🏷️ Basic Information Identification Make: TYM Model: T433HST-T503HST Product Type: Parts Manual Codes Model Codes: T433HST, T503HST 👋 Introduction Market Position Market Segment: Compact Utility Tractor, Sub-Compact Tractor Competitive Analysis Competitors: Kubota (L-series, BX-series), John Deere (3E, 4E series), Mahindra (Max series, eMax series), Kioti (DK series, CS series), Yanmar (SA series). Key Features Tractor Features: Hydrostatic Transmission (HST) for seamless speed control, 4WD capability, independent rear PTO, robust hydraulic system for implement operation, comfortable operator station, suitable for a wide range of property maintenance and light agricultural tasks. Manual Value Proposition: Essential for identifying and ordering correct replacement parts, ensuring proper maintenance and repair of TYM tractors, reducing downtime, and maintaining the longevity and performance of the equipment. 📋 Manual Details Coverage Areas Covered Systems: Engine, Transmission (HST), Drivetrain, Hydraulics, Steering, Brakes, Electrical, Chassis, Bodywork, PTO, 3-Point Hitch, Operator Station, Cooling System, Fuel System, Lubrication System, Air Intake System, Exhaust System, Attachments Page Count Estimated Page Count: High (Detailed Parts Catalog, likely 300+ pages) Manual Type Manual Type: Parts Manual / Parts Catalog Language Language: English Format File Format: PDF 📖 Manual Coverage Systems Covered Engine Parts: Detailed breakdowns of engine components including pistons, rings, crankshaft, camshaft, valves, cylinder head, oil pump, water pump, fuel injectors, glow plugs, filters, and related gaskets/seals. Transmission Parts Hst: Comprehensive listing of hydrostatic transmission components: pump, motor, hydraulic lines, filters, control linkages, oil coolers, and associated seals and bearings. Drivetrain Parts: Includes parts for front and rear axles, differentials, drive shafts, universal joints, final drives, and wheel hubs. Hydraulic System Parts: Covers hydraulic pump, control valves, cylinders (lift, steering), hydraulic lines, hoses, filters, fluid reservoir, and associated fittings and seals. Steering System Parts: Includes components of the hydrostatic power steering system: steering cylinder, control valve, steering column, linkages, and associated seals and hydraulic lines. Brake System Parts: Details mechanical brake components, including levers, linkages, brake discs, pads, calipers (if applicable), and parking brake mechanisms. Electrical System Parts: Wiring harnesses, battery, starter motor, alternator, fuses, relays, switches, lights (headlights, taillights, work lights), and dashboard components. Chassis And Frame Parts: Frame components, drawbar, front axle support, engine mounting brackets, and all related fasteners and structural elements. Bodywork And Operator Station Parts: Fenders, hood, grille, seat, control levers, pedals, floor mats, steering wheel, operator platform, and any cab components if equipped. Pto And 3 Point Hitch Parts: Rear PTO components (shaft, gears, clutch), and all parts of the 3-point hitch system including lift arms, stabilizers, top link, and mounting hardware. Attachment Interface Parts: Components related to the mounting and operation of front loaders, mid-mount mowers, or other common tractor attachments if applicable to this model line. Procedures Included Part Identification: Identification of all replaceable parts with unique part numbers, descriptive names, and quantities required per assembly. Assembly Breakdowns: Detailed exploded view diagrams for each major assembly, illustrating the correct order and orientation of parts for assembly and disassembly. Fastener Specifications: Identification of critical fasteners (bolts, nuts, washers) with their specific sizes, grades, and potentially torque specifications for critical applications (though torque specs are more common in service manuals). Technical Depth Technical Depth: Highly detailed, focused on the identification and sourcing of individual components for repair and replacement. Primarily visual and numerical part identification, not procedural repair steps. 📊 Manual Specifications File Format File Format: PDF Print Quality Printability: Full Printable (allows for printing individual pages or the entire document) Zoom Capability: Zoom IN/OUT (allows for detailed inspection of diagrams and part numbers) Binding Type Binding Type: Digital (N/A for PDF) Paper Type Paper Type: Digital (N/A for PDF) Compatibility Operating Systems: Compatible with all Versions of Windows & Mac Requirements Software Requirements: Adobe PDF Reader & WinRar Delivery Delivery Method: Instant Download ⚙️ Engine Specifications Primary Engine Engine Manufacturer Typical: Often fitted with engines from reputable manufacturers like Yanmar, Mitsubishi, or TYM's own branded engines. Performance Horsepower Range Typical: Approximately 43-50 HP (T433HST-T503HST designation suggests this range). Fuel System Fuel Type: Diesel Injection Type Typical: Direct Injection, Common Rail (depending on specific engine variant). Cooling System Cooling Method: Liquid-cooled 🔧 Transmission Standard Transmission Type: Hydrostatic Transmission (HST) with 2 or 3 speed ranges (e.g., LO/HI or LO/MED/HI). Optional Optional Transmission: Typically HST is the primary or only option for these models in this horsepower class. Features Transmission Features: Features like cruise control, forward/reverse pedal operation, and an integrated PTO engagement switch. Fluid Specifications Transmission Fluid Type Typical: Tractor Hydraulic Fluid (THF), UTTO (Universal Tractor Transmission Oil), or specific TYM branded fluid. Refer to owner's manual for exact specification. Likely ISO VG 46 or similar. 📐 Dimensions Exterior Overall Length Typical: Approx. 3.5 - 4.0 meters (without implements). Overall Width Typical: Approx. 1.5 - 1.8 meters (standard tires). Wheelbase Typical: Approx. 1.8 - 2.0 meters. Weights Operating Weight Typical: Approx. 1500 - 1900 kg (unballasted). Drawbar Category:...
