluid specifications. Includes hydraulic flow and pressure test procedures.
Electrical Systems:
Wiring diagrams for the entire tractor, including starting and charging systems, lighting, instrumentation, and any optional electrical accessories. Covers troubleshooting of common electrical faults and component testing.
Brakes System:
Details on the rear axle mechanical drum brakes, including adjustment, inspection, and potential overhaul procedures. May also cover independent brake pedals for differential braking.
Maintenance Procedures:
Routine maintenance tasks such as oil changes, filter replacements (oil, fuel, air), cooling system flushes, lubrication points, and greasing intervals. Specific fluid types and capacities are listed.
Repair Procedures:
Step-by-step instructions for major component overhauls and repairs, including engine rebuilds, transmission repairs, hydraulic system troubleshooting, and front axle/steering system work.
Troubleshooting:
Diagnostic charts and procedures for identifying and resolving common mechanical and electrical problems, presented in a logical, step-by-step format.
Engine Rebuild Procedures:
Detailed steps for complete engine disassembly, cleaning, inspection, parts replacement (pistons, rings, bearings, valves, seals), reassembly, and break-in procedures. Includes critical torque values and machining specifications.
Chassis And Steering Repair:
Procedures for servicing the front axle, kingpins, tie rods, steering gearbox, and associated linkages. Covers wheel bearing maintenance and alignment.
Hydraulic Pump And Control Valve Service:
Disassembly, inspection, and repair of the main hydraulic pump and the control valve assembly for the 3-point hitch and remote hydraulics. Includes pressure and flow testing.
Technical Depth:
Comprehensive. Suitable for professional mechanics and experienced DIY enthusiasts. Covers everything from basic adjustments to full engine and transmission rebuilds. Includes detailed technical drawings and exploded views.
Diagnostic Charts:
Includes systematic troubleshooting charts for identifying the root cause of common operational issues in the engine, transmission, hydraulics, and electrical systems.
Special Tools:
Likely lists specific Allis-Chalmers special tools required for certain procedures, such as bearing pullers, seal drivers, or valve seat tooling.
Wiring Diagrams:
Clear and detailed wiring diagrams are a crucial part of this manual, aiding in electrical troubleshooting and repair of the starting, charging, lighting, and instrumentation circuits.
File Format:
Likely PDF (if digital). High-resolution scans of original factory documentation. Searchable text is a desirable feature.
Print Quality:
Professional quality (as described). Clear text, legible diagrams, and high-quality reproductions of original factory print.
Binding Type:
If printed: Typically coil-bound or comb-bound for ease of use in a workshop setting, or perfect bound for a more robust feel.
Paper Type:
If printed: Durable paper, often semi-gloss or matte finish, suitable for workshop environments.
Manual Completeness:
Comprehensive, covering all major systems and repair procedures for the specified model variant. Designed for professional service.
Digital Format Features:
If PDF: bookmarks for quick navigation, embedded search functionality, ability to print specific pages or the entire manual.
Engine Model:
Allis-Chalmers 175 (diesel) or 175 gas/LPG (depending on variant)
Engine Type:
Inline 4-cylinder, Diesel or Gasoline (Petrol)
Displacement:
226 cubic inches (3.7 Liters) for Diesel; 201 cubic inches (3.3 Liters) for Gasoline/LPG
Horsepower Diesel:
Approximately 55-60 PTO horsepower (rating varies slightly by source and specific configuration)
Horsepower Gas:
Approximately 48-52 PTO horsepower (rating varies)
Fuel Type Diesel:
Diesel Fuel
Fuel System Diesel:
Roosamaster or similar injection pump, direct injection or pre-combustion chamber depending on specific engine build.
Fuel Type Gas:
Gasoline or LPG
Carburetor:
Marvel-Schebler or Zenith (for gasoline models)
Cooling System Type:
Pressurized, liquid-cooled system with thermostat and fan.
Coolant Type:
Ethylene glycol based antifreeze mixed with water, typically a 50/50 solution for freeze protection and corrosion inhibition. Manual will specify exact type and ratio.
Length:
Approximately 128 inches (325 cm)
Width:
Approximately 70 inches (178 cm) at rear tread
Height To Top Of Steering Wheel:
Approximately 60 inches (152 cm)
Shipping Weight Diesel:
Approximately 5,200 lbs (2,360 kg)
Operating Weight Diesel:
Approximately 5,800 - 6,200 lbs (2,630 - 2,810 kg) with ballast
Tow Capacity:
Not typically specified for agricultural tractors in the same way as cars; towing is managed via drawbar and hitch.
Engine Oil Change Interval:
Typically every 50-100 operating hours or annually, depending on operating conditions and oil type.
Fuel Filter Replacement:
As needed or periodically, often with oil changes or if fuel quality is suspect.
Air Filter Maintenance:
Check and clean air filter element regularly, replace as needed. Specific interval depends on dust conditions.
Transmission Hydraulic Fluid Change:
Typically every 500-1000 operating hours. The tractor shares hydraulic fluid between transmission, final drives, and hitch.
Pto Clutch Adjustment:
Periodic check and adjustment of the PTO clutch engagement mechanism as per manual recommendations.
Engine Oil Type:
API CD or equivalent heavy-duty diesel engine oil. Viscosity typically SAE 30 or 10W-30 depending on temperature. Gasoline models would use appropriate gasoline engine oil.
Hydraulic Fluid Type:
Allis-Chalmers HD (Heavy Duty) Transmission Fluid or equivalent Type A Suffix A (TASP) automatic transmission fluid (ATF) or a modern universal tractor transmission fluid (UTTF) compatible with older systems. Consult manual for exact specification and brand recommendations.
Engine Oil Capacity:
Approximately 7 quarts (6.6 liters) for Diesel; 6 quarts (5.7 liters) for Gasoline.
Hydraulic System Capacity:
Approximately 12-15 gallons (45-57 liters) for the combined transmission and hydraulic system.
Grease Type:
General purpose lithium-based grease (NLGI #1 or #2) for all grease fittings. Specific gearbox or bearing greases may be called out.
Known Issues:
Common issues can include worn hydraulic pumps or cylinders leading to slow lift on 3-point hitch, front crankshaft seal leaks, clutch wear, wear in the Power Director engagement collar (if equipped), and potential carburetor issues on gasoline models. Electrical system components like generators, regulators, and wiring can also require attention due to age.
