This workshop service manual covers the Kubota 03 and 03-M series diesel engines, ranging from 25-56 horsepower. It specifically details various 3-cylinder and 4-cylinder vertical, water-cooled, 4-cycle diesel engine models, including the D1503-M, D1703-M, D1803-M, V2003-M, V2203-M, and V2403-M series, along with their turbocharged and direct-injection variants, and BG models. These engines are engineered for robust performance and reliability in demanding applications.
This comprehensive manual provides essential information for the maintenance, repair, and troubleshooting of these Kubota diesel engines. It includes detailed sections on safety instructions, specifications, engine identification, maintenance checklists, special tools, and step-by-step procedures for engine disassembly and assembly. Furthermore, it covers critical systems such as the cooling, fuel, lubrication, and electrical systems, as well as the governor, turbocharger, and electronic governor. This resource is designed to assist both owners and professional technicians in ensuring the optimal performance and longevity of their equipment.
KUBOTA 03 & 03-M SERIES 25-56HP DIESEL ENGINE WORKSHOP SERVICE MANUAL
APPLICABLE ENGINE MODEL:
1499 cc 3-CYLINDER VERTICAL, WATER-COOLED, 4-CYCLE, KUBOTA D1503-M DIESEL ENGINE
1647 cc 3-CYLINDER VERTICAL, WATER-COOLED, 4-CYCLE, KUBOTA D1703-M DIESEL ENGINE
1826 cc 3-CYLINDER VERTICAL, WATER-COOLED, 4-CYCLE, KUBOTA D1803-M DIESEL ENGINE
1999 cc 4-CYLINDER VERTICAL, WATER-COOLED, 4-CYCLE, KUBOTA V2003-M DIESEL ENGINE
2197 cc 4-CYLINDER VERTICAL, WATER-COOLED, 4-CYCLE, KUBOTA V2203-M DIESEL ENGINE
2434 cc 4-CYLINDER VERTICAL, WATER-COOLED, 4-CYCLE, KUBOTA V2403-M DIESEL ENGINE
2434 cc 4-CYLINDER VERTICAL, WATER-COOLED, 4-CYCLE, KUBOTA V2403-M-T DIESEL ENGINE
1826 cc 3-CYLINDER VERTICAL, WATER-COOLED, 4-CYCLE, KUBOTA D1803-M-DI DIESEL ENGINE
2434 cc 4-CYLINDER VERTICAL, WATER-COOLED, 4-CYCLE, KUBOTA V2403-M-DI DIESEL ENGINE
2434 cc 4-CYLINDER VERTICAL, WATER-COOLED, 4-CYCLE, KUBOTA V2403-M-DI-T DIESEL ENGINE
1647 cc 3-CYLINDER VERTICAL, WATER-COOLED, 4-CYCLE, KUBOTA D1703-M-BG DIESEL ENGINE
1999 cc 4-CYLINDER VERTICAL, WATER-COOLED, 4-CYCLE, KUBOTA V2003-M-BG DIESEL ENGINE
1999 cc 4-CYLINDER VERTICAL, WATER-COOLED, 4-CYCLE, KUBOTA V2003-M-T-BG DIESEL ENGINE
2197 cc 4-CYLINDER VERTICAL, WATER-COOLED, 4-CYCLE, KUBOTA V2203-M-BG DIESEL ENGINE
2434 cc 4-CYLINDER VERTICAL, WATER-COOLED, 4-CYCLE, KUBOTA V2403-M-BG DIESEL ENGINE