Hydrostatic Transmission (HST) for seamless speed control, 4WD capability, independent rear PTO, robust hydraulic system for implement operation, comfortable operator station, suitable for a wide range of property maintenance and light agricultural tasks.
Manual Value Proposition:
Essential for identifying and ordering correct replacement parts, ensuring proper maintenance and repair of TYM tractors, reducing downtime, and maintaining the longevity and performance of the equipment.
Detailed breakdowns of engine components including pistons, rings, crankshaft, camshaft, valves, cylinder head, oil pump, water pump, fuel injectors, glow plugs, filters, and related gaskets/seals.
Transmission Parts Hst:
Comprehensive listing of hydrostatic transmission components: pump, motor, hydraulic lines, filters, control linkages, oil coolers, and associated seals and bearings.
Drivetrain Parts:
Includes parts for front and rear axles, differentials, drive shafts, universal joints, final drives, and wheel hubs.
Hydraulic System Parts:
Covers hydraulic pump, control valves, cylinders (lift, steering), hydraulic lines, hoses, filters, fluid reservoir, and associated fittings and seals.
Steering System Parts:
Includes components of the hydrostatic power steering system: steering cylinder, control valve, steering column, linkages, and associated seals and hydraulic lines.
Brake System Parts:
Details mechanical brake components, including levers, linkages, brake discs, pads, calipers (if applicable), and parking brake mechanisms.
Electrical System Parts:
Wiring harnesses, battery, starter motor, alternator, fuses, relays, switches, lights (headlights, taillights, work lights), and dashboard components.
Chassis And Frame Parts:
Frame components, drawbar, front axle support, engine mounting brackets, and all related fasteners and structural elements.
Bodywork And Operator Station Parts:
Fenders, hood, grille, seat, control levers, pedals, floor mats, steering wheel, operator platform, and any cab components if equipped.
Pto And 3 Point Hitch Parts:
Rear PTO components (shaft, gears, clutch), and all parts of the 3-point hitch system including lift arms, stabilizers, top link, and mounting hardware.
Attachment Interface Parts:
Components related to the mounting and operation of front loaders, mid-mount mowers, or other common tractor attachments if applicable to this model line.
Procedures Included
Part Identification:
Identification of all replaceable parts with unique part numbers, descriptive names, and quantities required per assembly.
Assembly Breakdowns:
Detailed exploded view diagrams for each major assembly, illustrating the correct order and orientation of parts for assembly and disassembly.
Fastener Specifications:
Identification of critical fasteners (bolts, nuts, washers) with their specific sizes, grades, and potentially torque specifications for critical applications (though torque specs are more common in service manuals).
Technical Depth
Technical Depth:
Highly detailed, focused on the identification and sourcing of individual components for repair and replacement. Primarily visual and numerical part identification, not procedural repair steps.
📊 Manual Specifications
File Format
File Format:
PDF
Print Quality
Printability:
Full Printable (allows for printing individual pages or the entire document)
Zoom Capability:
Zoom IN/OUT (allows for detailed inspection of diagrams and part numbers)
Binding Type
Binding Type:
Digital (N/A for PDF)
Paper Type
Paper Type:
Digital (N/A for PDF)
Compatibility
Operating Systems:
Compatible with all Versions of Windows & Mac
Requirements
Software Requirements:
Adobe PDF Reader & WinRar
Delivery
Delivery Method:
Instant Download
⚙️ Engine Specifications
Primary Engine
Engine Manufacturer Typical:
Often fitted with engines from reputable manufacturers like Yanmar, Mitsubishi, or TYM's own branded engines.
