Part of the Kubota Repair Manuals.
This is the Kubota Workshop Manual for the 03-CR-E4 and 03-CR-TE4BG diesel engines, a 315-page PDF you can download and start using right away. It covers the common rail 03 Series units, including the D1803-CR and V2403-CR variants, working from safety and general service through scheduled maintenance and full engine repair.
With it you can set valve clearance, check compression, torque the cylinder head and connecting rods to factory figures, service the fuel and glow plug systems, and follow the manufacturer's maintenance schedule. The Engine section runs from mechanism through servicing, so you get both how the engine works and the step by step procedures to fix it.
Whether you are an owner keeping a machine running or a mechanic doing a rebuild, this manual gives you the exact sequences and specifications instead of guesswork.
What's Inside This Kubota 03-CR-E4, 03-CR-TE4BG Manual
| System | Pages | Key Topics |
|---|---|---|
| General | General Working Precautions, General Machine Information, Special Tools | |
| Maintenance | Maintenance Check List, Check and Maintenance | |
| Engine | Mechanism, Servicing |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| Main bearing case screw 1 | 46.1 to 51.0 N·m | p. 174 |
| Main bearing case screw 2 | 68.6 to 73.5 N·m | p. 174 |
| Compression Pressure (Service Limit) | 2.35 MPa / 290 min-1 (rpm) | p. 170 |
| Valve Clearance (Cold) | 0.18 to 0.22 mm | p. 170 |
| Cylinder Head Mounting Screw Torque | 93.2 to 98.1 N·m | p. 171 |
| Flywheel Screw Torque | 98.10 to 107.9 N·m | p. 174 |
| Connecting Rod Screw Torque | 40.0 to 45.0 N·m | p. 210 |
| Bore x Stroke | 87 x 102.4 mm | p. 36 |
| Glow Plug Resistance | Approx. 0.8 Ω | p. 185 |
| D1803-CR-E4, D1803-CR-TE4, D1803-CR-TIE4, D1803-CR-TIE4BG | ||
| Engine Oil Capacity (D1803-CR-E4, D1803-CR-TE4, D1803-CR-TIE4, D1803-CR-TIE4BG) | 7.0 L | p. 76 |
| V2403-CR-E4, V2403-CR-TE4, V2403-CR-TIE4, V2403-CR-TE4BG, V2403-CR-TIE4BG | ||
| Engine Oil Capacity (V2403-CR-E4, V2403-CR-TE4, V2403-CR-TIE4, V2403-CR-TE4BG, V2403-CR-TIE4BG) | 9.5 L | p. 76 |
| D1803-CR-E4, D1803-CR-TE4 | ||
| Maximum Bare Speed | 2900 min-1 (rpm) | p. 36 |




















