Model:
        
        
            Fastrac (125, 135, 145, 150, 155, 185)
        
     
    
        
            Model Series:
        
        
            Fastrac 1000 Series (and variants covered by these specific models)
        
     
    
    
        
            Product Identifier:
        
        
            JCB 125 135 145 150 155 185 FASTRAC Service Repair Manual
        
     
 
    
    
    
        
            Vehicle Segment:
        
        
            High-performance agricultural tractor with road-going capabilities, often referred to as a 'tractor for all seasons'.
        
     
    
    
        
            Key Competitors:
        
        
            Other manufacturers of high-horsepower, multi-purpose tractors and specialized utility vehicles (e.g., AGCO, CNH Industrial, John Deere).
        
     
    
    
        
            Vehicle Capabilities:
        
        
            Designed for versatility, offering agricultural field performance, road transport capabilities, and potential for specialized industrial applications. Features include advanced suspension, high road speeds, and powerful engine options.
        
     
    
    
        
            Repair Convenience:
        
        
            Empowers users to perform repairs and maintenance themselves, saving on labor costs and reducing downtime.
        
     
    
        
            Clarity Of Instructions:
        
        
            Step-by-step detailed instructions facilitate easier understanding and execution of complex repair procedures.
        
     
 
    
    
    
        
            Supported Models:
        
        
            JCB Fastrac 125, 135, 145, 150, 155, 185 (all serial numbers)
        
     
    
        
            Technical Sections Listed:
        
        
            General Information, Care and Safety, Routine Maintenance, Optional Equipment, Body and Framework, Electrics, Controls, Hydraulics, Transmission, Brakes, Steering, Suspension, Engine
        
     
    
    
        
            Estimated Page Count:
        
        
            Extensive (exact count not provided, but described as 'a lot of information' and 'step by step in details')
        
     
    
    
        
            Manual Type:
        
        
            Service Repair Manual
        
     
    
    
    
    
    
        
            Delivery Method:
        
        
            Instant Download
        
     
 
    
    
    
        
            Powertrain:
        
        
            Engine diagnostics, maintenance, repair; Transmission system operation, repair, overhaul; Driveline components.
        
     
    
        
            Chassis:
        
        
            Brake system service, troubleshooting; Steering system maintenance, repair; Suspension system inspection, adjustment, component replacement.
        
     
    
        
            Electrical:
        
        
            Wiring diagrams, component testing, fault diagnosis, electrical system repair.
        
     
    
        
            Hydraulics:
        
        
            Hydraulic system schematics, pump and valve testing, cylinder and hose service, troubleshooting.
        
     
    
        
            Body Framework:
        
        
            Body panel repair, structural components, cab access and fittings.
        
     
    
        
            Controls:
        
        
            Operation and maintenance of driver controls, linkage adjustments.
        
     
    
        
            Optional Equipment:
        
        
            Installation, operation, and maintenance of specified optional equipment.
        
     
    
    
        
            Routine Maintenance:
        
        
            Lubrication schedules, fluid level checks, filter replacement, general inspection procedures.
        
     
    
        
            Troubleshooting:
        
        
            Systematic diagnostic procedures for common and uncommon faults across all major systems.
        
     
    
        
            Repair Overhaul:
        
        
            Detailed step-by-step instructions for component removal, disassembly, repair, reassembly, and installation.
        
     
    
        
            Safety Precautions:
        
        
            General safety guidelines, specific warnings related to hazardous materials, high-pressure systems, and electrical components.
        
     
    
    
        
            Depth Of Information:
        
        
            Comprehensive, covering detailed repair and diagnostic procedures suitable for professional technicians and experienced owner-operators. Includes specifications, torque values, and schematics.
        
     
 
    
    
    
        
            PDF Features:
        
        
            Searchable text, zoom functionality for clarity, printable pages.
        
     
    
    
        
            Digital Quality:
        
        
            High-resolution, clear imaging of text and diagrams, enabling precise component identification and procedural steps.
        
     
    
    
        
            Binding Type:
        
        
            N/A (Digital PDF format)
        
     
    
    
        
            Paper Type:
        
        
            N/A (Digital PDF format)
        
     
    
    
        
            Operating Systems:
        
        
            All Versions of Windows & Mac
        
     
    
    
        
            Software Requirement:
        
        
            Adobe PDF Reader
        
     
 
    
    
    
        
            Manufacturer Likely:
        
        
            Cummins or Perkins (common for JCB in this era and class, specific to model variant)
        
     
    
        
            Engine Types Likely:
        
        
            Inline 4-cylinder or 6-cylinder turbocharged diesel engines.
        
     
    
    
        
            Horsepower Range Estimated:
        
        
            Likely ranging from approximately 125 HP (JCB 125) to 185 HP (JCB 185), with specific models in between.
        
     
    
        
            Torque Specifications:
        
        
            Specific torque figures would vary by engine variant and are detailed within the manual.
        
