🏷️ Basic Information Identification Make: Oliver Model: 1755, 1855, 1955 Series Tractors Codes Product Name: Oliver 1755 1855 & 1955 Tractors Workshop Service Repair Manual-Improved -PDF 👋 Introduction Market Position Target Audience: Oliver tractor owners, mechanics, service technicians, and agricultural repair shops. Competitive Analysis Value Proposition: Offers comprehensive, searchable, and easily navigable information crucial for maintaining and repairing Oliver 1755, 1855, and 1955 series tractors, overcoming the limitations of older or less detailed manuals. Key Features Instant Access: Immediate download capability provides instant access to vital service information. Ease Of Use: Designed for clarity and ease of understanding, suitable for a wide range of technical skill levels. Digital Enhancements: Bookmarks, search functionality, and improved image quality enhance the user experience significantly. 📋 Manual Details Coverage Areas Manual Type: Workshop Service Repair Manual Language: English Format: PDF Compatibility: All Versions of Windows, Mac, iOS, BB, Android, etc. Availability: Instant download Page Count Estimated Page Count: Detailed and comprehensive, exceeding typical manual lengths to cover all aspects of repair and maintenance for the specified models. 📖 Manual Coverage Systems Covered Engine: Complete coverage of engine overhaul, diagnostics, and component servicing. Fuel System: Detailed information on diesel injection systems, fuel pumps, filters, and troubleshooting. Cooling System: Radiator, water pump, thermostat, coolant specifications, and maintenance procedures. Ignition System: Spark plug specifications, timing, coil testing, and related components for gasoline variants (if applicable). Electrical System: Wiring diagrams, starter, alternator, battery service, and troubleshooting of electrical circuits. Transmission: In-depth coverage of gearbox operation, maintenance, and repair for all available transmission types. Clutch: Clutch assembly, adjustment, replacement, and hydraulic systems. Brakes: Brake system diagnostics, hydraulic components, linings, drums/discs, and adjustment procedures. Differential: Rear axle and differential maintenance, overhaul, and lubricant specifications. Final Drives: Servicing of final drive assemblies for reliable power transfer. Front System: Front axle, steering components, and wheel bearing service. Power Steering: Hydraulic power steering system operation, components, and service. Hydraulic Lift System: Detailed coverage of the hydraulic lift system, including pumps, cylinders, control valves, and fluid requirements. Governor: Governor system maintenance and calibration for consistent engine speed control. Hydra Power Drive: Specific service and maintenance information for the Hydra-Power Drive system. Hydraul Shift: Coverage of hydraulic shifting mechanisms and their operation. Power Take Off: PTO system servicing, including shaft and gear maintenance. Turbocharger: Information pertaining to turbocharger operation, maintenance, and potential issues for equipped models. Carburetor: If gasoline engine variants are covered, detailed carburetor adjustments and overhaul procedures. Transfer Drive: Service and maintenance of the transfer drive system. Governor System: Detailed explanation of the governor's function and adjustment for consistent engine RPM under varying loads. Procedures Included Preventative Maintenance: Routine checks, lubrication schedules, filter replacements, and fluid level checks. Troubleshooting: Systematic diagnostic procedures and common problem identification. Repair Overhaul: Step-by-step instructions for disassembling, repairing, and reassembling all major components and systems. Adjustment: Precise settings and adjustments for various systems, including engine timing, clutch, brakes, and hydraulics. Diagnostics: In-depth diagnostic trees and symptom-based troubleshooting guides. Technical Depth Depth Level: Comprehensive, covering everything from basic maintenance to complete engine and transmission rebuilds. Data Provided: Includes torque specifications, clearance measurements, fluid capacities, and component tolerances. 📊 Manual Specifications File Format File Type: PDF (Portable Document Format) Searchability: Fully searchable text for rapid information retrieval. Navigation: Enhanced with bookmarks and an index for intuitive navigation. Print Quality Printability: Printable, allowing users to print specific pages or the entire manual. Image Quality: Improved quality with clear diagrams, illustrations, and photographs. Binding Type Digital Binding: N/A (Digital PDF format) Paper Type Digital Paper Simulation: N/A (Digital PDF format) ⚙️ Engine Specifications Primary Engine Engine Family: Oliver's own diesel engines, likely variations of the Waukesha or Hercules engines commonly used in this era of Oliver tractors. Displacement Range: The 1755, 1855, and 1955 models typically featured engines in the range of 200-300 cubic inches, depending on the specific engine variant and model. (Actual figures require cross-referencing specific model specs.) Performance Horsepower Range: These tractors would have offered horsepower ratings generally between 60-90 PTO horsepower, with specific figures varying by model and engine. Torque Characteristics: Designed for robust low-end torque crucial for agricultural applications. Fuel System Fuel Type: Diesel Injection System: Typically direct injection or indirect injection systems common to diesel engines of the period. 🔧 Transmission Standard Gearbox Type: Multiple transmission options were often available, including multi-speed manual transmissions with gear splitting capabilities (e.g., 12-speed, 18-speed). Optional Overdrive Options: Likely included options like a 'Hydra-Power Drive' which functioned as a torque amplifier or underdrive/overdrive unit for enhanced versatility. Features Gear Selection: Synchromesh and non-synchromesh gears depending on the specific transmission configuration. 📐 Dimensions Exterior Wheelbase: Variable based on 2WD/4WD configuration and specific model, generally in the range of 90-100 inches. Weights Operating Weight: Typically in the range of 6,000 to 9,000 lbs, depending on the model and configuration. Drawbar Pull Capacity:...