Workshop Manual for Kioti™ Daedong DK50S, DK55, DK501, and DK551 Tractors (2004-present)

Kioti™ Daedong DK50S, DK55, DK501, and DK551 Tractor Workshop Manual (2004-present)

Keep your Kioti™ tractor running at peak performance with this comprehensive Workshop Manual. This technical guide is specifically designed for the Kioti™ Daedong DK series, providing owners and professional mechanics with the exact factory specifications and step-by-step procedures required for maintenance, diagnostics, and complex repairs.

This manual covers the high-performance Daedong A-series engines—vertical, water-cooled, 4-cycle, four-cylinder diesel engines known for their swirl combustion chambers and Bosch K-type fuel injection pumps. Whether you are performing a simple oil change or a complete transmission overhaul, this document provides the high-resolution diagrams and torque values essential for a professional-grade result.

Professional-Grade Technical Coverage

This Workshop Manual is organized into 11 detailed chapters to ensure no component is overlooked:

• General Information: Critical tractor identification data, technical specifications, lubricant capacities, and a comprehensive maintenance checklist for 50 to 500-hour service intervals.
• Engine System: In-depth coverage of the Daedong diesel engine, including the lubricating system, cooling system, and fuel injection pump timing.
• Clutch and Transmission: Detailed schematics of the single-plate dry travel clutch and the wet-multi plate PTO clutch. Includes complete power train diagrams for the 12-forward/12-reverse gear configurations.
• Axle and Steering: Full service procedures for the front and rear axles, including the hydrostatic steering system, planetary gear reduction, and differential lock mechanisms.
• Hydraulic and Brake Systems: Analysis of the hydraulic oil flow, MLS valves, and the mechanical wet-disc brake system.
• Cabin and Electrical: Complete wiring diagrams, wire color codes (AVS/AVSS), fuse/relay box layouts, and servicing for the heater and air conditioning systems.

Model Specifics and Identification

This manual is optimized for the following Kioti™ Daedong models (2004-present):

• DK50S: Compact utility powerhouse with advanced Daedong diesel technology.
• DK55: Increased horsepower variant for demanding agricultural tasks.
• DK501: Enhanced series featuring updated operator controls and hydraulic efficiency.
• DK551: Top-tier model in the series, offering maximum PTO performance and cabin comfort.

Serial Number Location for Service: To ensure you are using the correct data, always verify your tractor's identity. The Chassis Serial Number is located on the right side of the front axle support. The Engine Serial Number is stamped on the right side of the cylinder block.

Why This Manual is Essential for Every Owner

• Troubleshooting Tables: Each chapter includes "Symptom - Probable Cause - Solution" charts to help you diagnose issues like engine overheating, clutch slip, or hydraulic pressure loss in minutes.
• Precision Specs: Includes factory specs and allowable wear limits for critical components such as piston ring gaps, clutch disc thickness, and fuel injection pressures (14.71 MPa).
• Mobile-Friendly Reference: Designed for easy reading on tablets and smartphones, allowing you to bring the technical data directly into the workshop or the field.
• Safety First: Contains vital assembly and disassembly precautions, including specific instructions for using cranes and lifting positions to prevent equipment damage.

Ensure your investment is protected by using the same technical information used by factory-authorized service centers. From the 4WD Q/T clutch to the intricate electric signal systems, this manual is the ultimate resource for the Kioti™ Daedong DK series.