Part of the Kubota Repair Manuals.
This is the Kubota Workshop Manual for the 03-M-E2B Series diesel engines, publication number 9Y011-02813. It runs 131 pages with a full text layer and covers the D1503-M, D1703-M, D1803-M, V2003-M, V2203-M, V2003-M-T, and V2403-M engines.
The manual works from engine identification and the maintenance check list through the engine body, cooling, fuel, and turbocharger systems, then into servicing: troubleshooting, servicing specifications, tightening torques, checking and adjusting, and full disassembly and assembly.
Owners and independent mechanics can use it to test compression, torque the cylinder head and main bearing case, set fan belt tension, and rebuild these engines to factory figures. Detailed servicing specifications and clearance limits support every repair.
Other edition of this manual
What's Inside This Kubota 03-Series Diesel Engines Manual
| System | Pages | Key Topics |
|---|---|---|
| General | Engine Identification, General Precautions, Maintenance Check List, Check and Maintenance, Special Tools | |
| Mechanism | Engine Body, Cooling System, Fuel System, Turbocharger System | |
| Servicing | Troubleshooting, Servicing Specifications, Tightening Torques, Checking and Adjusting, Disassembling and Assembling, Component Servicing |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Nozzle holder assembly tightening torque | 49.0 to 68.6 N·m | p. 68 |
| Fuel Injection Pressure | 13.73 to 14.71 MPa | p. 33 |
| Valve Opening Temperature (At Beginning) | 69.5 to 72.5 °C | p. 65 |
| Valve Opening Temperature (Opened Completely) | 85 °C | p. 65 |
| Fan Belt Tension (Deflection) | 7.0 to 9.0 mm (at 98 N of force) | p. 65 |
| Cylinder head screw tightening torque | 93.2 to 98.1 N·m | p. 68 |
| Main bearing case screw 1 (M9 x 1.25) tightening torque | 46.1 to 51.0 N·m | p. 68 |
| Main bearing case screw 2 (M10 x 1.25) tightening torque | 68.6 to 73.5 N·m | p. 68 |
| Compression Pressure (Allowable Limit) | 2.55 MPa / 290 min⁻¹ (rpm) | p. 59 |
| Radiator Cap Pressure Falling Time | More than 10 seconds for pressure fall from 88 to 59 kPa | p. 65 |
| Injection Pressure | 13.73 MPa | p. 6 |
| Lubricating Oil Capacity (90 mm Oil Pan) | 5.6 L | p. 6 |




















