Factory-level procedures for the Kubota V3800-CR-TE4, V3800-CR-TIE4, and V3800-TIE4 OEM engine, all in one 201-page reference (OEM #9Y111-06516). Coverage runs across every Tier 4 variant: CR-TE4, CR-TIE4, CR-TE4C, CR-TIE4C, TIE4, and TIE4C. The wiring section spans 9 pages, mapping the engine intermediate harness, injector harness, and ECU harness, while hydraulic schematics trace the common rail from supply pump through rail to injector. Torque values fill 3 dedicated pages, exploded assembly views run through the Engine Mechanism chapter, and a separate troubleshooting section walks ECU fault diagnosis and Diesel Particulate Filter servicing. Fill the sump to 13.2 L and torque M8 fasteners to 18 to 20 N·m, both factory-verified rather than forum guesses. With your engine down and the clock running, search any spec by keyword, jump by bookmark, and open it on any device.
What's Inside This Kubota V3800 Series Manual
| System | Pages | Key Topics |
|---|---|---|
| Record of Revisions | 3 | ENGINE IDENTIFICATION, MUFFLER FULL ASSEMBLY IDENTIFICATION, Change of Radiator Coolant, Compression Tester Adaptor, Diesel Particulate Filter (DPF), SCV |
| Information | 4-26 | Safety First, Specifications, Performance Curves, Dimensions |
| General | 27-69 | Engine Identification (Model Name And Engine Serial Number, Cylinder Number, Muffler Full Assembly Identification), Maintenance Check List (Daily Check Points) |
| Engine Mechanism | 70-107 | Engine (Cylinder Block, Cylinder Head, Piston), Lubricating System (Oil Cooler), Cooling System (Thermostat, Bottom Bypass System) |
| Servicing | 108-200 | Troubleshooting, Servicing Specifications, Tightening Torques, Checking, Disassembling and Servicing, Disassembling and Assembling, Engine Body and Servicing, Timing Gears |
| Editor | 201 | Engine Service Department, Address, Phone, Fax, E-mail, Kubota Corporation, Printed In Japan, Code Number |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| General Torque (No Mark) M6 | 7.9 to 9.3 N·m (0.80 to 0.95 kgf·m, 5.8 to 6.8 lbf·ft) | p. 120 |
| General Torque (No Mark) M8 | 18 to 20 N·m (1.8 to 2.1 kgf·m, 13 to 15 lbf·ft) | p. 120 |
| Lubricating Oil Capacity | 13.2 L (3.49 U.S.gals) | p. 10 |
| Fuel Type | Ultra Low Sulfur Diesel Fuel only < 0.0015 % (15 ppm) | p. 36 |
| Coolant Change Interval (L.L.C.) | Every 2 years | p. 34 |
| Total Displacement | 3.769 cm³ | p. 10 |
| Weight (Dry) | 324 kg | p. 10 |
| Cylinder Head Surface Flatness (Allowable Limit) | 0.05 mm | p. 113 |
| Valve Clearance (Cold, Factory Spec) | 0.23 to 0.27 mm | p. 114 |
| V3800-CR-TE4, V3800-CR-TIE4, V3800-CR-TE4C, V3800-TIE4, V3800-TIE4C | ||
| Engine Oil Change Interval | Every 500 Hrs or 1 year whichever comes first | p. 35 |
| V3800-CR-TE4, V3800-CR-TE4C, V3800-CR-TIE4, V3800-CR-TIE4C | ||
| Compression Pressure (Factory Spec) | 3.09 to 3.28 MPa / 200 min⁻¹ (rpm) | p. 113 |
| V3800-TIE4, V3800-TIE4C | ||
| Compression Pressure (Factory Spec) | 2.95 to 3.13 MPa / 200 min⁻¹ (rpm) | p. 113 |
Kubota V3800 Series Common Problems This Manual Covers
Low oil pressure warning lights up at idle after a long stretch of heavy-load operation p. 119
Verify the oil sits at the full 13.2 L capacity, then inspect the strainer and relief valve for debris. Read oil pressure at idle: anything under the 50 kPa allowable limit on page 119 points to a worn oil pump, which should come out and be replaced.
Manual Section: Oil pressure is lowEngine cranks at normal speed but won't fire on a cold morning p. 109
Work through the no-start troubleshooting steps first. Check the fuel system for air leaks and rule out incorrect valve timing, then measure the cold valve clearance. Reset it to the factory 0.23 to 0.27 mm on page 114 to bring compression back.
Manual Section: Engine does not startThick dark gray smoke under load with sluggish throttle response p. 36
Inspect the DPF and air cleaner element for heavy clogging. Drain the tank fully and refill with Ultra Low Sulfur Diesel only, less than 0.0015 % (15 ppm), as specified on page 36. If the dark smoke lingers, test the injectors.
Manual Section: Exhaust gas is black or dark grayNoticeable power loss on the V3800-TIE4C during high-pressure hydraulic operation p. 136
Trace the intake for clogged cleaners or leakage on the compressor side, then check the DPF assembly for exhaust restrictions that choke output. Secure the exhaust components and torque the DPF Stay 1 M10 bolts to 49 to 55 N·m per page 136.
Manual Section: Output is deficientFrequently Asked Questions
What are the recommended service intervals?
Service intervals are grouped by hours of use. Oil level, coolant level, and fan belt get a daily check. Engine oil and the oil filter cartridge change at the initial 50 hours. Valve clearance comes up every 1000 hours. Pages 34-35 list the full schedule.
What fluids and capacities does this machine require?
Lubricating oil capacity runs 13.2 L (3.49 U.S. gals) across all six models, from the V3800-CR-TE4 through the V3800-TIE4C. Fuel is Diesel Fuel No. 2-D S15. Pages 10-11 carry the full specifications; pages 36-37 cover fuel and engine oil types along with handling precautions.
How to troubleshoot engine won't start?
A no-start usually traces to no fuel, air in the fuel system, or a clogged fuel filter. Fixes are matched to each: fill the tank, bleed the air, or swap the filter. A defective fuel pump or injector and compression leakage are also on the list. Page 109 holds the full troubleshooting table.
What torque specifications are listed?
Torque values split into general and special. On the general side, an M6 bolt takes 7.9 to 9.3 N·m (5.8 to 6.8 lbf·ft) and an M12 bolt takes 63 to 72 N·m (47 to 53 lbf·ft). Special figures cover parts like injector clamp nuts at 24 to 27 N·m (18 to 20 lbf·ft) and crankshaft screws at 255 to 274 N·m (188 to 202 lbf·ft). Full tables sit on pages 120-122.
Is this Kubota V3800 Series Workshop Manual a digital download?
Yes, it is a 201-page searchable PDF with an instant download after checkout. Open it on a laptop, tablet, or phone and carry it straight to the shop floor.
Am I able to print pages from this Kubota V3800 Series manual?
Yes. The PDF carries no DRM, so you can print any page or section you need for the shop. It works with any standard printer.
Does this Kubota V3800 Series manual include wiring diagrams?
Yes. Full electrical schematics are included, with wire colors, connector locations, and circuit descriptions.
Document Quality
This document is a high-quality scanned PDF with an accurate OCR layer, allowing you to search and copy the full text content. All text is crisp and consistently easy to read across every page. Diagrams and illustrations are a mix of clear line drawings and high-resolution raster images, with all labels easily readable. The pages are clean, well-aligned, and free from scan artifacts or other marks. You will find a few blank pages that serve as section dividers.
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