CONTENTS:
SAFETY INSTRUCTION
SPECIFICATION
ENGINE IDENTIFICATION
MAINTENANCE CHECK LIST
SPECIAL TOOLS
ENGINE BODY
PISTON/HEAD COVER
COOLING SYSTEM
BOTTOM BYPASS SYSTEM
FUEL SYSTEM
GOVERNOR
TURBOCHARGER SYSTEM
BOOST COMPENSATOR
ELECTRONIC GOVERNOR
TIGHTENING TORQUE
LUBRICATION SYSTEM
ELECTRICAL SYSTEM
ENGINE DISASSEMBLING
ENGINE ASSEMBLING
STARTER & ALTERNATOR
CRANKSHAFT/FLYWHEEL
CYLINDER/OIL PUMP
EXTERNAL COMPONENTS
TROUBLESHOOTING
WIRING DIAGRAM
THIS MANUAL IS COMPATIBLE WITH THE FOLLOWING COMPUTER OPERATING SYSTEMS:
# ALL WINDOWS VERSION
# ALL MAC VERSION
# YOU NEED THE ADOBE ACROBAT READER TO VIEW THE DOCUMENT AS THE MANUAL IS PDF FORMAT. IF YOUR COMPUTER DON'T HAVE THIS APPLICATION YOU CAN DOWNLOAD AND INSTALL IT FREE FROM ADOBE ACROBAT WEBSITE
# AS THIS MANUAL IS COMING TO YOU IN ZIP FORMAT, YOU NEED TO EXTRACT THE FILE BEFORE USE BY USING WINZIP OR WINRAR SOFTWARE. IF YOUR COMPUTER DON'T HAVE THIS APPLICATION YOU CAN DOWNLOAD AND INSTALL IT FREE FROM WINZIP WEBSITE
THIS IS A VERY COMPREHENSIVE AND INTUITIVE ELECTRONIC PDF FORMAT WORKSHOP MANUAL WHICH HAS DETAILED ILLUSTRATIONS AS WELL AS STEP BY STEP INSTRUCTIONS WITH PICTURES & DIAGRAMS. ALL PAGES ARE PRINTABLE, SO RUN OFF WHAT YOU NEED AND TAKE IT WITH YOU INTO THE GARAGE OR WORKSHOP. THIS MANUAL ARE YOUR NUMBER ONE SOURCE FOR REPAIR AND SERVICE INFORMATION. THEY ARE SPECIFICALLY WRITTEN FOR THE DO-IT-YOURSELF AS WELL AS THE EXPERIENCED MECHANIC. USING THIS REPAIR MANUAL IS AN INEXPENSIVE WAY TO KEEP YOUR MACHINE/VEHICLE WORKING PROPERLY. EACH MANUAL PROVIDES STEP-BY-STEP INSTRUCTIONS BASED ON THE COMPLETE DIS-ASSEMBLY OF THE MACHINE. SO, IT ALLOWING YOU TO STOP WASTING MONEY ON ROUTINE MAINTENANCE, AND GIVE YOU ALL THE SOLID INFORMATION AND GUIDANCE NEEDED TO PERFORM LARGER REPAIRS AND MODIFICATIONS AT HOME.
KUBOTA 03 & 03-M SERIES 25-56HP DIESEL ENGINE WORKSHOP SERVICE MANUAL
APPLICABLE ENGINE MODEL:
1499 cc 3-CYLINDER VERTICAL, WATER-COOLED, 4-CYCLE, KUBOTA D1503-M DIESEL ENGINE
1647 cc 3-CYLINDER VERTICAL, WATER-COOLED, 4-CYCLE, KUBOTA D1703-M DIESEL ENGINE
1826 cc 3-CYLINDER VERTICAL, WATER-COOLED, 4-CYCLE, KUBOTA D1803-M DIESEL ENGINE
1999 cc 4-CYLINDER VERTICAL, WATER-COOLED, 4-CYCLE, KUBOTA V2003-M DIESEL ENGINE
2197 cc 4-CYLINDER VERTICAL, WATER-COOLED, 4-CYCLE, KUBOTA V2203-M DIESEL ENGINE
2434 cc 4-CYLINDER VERTICAL, WATER-COOLED, 4-CYCLE, KUBOTA V2403-M DIESEL ENGINE
2434 cc 4-CYLINDER VERTICAL, WATER-COOLED, 4-CYCLE, KUBOTA V2403-M-T DIESEL ENGINE
