🏷️ Basic Information Identification Make: International Harvester (IH) Model: 274 Tractor Product Type: Tractor Product Line: Compact Utility Tractor Codes Manual Codes: Service Repair Manual & Operators Instruction Manual 👋 Introduction Market Position Historical Segment: Compact Utility Tractor Target User: Small to medium farm operators, property owners, landscaping professionals. Competitive Analysis Contemporaries: Competed with models from John Deere (e.g., 830, 930), Ford, Massey Ferguson, and other tractor manufacturers of the era. Key Features Design Philosophy: Rugged construction, reliable performance, versatile for various agricultural tasks. Operator Ergonomics: Designed for practical operation with accessible controls. Hydraulic Capabilities: Often featured a robust hydraulic system for powering implements. 📋 Manual Details Coverage Areas Manual Collection Type: Service Repair Manual & Operators Instruction Manual Page Count Service Repair Manual Page Count: Estimated 500-800+ pages (typical for comprehensive IH tractor manuals) Operators Instruction Manual Page Count: Estimated 100-200+ pages (typical for IH tractor operator manuals) Manual Type Service Repair Manual Type: Comprehensive Service Repair Manual Operators Instruction Manual Type: Operator's/Owner's Instruction Manual Language Language: English Format Format: PDF (Downloadable) 📖 Manual Coverage Systems Covered Engine Systems: Engine overhaul, fuel system, lubrication system, cooling system, ignition system (if applicable), exhaust system, starting system. Transmission Systems: Gearbox, clutch, PTO (Power Take-Off), differential, final drives, hydraulic PTO clutch (if applicable). Hydraulics Systems: Hydraulic pump, control valves, cylinders, hoses, reservoir, three-point hitch, hydraulic system troubleshooting and repair. Electrical Systems: Wiring diagrams, starter, alternator/generator, battery, lighting system, instrumentation, troubleshooting electrical faults. Chassis And Steering: Front axle, rear axle, steering system (mechanical/power), brakes (mechanical/hydraulic), wheels, tires. Operator Station: Seat, controls, dashboard, safety features, operator comfort. Procedures Included Maintenance Procedures: Lubrication schedules, fluid level checks, filter changes, tune-up procedures, pre-operation checks. Repair Procedures: Engine rebuilding, transmission overhauling, hydraulic component replacement, brake system repair, clutch adjustment, PTO repair. Troubleshooting: Diagnostic charts, common problems and solutions, fault finding for engine, hydraulics, electrical, and transmission systems. Adjustment Procedures: Clutch adjustment, brake adjustment, valve lash adjustment, PTO engagement adjustment. Specifications And Data: Torque values, clearances, fluid capacities, part numbers (where applicable). Technical Depth Depth Of Coverage: Comprehensive from basic operator instructions to detailed engine rebuilds and hydraulic system diagnostics. Diagnostic Capability: Advanced diagnostics and troubleshooting for all major systems. Rebuild Procedures: Detailed step-by-step instructions for major component overhauls and rebuilds. 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable Text Navigation: Bookmarks Index Availability: Index Included Print Quality Image Quality: Improved Quality (for clarity of diagrams and text) Readability: Optimized for digital viewing and printing. Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Make: International Harvester (IH) Engine Model Or Series: Typically sourced from IH's own engine manufacturing or reputable suppliers like MWM (for some European models). Engine Type: Diesel (most common) Displacement: Varies by specific engine variant, typically in the 1.5L - 2.5L range (e.g., BD-154 or similar IH diesel engines). Performance Horsepower Rated: Approximately 25-35 PTO horsepower (dependent on exact engine and configuration). Torque Peak: Specific torque figures would be detailed in the manual, crucial for load-carrying capacity. Fuel System Fuel Type: Diesel Fuel Injection System: Typically direct injection via Bosch or CAV rotary/inline injection pumps. Fuel Filter Part Numbers: Specific part numbers would be found in the manual or parts catalog, often common IH filter numbers. 🔧 Transmission Standard Transmission Type: Manual Gearbox Gear Speeds: Typically 8-speed (4 forward gears in two ranges) or 12-speed with creeper gears, depending on specific model variant. Clutch Type: Single Dry Plate Clutch Optional Pto Options: Live PTO or Transmission PTO, typically 540 RPM. Features Differential Lock: Rear differential lock for improved traction. Transmission Fluid Type: API GL-4 or GL-5 gear oil (specific viscosity like 80W-90 or 85W-140 as per manual). Transmission Fluid Capacity: Capacity specified in manual, typically around 5-8 liters. 📐 Dimensions Exterior Wheelbase: Varies, often around 70-75 inches (178-190 cm). Overall Length: Varies, typically around 110-125 inches (280-317 cm). Overall Width: Varies, typically around 55-65 inches (140-165 cm) depending on rear tire size and track width. Weights Operating Weight: Approximately 2,500 - 3,000 lbs (1134 - 1361 kg) without ballast. Front Tire Size: Commonly 5.00-15 or 6.00-16. Rear Tire Size: Commonly 11.2-24 or 12.4-24. 🛡️ Safety Features Ratings Rollover Protection: ROPS (Roll-Over Protective Structure) may have been an option or added later; not standard on all early models. Manual will cover installation if applicable. Active Features Braking System: Mechanical or hydraulic drum brakes, or inboard expanding shoe brakes, depending on configuration. Manual covers adjustment and maintenance. Passive Features Operator Station Design: Focus on accessible controls and seating for operator safety. 💡 Technology Features Infotainment Dashboard Features: Basic instrumentation: ammeter, oil pressure gauge, temperature gauge, tachometer (often mechanical). Driver Assistance Traction Enhancements: Differential lock for improved traction in slippery conditions. Connectivity Implement Interface: Standard PTO shaft and three-point hitch (Category 1 or similar) for universal...