Engine System:
Detailed information on engine assembly, disassembly, diagnosis, repair, and overhaul. Includes specifications for cooling, lubrication, fuel, and exhaust systems.
Transmission System:
Comprehensive coverage of the transmission, including maintenance, troubleshooting, repair procedures, and component specifications. May include clutch, gearbox, and final drive details.
Hydraulic System:
Detailed procedures for the tractor's hydraulic system, including pump, cylinders, control valves, filters, and fluid specifications. Troubleshooting and repair of hydraulic circuits.
Electrical System:
Wiring diagrams, electrical component testing, troubleshooting, starter, alternator, battery system, lighting, and instrument panel diagnostics.
Steering System:
Repair and maintenance procedures for the steering system, including power steering components and adjustments.
Braking System:
Detailed information on brake system maintenance, repair, and troubleshooting, including brake adjustments, component replacement, and fluid service.
Cooling System:
Radiator, fan, thermostat, coolant specifications, and troubleshooting for the engine cooling system.
Fuel System:
Fuel tank, lines, filters, injectors, and pump service procedures. Troubleshooting fuel delivery issues.
Power Take Off Pto:
PTO engagement, disengagement, maintenance, and repair of the power take-off system.
Chassis And Frame:
Information on frame integrity, front axle, rear axle, and any related chassis components.
Operator Station:
Details on the operator's cab, controls, seat, and comfort features, including maintenance and repair.
Attachments And Implements:
May include information on installing and operating common tractor attachments (e.g., front loaders, mowers) and their associated hydraulic or PTO connections.
Routine Maintenance:
Detailed steps for regular servicing, including oil changes, filter replacements, lubrication points, and fluid level checks.
Troubleshooting Guides:
Systematic diagnostic procedures to identify and resolve common and uncommon operational issues.
Engine Repair Overhaul:
Complete instructions for engine rebuilding, component replacement (pistons, rings, bearings, valves), and timing adjustments.
Transmission Rebuild:
Step-by-step guide for disassembling, inspecting, repairing, and reassembling the tractor's transmission.
Hydraulic Component Replacement:
Instructions for replacing hydraulic pumps, cylinders, hoses, valves, and filters.
Electrical Diagnostics And Repair:
Guidance on testing electrical circuits, diagnosing faults, and repairing or replacing electrical components.
Brake System Service:
Procedures for bleeding brakes, replacing brake pads/shoes, and servicing brake actuators.
Pto System Repair:
Steps for servicing PTO clutches, shafts, and engagement mechanisms.
Steering System Repair:
Procedures for repairing or replacing steering components, including hydraulic steering units.
Cooling System Maintenance:
Instructions for flushing the cooling system, replacing thermostats, and checking for leaks.
Fuel System Servicing:
Procedures for replacing fuel filters, bleeding the fuel system, and testing fuel injectors.
Depth Of Coverage:
Complete factory level diagnostic and repair procedures. Suitable for professional technicians and experienced DIY mechanics.
Diagnostic Procedures:
In-depth diagnostic trees and fault code interpretation for efficient problem solving.
Torque Specifications:
Precise torque values for critical fasteners across all systems, ensuring proper assembly and preventing damage.
Clearances And Tolerances:
Specified internal clearances and wear tolerances for engine, transmission, and hydraulic components.
Wiring Diagrams:
Detailed, component-level electrical schematics and wiring diagrams for accurate troubleshooting.
Special Tool Requirements:
Identification of specialized tools or equipment required for specific repair procedures.
Engine Model:
V3800-DI-T (Common for this series, specific to M105S is V3800-DI-T-CR-E2B or similar variant).
Engine Type:
Diesel, 4-cylinder, turbocharged, common rail electronic injection (ECU controlled).
Displacement:
Approximately 3.8 Liters (3769 cc).
Rated Horsepower:
Approximately 105 Gross HP / 90 PTO HP (Specific PTO HP varies by configuration and regulations, but this is a representative figure for the model class).
Peak Torque:
Specific torque figures would be in the manual, but typically in the range of 350-400 Nm for this class.
Injection System:
Common Rail Direct Injection (CRDI) with electronic control unit (ECU).
Fuel Filter Part Number:
Example: Kubota 72571-42090 or equivalent primary/secondary filters (actual part number would be specified in manual).
Engine Oil Specifications
Oil Viscosity:
SAE 15W-40 API CJ-4 or CK-4 recommended for modern diesel engines (specific Kubota recommendation would be in the manual).
Oil Capacity:
Approximately 9.5 - 10.0 Liters (including filter, refer to manual for exact capacity).
Engine Oil Change:
Typically every 250 or 500 operating hours, depending on operating conditions and oil type used. Refer to manual for precise intervals.
Fuel Filter Replacement:
Recommended at every engine oil change or as per manual's schedule, especially after using questionable fuel.
Hydraulic Fluid Change:
Typically every 1000-1500 operating hours, or annually. Includes filter replacement.
Air Filter Cleaning Replacement:
Check and clean air filter element regularly (e.g., daily or weekly depending on dust levels), replace as needed. Specific interval in manual.
Coolant Type:
Ethylene Glycol based coolant (50% mix with distilled water) with freeze protection down to -37°C (-35°F). Kubota Antifreeze is recommended.
Coolant Capacity:
Approx. 15-18 Liters (Refer to manual for exact capacity).
Common Wear Items:
Clutch packs (wet multi-disc), hydraulic pumps, PTO clutches, and fuel injectors can be wear items over extended use. Manual provides checks and replacement procedures.
Electrical Connections:
Corrosion in connectors and wiring harness issues are common in agricultural environments, the manual's electrical section is crucial.
Emissions System:
If equipped with EGR or DPF (less likely for this specific model generation, but possible), these can require cleaning or service. Manual will detail.