1826 cc 3-CYLINDER VERTICAL, WATER-COOLED, 4-CYCLE, KUBOTA D1803-M-DI DIESEL ENGINE
2434 cc 4-CYLINDER VERTICAL, WATER-COOLED, 4-CYCLE, KUBOTA V2403-M-DI DIESEL ENGINE
2434 cc 4-CYLINDER VERTICAL, WATER-COOLED, 4-CYCLE, KUBOTA V2403-M-DI-T DIESEL ENGINE
1647 cc 3-CYLINDER VERTICAL, WATER-COOLED, 4-CYCLE, KUBOTA D1703-M-BG DIESEL ENGINE
1999 cc 4-CYLINDER VERTICAL, WATER-COOLED, 4-CYCLE, KUBOTA V2003-M-BG DIESEL ENGINE
1999 cc 4-CYLINDER VERTICAL, WATER-COOLED, 4-CYCLE, KUBOTA V2003-M-T-BG DIESEL ENGINE
2197 cc 4-CYLINDER VERTICAL, WATER-COOLED, 4-CYCLE, KUBOTA V2203-M-BG DIESEL ENGINE
2434 cc 4-CYLINDER VERTICAL, WATER-COOLED, 4-CYCLE, KUBOTA V2403-M-BG DIESEL ENGINE
CONTENTS:
SAFETY INSTRUCTION
SPECIFICATION
ENGINE IDENTIFICATION
MAINTENANCE CHECK LIST
SPECIAL TOOLS
ENGINE BODY
PISTON/HEAD COVER
COOLING SYSTEM
BOTTOM BYPASS SYSTEM
FUEL SYSTEM
GOVERNOR
TURBOCHARGER SYSTEM
BOOST COMPENSATOR
ELECTRONIC GOVERNOR
TIGHTENING TORQUE
LUBRICATION SYSTEM
ELECTRICAL SYSTEM
ENGINE DISASSEMBLING
ENGINE ASSEMBLING
STARTER & ALTERNATOR
CRANKSHAFT/FLYWHEEL
CYLINDER/OIL PUMP
EXTERNAL COMPONENTS
TROUBLESHOOTING
WIRING DIAGRAM
THIS MANUAL IS COMPATIBLE WITH THE FOLLOWING COMPUTER OPERATING SYSTEMS:
# ALL WINDOWS VERSION
# ALL MAC VERSION
# YOU NEED THE ADOBE ACROBAT READER TO VIEW THE DOCUMENT AS THE MANUAL IS PDF FORMAT. IF YOUR COMPUTER DON'T HAVE THIS APPLICATION YOU CAN DOWNLOAD AND INSTALL IT FREE FROM ADOBE ACROBAT WEBSITE
# AS THIS MANUAL IS COMING TO YOU IN ZIP FORMAT, YOU NEED TO EXTRACT THE FILE BEFORE USE BY USING WINZIP OR WINRAR SOFTWARE. IF YOUR COMPUTER DON'T HAVE THIS APPLICATION YOU CAN DOWNLOAD AND INSTALL IT FREE FROM WINZIP WEBSITE
THIS IS A VERY COMPREHENSIVE AND INTUITIVE ELECTRONIC PDF FORMAT WORKSHOP MANUAL WHICH HAS DETAILED ILLUSTRATIONS AS WELL AS STEP BY STEP INSTRUCTIONS WITH PICTURES & DIAGRAMS. ALL PAGES ARE PRINTABLE, SO RUN OFF WHAT YOU NEED AND TAKE IT WITH YOU INTO THE GARAGE OR WORKSHOP. THIS MANUAL ARE YOUR NUMBER ONE SOURCE FOR REPAIR AND SERVICE INFORMATION. THEY ARE SPECIFICALLY WRITTEN FOR THE DO-IT-YOURSELF AS WELL AS THE EXPERIENCED MECHANIC. USING THIS REPAIR MANUAL IS AN INEXPENSIVE WAY TO KEEP YOUR MACHINE/VEHICLE WORKING PROPERLY. EACH MANUAL PROVIDES STEP-BY-STEP INSTRUCTIONS BASED ON THE COMPLETE DIS-ASSEMBLY OF THE MACHINE. SO, IT ALLOWING YOU TO STOP WASTING MONEY ON ROUTINE MAINTENANCE, AND GIVE YOU ALL THE SOLID INFORMATION AND GUIDANCE NEEDED TO PERFORM LARGER REPAIRS AND MODIFICATIONS AT HOME.
