The Allis-Chalmers Model 170 and 175 tractors, produced in the early to mid-1970s, represent robust medium-sized utility tractors designed for a wide array of agricultural tasks. These diesel-powered machines, featuring cast iron engine blocks and water-cooled systems, offered reliable performance with approximately 56 PTO HP for the Model 170 and 60 PTO HP for the Model 175. Known for their engineering quality and dependability, Allis-Chalmers tractors are recognized for their distinctive orange livery and solid construction, making them a valuable asset for farm operations. This comprehensive workshop service manual provides in-depth repair and maintenance information for the Allis-Chalmers Model 170 and 175 tractors. It covers all essential systems, including the engine, drivetrain, hydraulics, steering, electrical, and braking systems, alongside detailed procedures for periodic maintenance, component overhauls, and troubleshooting. This manual is an indispensable resource for professional technicians, do-it-yourself mechanics, and farm equipment owners seeking to maintain and repair their tractors efficiently, ensuring longevity and optimal performance. 🏷️ Basic Information Identification Make: Allis-Chalmers Model: 170 / 175 Vehicle Type: Tractor Codes Manual Product Name: Allis Chalmers Model 170 175 Tractor Workshop Service Manual PDF Download 👋 Introduction Market Position Target Audience: Professional technicians, do-it-yourself mechanics, farm equipment owners. Competitive Analysis Manual Value Proposition: Provides in-depth repair and maintenance information, enabling cost savings on labor. Key Features Key Manual Features: Instant download, comprehensive coverage, detailed diagrams, troubleshooting guides. Manual Type Variants: Includes coverage as Workshop Manual, Service Manual, Repair Manual, Factory Service Manual. Authoritative Source: Written by professionals and original manufacturers, providing accurate and complete information. 📋 Manual Details Coverage Areas Primary Coverage: Allis-Chalmers Model 170 and 175 Tractors Page Count Estimated Page Count: Hundreds of pages (specific count not provided, typical for workshop manuals) Manual Type Manual Type: Workshop Service Manual / Repair Manual Manual Completeness: Full service and repair coverage for the specified models. Language Language: English Format File Format: PDF Delivery Method: Instant Download 📖 Manual Coverage Systems Covered Engine Systems: Engine overhaul, lubrication, cooling, fuel system, starting, ignition/electrical. Drivetrain Systems: Transmission, clutch, rear axle, differential, PTO (Power Take-Off). Hydraulic Systems: Hydraulic pump, control valves, cylinders, remote hydraulics, hydraulic reservoir. Steering Systems: Power steering system, steering components, linkage. Electrical Systems: Wiring diagrams, starting system, charging system, lighting, instruments. Braking Systems: Brake operation, master cylinder, brake assemblies, parking brake. Chassis And Suspension: Front axle, steering knuckles, drawbar, hitch. Power Take Off Pto: PTO engagement, specifications, and maintenance. Front Axle And Steering: Front axle assembly, steering linkage, kingpins. Procedures Included Maintenance Procedures: Periodic maintenance charts, lubrication points, fluid changes, filter replacement. Repair Procedures: Step-by-step repair instructions for all major components. Troubleshooting Information: Diagnostic procedures for common problems and malfunctions. Overhaul Procedures: Detailed instructions for complete engine, transmission, and hydraulic system overhauls. Wiring Diagrams: Yes, electrical system wiring diagrams are included. Technical Depth Technical Depth: Comprehensive, suitable for professional technicians and advanced DIY users. Diagnostic Capabilities: Includes troubleshooting guides and symptom-based diagnostics. 📊 Manual Specifications File Format File Quality: Full Printable, Zoom IN/OUT capability Print Quality Print Ability: Yes, individual sections can be printed. Binding Type Binding Type: Digital (PDF) Paper Type Paper Type: Not Applicable (Digital Format) Requirements Software Requirements: Adobe PDF Reader, WinRAR Operating System Compatibility: All Versions of Windows & Mac ⚙️ Engine Specifications Primary Engine Engine Manufacturer: Allis-Chalmers Engine Type: Diesel (typically 4-cylinder) Engine Displacement Model 170: Approx. 221 cubic inches (3.6 Liters) Engine Displacement Model 175: Approx. 230 cubic inches (3.8 Liters) Engine Cooling System: Water-cooled Engine Block Material: Cast Iron Performance Engine Horsepower Model 170: Approx. 56 PTO HP (41.7 kW) Engine Horsepower Model 175: Approx. 60 PTO HP (44.1 kW) Fuel System Fuel Type: Diesel Fuel Injection System: Typically rotary injection pump (e.g., CAV or Bosch) 🔧 Transmission Standard Transmission Type: Constant Mesh Transmission Gears Model 170: 8 Forward, 2 Reverse Transmission Gears Model 175: 8 Forward, 2 Reverse Optional Optional Transmission Features: Differential Lock (standard on many) Features Clutch Type: Dry, Single Plate Clutch Rear Axle Type: Enclosed Differential with Semi-Floating Axles 📐 Dimensions Exterior Wheelbase: Approximately 84 inches (2134 mm) Front Tire Size: Commonly 6.00-16 or 7.50-16 Rear Tire Size: Commonly 14.9-28 or 16.9-28 Weights Operating Weight: Approximately 5,000 - 5,500 lbs (2268 - 2495 kg) Drawbar Pull Capacity: Not specified, but substantial for its class. 🛡️ Safety Features Ratings Safety Features Era: Reflects safety standards of the 1970s; ROPS (Roll Over Protection System) may be dealer or aftermarket installed. Active Features Braking System Type: Internal Expanding Shoe Brakes (wet or dry operation) Passive Features Operator Station Features: Open operator station, provision for ROPS and seat belts. 💡 Technology Features Infotainment Infotainment Features: Not applicable for this era of tractor; basic instrumentation only. Driver Assistance Driver Assistance Features: Not applicable. Connectivity Connectivity Features: Not applicable. 🔧 Maintenance Service Intervals Engine Oil Change Interval: Typically every 100-200 operating hours, or annually. Hydraulic Fluid Change...