🏷️ Basic Information Identification Make: Bolens Model: G152, G154, G172, G174 Product Type: Service Repair Workshop Manual 👋 Introduction Market Position Target User: Owners, operators, and service technicians of Bolens G152, G154, G172, and G174 tractors. Key Features Content Richness: Contains hundreds of pages with detailed visual aids and procedural information. Value Proposition Completeness: Full factory service manual, not a limited or trial version. 📋 Manual Details Coverage Areas Primary Coverage: All repairs, servicing, and troubleshooting procedures for Bolens G152, G154, G172, and G174 tractors. Page Count Estimated Page Count: Hundreds of pages (specific count not provided, but described as comprehensive) Manual Type Type: Factory Service Repair Workshop Manual Language Language: English Format Format: Downloadable PDF 📖 Manual Coverage Systems Covered Engine: Detailed engine overhaul, troubleshooting, diagnosis, and component repair. Transmission: Transmission overhaul, repair, clutch service, and drivetrain component diagnostics. Hydraulic System: Hydraulic pump, cylinder, valve, and hose repair and troubleshooting. Electrical System: Wiring diagrams, component testing, starter, alternator, ignition, and lighting system service. Brake System: Brake system inspection, repair, and component replacement. Cooling System: Radiator, thermostat, water pump, and coolant system service. Fuel System: Fuel tank, pump, filter, and carburetor/injection system service. Steering System: Steering linkage, pump, and component repair. Chassis And Body: Frame, body panels, and mounting hardware service. Power Take Off Pto: PTO operation, maintenance, and repair. Procedures Included Routine Maintenance: Oil changes, filter replacements, lubrication, and general inspection schedules. Troubleshooting Diagnostics: Step-by-step diagnostic guides for common and uncommon issues. Component Rebuilds: Complete overhaul procedures for major components like engines and transmissions. Torque Specifications: Essential torque values for critical fasteners. Wiring Diagrams: Detailed electrical schematics for all systems. Technical Depth Depth: Comprehensive, covering basic maintenance to complete engine and transmission rebuilds, suitable for professional mechanics. 📊 Manual Specifications File Format Format: PDF Compatibility: Windows and MAC OS Print Quality Printable: Yes, individual pages or the entire manual can be printed. Usage License Usage Rights: Unlimited use on multiple devices; no expiry or renewal fees. Content Type Content: Detailed photos, diagrams, exploded views, step-by-step instructions. ⚙️ Engine Specifications Primary Engine Engine Type: Diesel (specific engine model/series not provided, but typical for this class of tractor) Performance Horsepower Range: G152/G154 likely in the 15-17 HP range, G172/G174 likely in the 17-20 HP range (specific figures require model lookup) Fuel System Fuel Type: Diesel Cooling System Cooling Method: Liquid-cooled (typical for diesel tractors of this era) 🔧 Transmission Standard Transmission Type: Manual (likely with multiple gear ranges and a shuttle shift or creeper gear, common for utility tractors) Optional Transmission Type: Not specified, but hydrostatic or powershift were less common on smaller utility tractors of this era. Features Drivetrain: 2WD or 4WD configurations are common for this tractor class, manual will cover both if applicable. 📐 Dimensions Exterior Chassis Type: Compact Utility Tractor Weights Operating Weight: Estimated 1500-2500 lbs (specifics depend on configuration, manual would detail) 🛡️ Safety Features Passive Features Roll Over Protection: ROPS (Roll Over Protection Structure) is standard on most modern tractors; manual would cover its installation/maintenance. 💡 Technology Features Infotainment Features: Basic functionality, typically without advanced infotainment systems; focus is on operational controls. Driver Assistance Features: Limited to mechanical and hydraulic assist systems, not electronic driver aids. 🔧 Maintenance Service Intervals Engine Oil Change: Typically every 50-100 operating hours or annually, with specific interval detailed in manual. Hydraulic Fluid Change: Typically annually or every 250-500 hours, with specific interval detailed in manual. Fluid Specifications Engine Oil: SAE 10W-30 or 15W-40 API CD or CE class diesel engine oil recommended (specific viscosity depends on ambient temperature, manual to confirm). Hydraulic Fluid: HyTran or equivalent UTF (Universal Tractor Transmission Fluid) is common; manual will specify exact type and viscosity. Coolant: Ethylene glycol based antifreeze (50/50 mix with distilled water) for freeze protection and corrosion inhibition. Known Issues Common Wear Items: Clutch wear, hydraulic seal leaks, starter motor issues, and starter solenoid problems are common on many tractors of this age and type. Preventative Maintenance Key Checks: Regularly checking fluid levels, filter condition, and tire pressure is crucial for longevity. 📚 Vehicle History Brand Heritage Heritage: Bolens is a historical American brand known for outdoor power equipment and tractors, with a history dating back to the early 20th century. Model Evolution Series Context: The G-series likely represents a line of compact utility tractors designed for property maintenance, light farming, and landscaping. Production Production Period: Specific production years for these models are not provided, but similar tractors were popular in the late 20th century and early 21st century.