Part of the Kubota Repair Manuals.
This Kubota workshop manual covers the V3800-TIEF4, V3800-TIEF4C, and V3800-TIEF4H diesel engines, a four-cylinder 3769 cm3 family with a 17.0 compression ratio used across Kubota-powered equipment. The 344-page PDF is the factory service reference, organized into Information, General, Engine, and Servicing sections.
Inside you get full engine specifications, wiring diagrams, engine and muffler (DPF and SCR) identification, and step-by-step disassembly and servicing procedures for the crankcase, cylinder head, pistons, crankshaft, connecting rods, camshaft, and valve train. Tightening torques, valve clearances, and service intervals are listed with exact values.
With it you can diagnose a hard-starting or smoking engine, set valve clearance, rebuild the top end, and follow the correct torque sequence during reassembly. The text layer is selectable and the file prints cleanly for shop use.
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| Workshop Manual | 1-18 | To the Reader (Information, General, Servicing), Record of Revisions |
| Information | 19-46 | Safety First (Before You Start Service, Start Safely, Operate Safely, Avoiding High Pressure Fluid, Avoiding Hot Exhaust, Cleaning Exhaust Filter, Prevent a Fire, Keep a Good Airflow in the Work Area, Discard Fluids Correctly, Prevent Acid Burns, Preparing for Emergencies) |
| General | 47-103 | Engine Identification (Model Name and Engine Serial Number, Cylinder Number), Muffler Full Assembly Identification (Part Number and Serial Number, Parts Number and Serial Number) |
| Engine | 104-192 | Engine Body (Structure of Engine Body, Engine Body, Crankcase, Cylinder Head, Cylinder Head Cover, Breather, Oil Separator, Piston, Piston Ring, Connecting Rod, Crankshaft, Main Bearing Case, Flywheel, Rocker Arm, Camshaft, Valve, Tappet, Push Rod, Timing Gears, Timing Gears) |
| Troubleshooting | 193-196 | V3800-TIEF4C |
| Servicing Specifications | 197-202 | Servicing Specification for Engine |
| Tightening Torques | 203-204 | Tightening Torques of Screws, Bolts and Nuts for General Use, Bolts and Nuts for Special Use |
| Checking and Adjusting | 205-229 | Checking Compression Pressure of Cylinder, Adjusting Valve Clearance, Checking Engine Oil Pressure, Checking Fan Belt Tension, Checking Fan Belt Damage and Wear, Checking Radiator Cap Air Leakage, Checking Radiator Water Leakage, Checking Battery Voltage |
| Disassembling | 230-251 | Draining Engine Oil, Draining Coolant, Removing Crs Intermediate Harness, Removing External Components, Removing DPF Muffler Full Assembly, Disassembling DPF Assembly, Removing EGR Cooler, Removing Turbocharger |
| Assembling | 252-286 | Assembling Alternator, Assembling Starter, Installing Crankshaft, Installing Main Bearing Case, Installing Crankcase 2, Installing Flywheel Housing, Installing Bearing Case Cover, Installing Flywheel |
| Servicing | 287-344 | Checking Cylinder Head Top Clearance, Checking Cylinder Head Surface Flatness, Checking Cylinder Head Flaw, Checking Valve Recessing, Adjusting Valve Lapping, Replacing Valve Guide, Adjusting Valve Angle, Adjusting Valve Seat |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| V3800-TIEF4, V3800-TIEF4C | ||
| Engine oil capacity (V3800-TIEF4, V3800-TIEF4C) | 13.2 L (3.49 U.S.gals, 2.90 Imp.gals) | p. 25 |
| Battery (V3800-TIEF4, V3800-TIEF4C) | 12 V, 136 AH equivalent | p. 25 |
| Lubricating oil capacity (V3800-TIEF4, V3800-TIEF4C) | 13.2 L | p. 25 |
| V3800-TIEF4H | ||
| Engine oil capacity, V3800-TIEF4H | 16.5 L (4.36 U.S.gals, 3.63 Imp.gals) | p. 25 |
| Battery, V3800-TIEF4H | 12 V, 120 AH equivalent | p. 25 |
| Lubricating oil capacity, V3800-TIEF4H | 16.5 L | p. 25 |
| All Models | ||
| Number of cylinder | 4 | p. 25 |
| Total displacement | 3769 cm³ | p. 25 |
| Minimum bare idling speed | 800 min-1 | p. 25 |
| Compression ratio | 17.0 | p. 25 |
| Starter motor | 12 V, 3.0 kW | p. 25 |
| Cylinder head surface flatness allowable limit | 0.05 mm | p. 197 |
