Target Audience:
Do-it-yourselfers and experienced mechanics
Value Proposition:
Inexpensive way to keep the vehicle working properly, saves money on postage and packaging due to instant download.
Content Style:
Easy-to-read text sections with top quality diagrams and instructions.
Instruction Format:
Step-by-step instructions, highly detailed exploded pictures & diagrams.
Covered Models:
TYM T390, TYM T400, TYM T430, TYM T450 Tractors
Additional Models Mentioned:
TYM 2810, T290, T300, T330 (mentioned in description for comparison/broader coverage implication, but the primary focus is T390-T450)
Estimated Page Count:
Extensive (details not specified, but typical workshop manuals exceed 500 pages)
Type:
Workshop Service Repair Manual
Engine Systems:
Engine accessories, cooling system, fuel system (implied), lubrication system (implied)
Drivetrain Systems:
Clutch system, transmission, front axle (4WD), front axle (sheet metal), rear axle, brakes
Hydraulic Systems:
Hydraulic system (including old version)
Electrical Systems:
Electric accessories and instruments
Steering System:
Power steering system
Body And Frame:
Sheet metal (front axle sheet metal mentioned), general frame structure and component mounting.
Major Procedures:
Disassembly and reassembly of major components, troubleshooting, maintenance, repair
Engine Repair:
Engine accessories repair and replacement (e.g., starter, alternator, fuel filter, oil filter, water pump).
Transmission Repair:
Detailed procedures for clutch and transmission disassembly, inspection, repair, and reassembly.
Axle Repair:
Front and rear axle assembly repair, including differential and drive components. Specific coverage for 4WD front axle.
Brake System Repair:
Brake system maintenance, adjustment, and repair procedures.
Hydraulic System Repair:
Comprehensive coverage for hydraulic pump, cylinders, valves, and hoses, including specific instructions for older versions.
Depth:
Comprehensive (covers complete disassembly, step-by-step instructions, detailed diagrams)
Diagnostic Capabilities:
Troubleshooting guides and diagnostic tips for common issues across all covered systems.
Component Level Repair:
Detailed diagrams and instructions for repairing or replacing individual components within major assemblies.
Troubleshooting Guides:
Structured troubleshooting charts to diagnose and resolve common mechanical and electrical problems.
Engine Family:
TYM T390, T400, T430, T450 series diesel engines (specific model details not provided in product info, but typically 3-4 cylinder diesel)
Horsepower Range:
Likely ranging from approximately 39 HP (T390) to 45 HP (T450) based on model designations.
Cooling System:
Radiator, thermostat, coolant hoses, water pump maintenance and repair.
Lubrication System:
Oil pump, oil filter, oil passages maintenance and inspection.
Fuel System Components:
Fuel filter, fuel lines, injection pump (if applicable) service.
Transmission Type:
Manual transmission (details of number of gears not specified, but typical for this class are HST or synchronized shuttle shift)
Optional Transmissions:
Not specified in product information.
Gear Selection:
Manual gear selection (details on range/speed not provided)
Power Take Off Pto:
PTO system maintenance and operation (details not specified, but typically rear PTO).
Tractor Type:
Compact Utility Tractor
Operating Weight:
Varies by model, typically in the 3,000-4,500 lb range for this class.
Towing Capacity:
Not specified in product information, but typical for this class is around 2,000-3,000 lbs.
Safety Features Overview:
Rollover Protective Structure (ROPS) typically standard or optional on this class of tractor.
Braking System:
Wet disc brakes, serviceability covered in manual.
Operator Station:
Ergonomic operator station design, guarded PTO, safety switches.
Instrumentation:
Dashboard indicators for engine oil pressure, coolant temperature, battery charge, fuel level, and PTO engagement. Hour meter is standard.
Operator Controls:
Standard mechanical or power steering, brake pedals, clutch pedal (if applicable), throttle, PTO engagement lever, hydraulic control levers.
Electrical Outlets:
12V power outlet for accessories (e.g., phone chargers) often included.
Engine Oil Change:
Typically every 100-250 operating hours or annually, consult manual for exact intervals.
Transmission Hydraulic Filter:
Typically replaced with hydraulic fluid change, often at 200-500 hour intervals.
Air Filter Replacement:
Inspect and replace as needed based on operating conditions, typically annually or sooner if dusty.
Engine Oil Type:
API CG-4 or CH-4 SAE 15W-40 diesel engine oil recommended for most TYM tractors. Consult manual for specific viscosity based on ambient temperature.
Hydraulic Fluid:
TYM Hydro-trans, UTF (Universal Tractor Transmission Fluid) or equivalent. Consult manual for specific grade and capacity.
Transmission Fluid:
See hydraulic fluid specifications, as transmissions and hydraulics often share a common reservoir in tractors of this size.
Gear Oil Specification:
Differential and final drive gears typically use SAE 90W gear oil. Consult manual for specific viscosity and GL rating.
Common Wear Points:
Hydraulic pump performance degradation over time, clutch wear, potential electrical connector corrosion in damp environments, PTO clutch wear.
Preventative Maintenance:
Regular checking of fluid levels, filter replacement, greasing pivot points, inspecting for leaks.
Manufacturer:
TYM (Tong Yang Moolsan) is a South Korean manufacturer of agricultural machinery.
Series Positioning:
These models represent TYM's range of compact to sub-compact utility tractors, designed for small to medium-sized farms, landscaping, and property maintenance.
Market Segment:
Entry-level to mid-range compact tractors, competing with brands like John Deere (3R/4M series), Kubota (L series), Mahindra, and Kioti.
Production Years:
Specific production years not provided, but the T390/T400/T430/T450 likely span a period in the late 2000s to present, with potential model updates.
