Part of the Kubota Repair Manuals.
This is the Kubota Workshop Manual for the 03-M-E3B, 03-M-DI-E3B, and 03-M-E3BG Series diesel engines, publication number 9Y111-02570. It runs 187 pages with a full text layer and covers a wide model range, from the D1503-M and D1703-M up through the V2403-M, V2403-M-T, and the turbocharged BG variants.
Content runs from engine identification and the maintenance check list into the engine body, cooling, fuel, and turbocharger systems, then into servicing: troubleshooting, servicing specifications, tightening torques, and full disassembly and assembly.
Mechanics and owners can use it to service the injection system, set valve clearance, torque the cylinder head, and overhaul these engines to factory figures. Specifications, dimensions, and wiring diagrams back up every procedure.
Other editions 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, Disassembling and Servicing, Disassembling and Assembling |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| Cylinder head screw tightening torque | 93.2 to 98.0 N·m | p. 103 |
| Hi-idling body tightening torque | 45 to 49 N·m | p. 136 |
| Fuel filter cartridge replacement interval | Every 400 hours | p. 48 |
| Fuel hoses and clamps replacement interval | Every 2 years | p. 32 |
| Radiator hoses and clamps replacement interval | Every 2 years | p. 32 |
| Air cleaner element cleaning pressure | Less than 210 kPa (30 psi) | p. 40 |
| Engine oil level | Between the upper and lower lines of the dipstick | p. 35 |
| Valve Clearance (When Cold) | 0.18 to 0.22 mm | p. 92 |
| D1703-M, D1803-M, V2003-M, V2203-M, V2403-M | ||
| Injection Timing | 0.271 to 0.296 rad (15.5 to 17.0 °) before T.D.C. | p. 100 |
| D1503-M, D1703-M, D1803-M, V2003-M, V2203-M, V2403-M-T, D1703-M-BG, V2203-M-BG, V2403-M-BG | ||
| Nozzle holder assembly (IDI) tightening torque | 49 to 68 N·m | p. 103 |
| D1503-M | ||
| Engine Oil Capacity (90 mm pan) | 5.6 L (1.5 U.S.gals) | p. 8 |
| V2403-M-T | ||
| Engine Oil Capacity (124 mm pan) | 9.5 L (2.5 U.S.gals) | p. 11 |
