🏷️ Basic Information Identification Make: Leyland Model: 255 / 270 Type: Tractor 👋 Introduction Market Position Positioning: A vital resource for owners and mechanics of Leyland 255 and 270 tractors, enabling self-sufficiency in maintenance and repair, saving significant costs. Competitive Analysis Comparison: This 'Complete Workshop Service Repair Manual' offers comprehensive A-Z coverage, which is superior to owner's manuals or condensed repair guides, providing the depth required for all service needs. Key Features Features: Easy-to-follow step-by-step instructions, numerous pictures and diagrams, instant digital delivery, multi-device compatibility, and complete coverage of all models and engines. 📋 Manual Details Coverage Areas Coverage: Complete Service & Repair Procedures A-Z Page Count Count: Not specified, but described as 'Complete Workshop Service Repair Manual' Manual Type Type: Workshop Service Repair Manual Language Language: English Format Format: Downloadable Digital File (PDF) 📖 Manual Coverage Systems Covered Engine: Service, repair, and overhaul procedures for Leyland 4-cylinder diesel engines used in 255/270 models. Fuel System: Diagnosis, repair, and adjustment of fuel injection pumps, injectors, and fuel lines. Cooling System: Maintenance, repair, and troubleshooting of radiator, water pump, thermostat, and cooling hoses. Lubrication System: Oil change procedures, filter replacement, oil pump and filter housing service. Ignition System: Diesel glow plug system diagnostics and replacement. Transmission: Service and repair of the gearbox, clutch, PTO (Power Take-Off) engagement, and drivetrain components. Hydraulic System: Repair and maintenance of the hydraulic lift system, pump, control valves, and associated components. Steering System: Service and overhaul of the steering box and linkage. Braking System: Maintenance, adjustment, and repair of the braking system components. Electrical System: Wiring diagrams, troubleshooting for starting and charging systems, lighting, and instrument panel. Chassis And Body: Frame, front axle, rear axle housing, fenders, and operator's station service. Procedures Included Maintenance: Regular servicing, fluid changes, filter replacements, lubrication, and general upkeep procedures. Troubleshooting: Diagnostic flowcharts and step-by-step procedures for identifying and resolving common and uncommon issues. Repair: Detailed instructions for component disassembly, repair, reassembly, and adjustment. Overhaul: Complete engine rebuild, transmission overhaul, and hydraulic system component refurbishment procedures. Adjustment: Precise instructions for adjusting clutch, brakes, engine timing, and hydraulic controls. Technical Depth Depth: Comprehensive from basic maintenance to full engine and component rebuilds, suitable for home mechanics and professional technicians. 📊 Manual Specifications File Format Format: PDF Print Quality Quality: High quality, designed for clear printing of text and images. Binding Type Binding: Digital download, printable by user. Not a physical binding. Paper Type Paper Type: User printable on standard paper. Original documentation printed on heavy-duty paper stock suitable for workshop environments. ⚙️ Engine Specifications Primary Engine Engine Type: Leyland 4-cylinder naturally aspirated diesel engine (specific model designation like Leyland 4/98 variants may be covered). Performance Horsepower: Approx. 55-60 HP (for 255), Approx. 60-65 HP (for 270) - specific figures will be detailed within the manual. Torque: Details on torque figures for engine components and assembly will be present. Fuel System Injection System: Typically CAV (now Lucas CAV) or Simms fuel injection pumps. Manual will detail their service and calibration. Cooling System Cooling Method: Water-cooled, typically via a robust radiator and fan system. Lubrication System Oil Type: Specific API service classification (e.g., CD or CE) and SAE viscosity grades (e.g., 15W-40, 20W-50) will be detailed. Engine Identification Engine Codes: The manual will likely cover specific engine codes associated with the 255 and 270 models, such as 4/98 variants. 🔧 Transmission Standard Transmission Type: Manual synchromesh gearbox, typically with 8 or 10 forward gears and 2 reverse gears. Optional Optional Features: Some models may have had a creeper gear option or powershift units, though less common for these series. PTO speed options would be covered. Features Features: Single or dual-clutch arrangements, mechanical or hydraulic PTO engagement, differential lock. Fluid Specifications Transmission Fluid: Likely to specify GL-4 or GL-5 rated multi-purpose tractor oil or gear oil for the gearbox and final drives. Specific SAE viscosity will be detailed. 📐 Dimensions Exterior Wheelbase: Typical for the era, approximate values can be found, but manual will provide precise measurements for alignment and repair. Weights Operating Weight: Likely in the range of 2,000 - 2,500 kg (unladen). Specific weights for axle loading and overall vehicle will be in the manual. 🛡️ Safety Features Ratings Rollover Protection: While not standard factory-fitted on early models, the manual may cover fitting of Roll Over Protection Structures (ROPS) and associated safety checks. Active Features Braking System: Drum brakes or disc brakes on rear axle, possibly integrated with transmission brake. Manual will detail adjustment and maintenance. Passive Features Operator Station: Details on the operator's seat, controls layout, and safety considerations for the station. 💡 Technology Features Infotainment Infotainment System: Basic operator controls and instrumentation. No advanced infotainment systems typical of modern vehicles. Driver Assistance Assistance Features: Focus on functional controls for operation. No electronic driver assistance systems. Connectivity Connectivity Features: None. 🔧 Maintenance...