     
    
    
    
        
            Injection System Likely:
        
        
            Common Rail Direct Injection (CRDI) for later models, or high-pressure mechanical injection for earlier variants.
        
     
 
    
    
    
        
            Transmission Type:
        
        
            Likely a powershift or hydrostatic transmission, designed for variable speed control and high torque transfer.
        
     
    
    
        
            Optional Features:
        
        
            Cruise control functionality, specific power take-off (PTO) options, or advanced transmission modes for different operating conditions.
        
     
    
    
        
            Gear Shifting Mechanism:
        
        
            Electro-hydraulic or manual selection for powershift gears; electronic or lever control for hydrostatic drive.
        
     
 
    
    
    
        
            Overall Length Approximate:
        
        
            Varies by model, but typically in the range of 4.5 to 5.5 meters (15-18 feet).
        
     
    
        
            Overall Width Approximate:
        
        
            Typically around 2.0 to 2.5 meters (6.5-8.2 feet) for road legality in many regions.
        
     
    
        
            Overall Height Approximate:
        
        
            Around 2.8 to 3.0 meters (9-10 feet) to the top of the cab.
        
     
    
    
        
            Operating Weight Approximate:
        
        
            Typically in the range of 6,000 to 8,500 kg (13,000-18,700 lbs) depending on configuration.
        
     
    
        
            Towing Capacity:
        
        
            Significantly high, often exceeding 10,000 kg (22,000 lbs) for specific towing applications.
        
     
 
    
    
    
        
            Rollover Protection:
        
        
            Standard cab with integrated Roll Over Protection Structure (ROPS) and Falling Object Protective Structure (FOPS) for operator safety.
        
     
    
    
        
            Braking System:
        
        
            Hydraulically actuated disc brakes, likely on all four wheels, with integrated trailer braking systems.
        
     
    
        
            Lighting:
        
        
            Full road lighting (headlights, taillights, indicators) and work lights for agricultural/off-road use.
        
     
    
    
        
            Seatbelt:
        
        
            Operator seatbelt for enhanced safety.
        
     
 
    
    
    
        
            Cab Features:
        
        
            Modernized cabs with climate control, ergonomic seating, and integrated controls for various tractor functions. Infotainment systems (radio, etc.) would be model-specific and potentially optional.
        
     
    
    
        
            Suspension System:
        
        
            Advanced self-levelling hydro-pneumatic suspension on all wheels, providing exceptional ride comfort and stability on-road and off-road. This is a key differentiator for the Fastrac.
        
     
    
        
            Powertrain Management:
        
        
            Sophisticated electronic control units (ECUs) for engine and transmission management, optimizing performance and fuel efficiency.
        
     
    
    
        
            Telematics Potential:
        
        
            Later models may include telematics capabilities for fleet management, remote diagnostics, and performance monitoring, depending on factory options.
        
     
 
    
    
    
        
            Engine Oil Change:
        
        
            Typically every 250-500 hours or annually, depending on operating conditions. Specific interval in manual.
        
     
    
        
            Hydraulic Fluid Change:
        
        
            Generally every 1000-2000 hours, with filter changes at more frequent intervals. Specific interval in manual.
        
     
    
        
            Transmission Fluid Change:
        
        
            Varies by transmission type (powershift/hydrostatic), but typically every 1000-2000 hours. Specific interval in manual.
        
     
    
    
        
            Engine Oil Type Likely:
        
        
            API CJ-4 or CK-4 rated synthetic or semi-synthetic diesel engine oil, viscosity typically 10W-40 or 15W-40.
        
     
    
        
            Hydraulic Fluid Type Likely:
        
        
            ISO VG 46 or VG 68 hydraulic oil, or JCB's specific approved fluid.
        
     
    
        
            Coolant Type Likely:
        
        
            Ethylene glycol-based antifreeze/coolant mixture, typically a 50/50 concentration with deionized water.
        
     
    
    
        
            Common Wear Points:
        
        
            Suspension bushings, hydraulic hoses and seals, clutch packs (in powershift transmissions), PTO components, and exhaust systems are common areas for wear over time.
        
     
    
        
            Electrical Gremlins:
        
        
            While robust, like any complex machine, intermittent electrical faults or sensor issues can arise, requiring detailed diagnostic procedures found in the manual.
        
     
 
    
    
    
        
            Manufacturer History:
        
        
            JCB (J.C. Bamford Excavators Ltd.) is a British company renowned for its construction and agricultural equipment. The Fastrac represents a significant innovation in agricultural machinery.
        
     
    
    
        
            Fastrac Introduction:
        
        
            The JCB Fastrac was first introduced in 1991, revolutionizing the tractor market by offering unprecedented road speed and suspension, allowing it to operate efficiently as both a farm machine and a road vehicle.
        
     
    
        
            Series Context:
        
        
            The 125, 135, 145, 150, 155, 185 models likely represent variations within a specific generation of the Fastrac, potentially the 1000 series or an evolutionary step from it, focusing on different power outputs and feature sets.