Performance
Horsepower Range Typical:
Approximately 43-50 HP (T433HST-T503HST designation suggests this range).
Fuel System
Fuel Type:
Diesel
Injection Type Typical:
Direct Injection, Common Rail (depending on specific engine variant).
Cooling System
Cooling Method:
Liquid-cooled
🔧 Transmission
Standard
Transmission Type:
Hydrostatic Transmission (HST) with 2 or 3 speed ranges (e.g., LO/HI or LO/MED/HI).
Optional
Optional Transmission:
Typically HST is the primary or only option for these models in this horsepower class.
Features
Transmission Features:
Features like cruise control, forward/reverse pedal operation, and an integrated PTO engagement switch.
Fluid Specifications
Transmission Fluid Type Typical:
Tractor Hydraulic Fluid (THF), UTTO (Universal Tractor Transmission Oil), or specific TYM branded fluid. Refer to owner's manual for exact specification. Likely ISO VG 46 or similar.
📐 Dimensions
Exterior
Overall Length Typical:
Approx. 3.5 - 4.0 meters (without implements).
Overall Width Typical:
Approx. 1.5 - 1.8 meters (standard tires).
Wheelbase Typical:
Approx. 1.8 - 2.0 meters.
Weights
Operating Weight Typical:
Approx. 1500 - 1900 kg (unballasted).
Drawbar Category:
Category 1
🛡️ Safety Features
Ratings
Rollover Protection Structure Rops:
ROPS (Roll-Over Protective Structure) typically standard, with optional foldable ROPS.
Seat belt for operator safety (essential with ROPS).
Operator Presence System:
Typically includes an operator presence switch that disengages PTO and transmission when operator leaves the seat.
💡 Technology Features
Infotainment
Infotainment Features:
Basic dashboard instrumentation (tachometer, engine temp, fuel gauge, warning lights). Infotainment systems are not a primary feature of this class of tractor.
Driver Assistance
Driver Assistance Features:
Mainly focuses on operator ergonomics and ease of control (e.g., HST pedals, power steering). No electronic driver assistance features like adaptive cruise control or lane keeping assist.
Connectivity
Connectivity Features:
Typically includes 12V power outlet for accessory charging. No integrated Bluetooth or Wi-Fi.
🔧 Maintenance
Service Intervals
Engine Oil Change Interval Typical:
50 hours (initial break-in), then every 100-200 hours or annually, depending on operating conditions. Specific grade and capacity found in service manual.
Transmission Oil Change Interval Typical:
200-400 hours or annually. Fluid type is critical.
Hydraulic Filter Change Interval Typical:
200-400 hours or annually, often concurrent with transmission service.
Fluid Specifications
Engine Oil Type Typical:
API CJ-4 or CK-4, SAE 10W-30 or 15W-40 Diesel Engine Oil. Check specific viscosity based on ambient temperature.
Coolant Type Typical:
Ethylene glycol-based, permanent type antifreeze with a 50/50 mix with distilled water. Extended life coolant (ELC) may be specified.
Known Issues
Common Wear Parts:
Wear items include tires, filters (air, fuel, oil, hydraulic), PTO clutch (heavy use), and hydraulic hoses/seals due to vibration and pressure cycles.
Hst Maintenance Considerations:
Regular inspection and replacement of HST filters and fluid are crucial for the longevity of the hydrostatic transmission. Contamination is a primary cause of HST failure.
📚 Vehicle History
Brand Heritage
Brand Origin:
TYM (Tong Yang Moolsan) is a South Korean manufacturer known for producing reliable compact and sub-compact tractors for the global market.
Model Evolution
Model Line Context:
The T433HST and T503HST represent TYM's offering in the popular 40-50 horsepower segment, designed for versatility in various applications from small farms to landscaping and property maintenance.
Production
Typical Production Years:
These models have been in production for several years, with updates to engine emissions and features. Specific year ranges would depend on the exact sub-model and region.
🏆 Awards & Recognition
Recognitions
Industry Awards:
While specific awards for these models may not be widely publicized, TYM tractors are generally recognized for their value, reliability, and performance in the compact tractor market.
Ratings
Customer Satisfaction:
Often rated well by users for build quality and capability relative to price point. Dealer support and parts availability are key factors in user satisfaction.
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