🏷️ Basic Information Identification Make: Allis-Chalmers Model: 170 Product Name: Allis Chalmers Model 170 Tractor Factory Service Repair Manual 👋 Introduction Market Position Target User: Owners, operators, and mechanics of the Allis-Chalmers Model 170 tractor. Key Features Manual Value: Essential for maintaining the longevity, performance, and reliability of the Model 170. 📋 Manual Details Coverage Areas Main Coverage: Comprehensive service and repair for the Allis-Chalmers Model 170 tractor. Page Count Estimated Pages: 500+ Manual Type Type: Factory Service/Repair Manual Language Language: English Format Format: Print/Digital (likely PDF for modern reproductions) 📖 Manual Coverage Systems Covered Engine: Detailed breakdown, troubleshooting, and overhaul procedures for gasoline and diesel engine variants. Fuel System: Carburetor (gasoline) and injection system (diesel) diagnostics, adjustment, and repair. Cooling System: Radiator, thermostat, water pump, and fan system maintenance and repair. Lubrication System: Oil pump, filter, passages, and lubrication schedules. Electrical System: Ignition system, starter, generator/alternator, lighting, wiring diagrams, and component testing. Transmission: Gearbox disassembly, assembly, adjustment, and repair for manual and powershift variants. Clutch: Clutch assembly, adjustment, and replacement procedures. Power Take Off Pto: PTO engagement, disengagement, and repair. Hydraulic System: Hydraulic pump, control valve, cylinders, hoses, and fluid specifications. Steering System: Mechanical and power steering system diagnosis and repair. Brake System: Brake actuation, adjustment, and repair for mechanical and hydraulic systems. Front Axle: Front wheel drive (if applicable), steering knuckles, and bearings. Rear Axle And Differential: Rear axle housing, differential, and final drive service. Chassis And Frame: Frame inspection, repair, and component mounting. Bodywork And Sheetmetal: Fender, hood, and platform repair and adjustment. Operator Station: Seat, controls, and platform maintenance. Procedures Included Maintenance: Routine maintenance checks, lubrication schedules, filter changes, and adjustments. Troubleshooting: Systematic diagnostic charts and symptom-based troubleshooting guides. Repair: Step-by-step disassembly, assembly, and repair instructions for all major components. Overhaul: Complete engine, transmission, and hydraulic system rebuild procedures. Calibration And Adjustment: Carburetor, ignition timing, clutch, brake, and hydraulic control adjustments. Torque Specifications: Essential torque values for critical fasteners. Technical Depth Depth: Factory-level detail, suitable for professional mechanics and experienced DIY users. 📊 Manual Specifications File Format Digital Format: Searchable PDF with high-resolution diagrams. Print Quality Print Quality: Professionally printed with durable binding and clear, legible text and diagrams. Binding Type Binding: Stapled or perfect bound (for print reproductions). Paper Type Paper Type: Heavy-duty paper suitable for workshop environments. ⚙️ Engine Specifications Primary Engine Engine Model Gasoline: Allis-Chalmers 201 (4-cylinder, L-head gasoline) Engine Model Diesel: Allis-Chalmers 301 (4-cylinder, direct injection diesel) Performance Gasoline Displacement: 201 cubic inches (3.3 liters) Diesel Displacement: 301 cubic inches (4.9 liters) Fuel System Gasoline Fuel Delivery: Farm-a-draulic carburetor Diesel Fuel Delivery: Roosamaster fuel injection pump 🔧 Transmission Standard Transmission Type Standard: Constant mesh, 8-speed manual transmission Optional Transmission Type Optional: Power Shift (Select-O-Speed) transmission Features Transmission Fluid Spec: Refer to manual for specific fluid type (typically SAE 80W-90 gear oil or equivalent for manual; specific hydraulic/transmission fluid for Power Shift). 📐 Dimensions Exterior Wheelbase: Approximately 86 inches (2184 mm) Weights Operating Weight Est: Approximately 5,000 - 6,000 lbs (2268 - 2722 kg), depending on configuration. Front Tire Size Std: 6.00-16 Rear Tire Size Std: 15.1x34 💡 Technology Features Infotainment Infotainment Features: Basic operator controls; no electronic infotainment systems. Driver Assistance Driver Assistance Features: None typical for the era. Focus is on mechanical functionality. 🔧 Maintenance Service Intervals Engine Oil Change: Typically every 100 hours or annually (refer to manual for precise interval). Air Filter Check: Check frequently, clean or replace as needed based on operating conditions. Fluid Specifications Engine Oil Gasoline: API CD or CE, SAE 30 or 10W-30 depending on temperature (consult manual). Engine Oil Diesel: API CD or CE, SAE 30 or 10W-30 depending on temperature (consult manual). Hydraulic Fluid Type: Allis-Chalmers Hy-Gard or equivalent. Known Issues Common Wear Items: Clutch wear, hydraulic pump seals, radiator leaks, exhaust manifold cracks. Electrical Problems: Corrosion on connections, aging wiring harnesses. Engine Starting Issues: Can be related to battery, starter, fuel system contamination, or glow plugs (diesel). 📚 Vehicle History Brand Heritage Brand Origin: American manufacturer with a long history in agricultural machinery. Model Evolution Production Years: Produced from approximately 1973 to 1979. Production Manufacturing Location: West Allis, Wisconsin, USA 🏆 Awards & Recognition Recognitions Model Recognition: Known for its robustness and versatility in its class during its production period.