Part of the Kubota Repair Manuals.
OEM #9Y011-02460, 100 pages, built for one job: rebuilding your Kubota D1403-B (E), D1703-B (E), V1903-B (E), V2203-B (E), or F2803-B (E) diesel to factory spec. Thorough disassembly and servicing procedures walk every assembly. Exploded views detail the engine body, from cylinder block through flywheel. Troubleshooting charts trace each symptom straight to its cause. Mechanism sections break down the lubricating, cooling, fuel, and intake systems, with performance curves and a maintenance check list included. Torque the cylinder head bolts to 93.1 to 98.0 N-m, set valve clearance cold at 0.18 to 0.22 mm, confirm flywheel bolts hit 98.0 to 107.8 N-m, and note the 92.4 mm stroke shared across the series. No more guessing clearances off a worn forum thread. Bookmarked and searchable, so you land on the right section fast.
Other edition of this manual
What's Inside This Kubota B-Series Diesel Engines Manual
| System | Pages | Key Topics |
|---|---|---|
| Specifications | Number of Cylinders, Total Displacement, Combustion Chamber, Fuel Injection Pump, Governor, Injection Nozzle, Lubricating System, Lubricating Filter | |
| Performance Curves | D1403-B (E), D1703-B (E), V1903-B (E), V2203-B (E), F2803-B (E) | |
| Engine Body | Cylinder Head, Valves, Gear Case, Piston, Connecting Rod, Flywheel, Crankshaft | |
| Lubricating System | Engine Oil, Oil Strainer, Oil Pump, Relief Valve, Inner Rotor, Outer Rotor, Pump Body, Rotor | |
| Cooling System | Fan Belt, Radiator, Thermostat, Water Pump | |
| Fuel System | Injection Pump, Injection Nozzle, Pump Element, Delivery Valve, Nozzle Holder, Adjusting Washer, Nozzle Spring, Push Rod | |
| Electrical System | Starter, Glow Plug, Alternator and Regulator, Alternator |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| Head bolt torque | 93.1 to 98.0 N-m | p. 34 |
| Bearing case bolt 1 (M9) torque | 46.1 to 50.9 N-m | p. 34 |
| Bearing case bolt 2 (M10) torque | 68.6 to 73.5 N-m | p. 34 |
| Rocker arm bracket nut torque | 22.5 to 27.5 N-m | p. 34 |
| Valve clearance (Cold) | 0.18 to 0.22 mm | p. 37 |
| Stroke | 92.4 mm | p. 34 |
| Fuel filter cartridge replacement interval | Every 400 hours | p. 47 |
| Glow plug torque | 19.6 to 24.5 N-m | p. 34 |
| Flywheel bolt torque | 98.0 to 107.8 N-m | p. 34 |
| Connecting rod bolt torque (flange bolt) | 44.1 to 49.0 N-m | p. 34 |
| D1403-B(E), D1703-B(E), V1903-B(E), V2203-B(E) | ||
| Injection timing (['D1403-B(E)', 'D1703-B(E)', 'V1903-B(E)', 'V2203-B(E)']) | 0.30 to 0.33 rad. (17° to 19° before) T.D.C. | p. 42 |
| F2803-B(E) | ||
| Injection timing, ['F2803-B(E)'] | 0.31 to 0.35 rad. (18° to 20° before) T.D.C. | p. 42 |



















