OEM #9Y111-07844 covers every procedure needed to bring a D1005-E4B, D1105-E4B, D1305-E4B, V1505-E4B or any E4BG variant back to factory spec across 159 pages. The breakdown: 67 pages of disassembly and assembly, 22 pages of maintenance checklists and service intervals, 20 pages of engine specs with special tool callouts, plus dedicated troubleshooting, clearance, and torque sections for the full family. Five pages of exploded views place every component in its installed position. Connecting rod screws torque to 42-46 N·m, cylinder head screws to 64-68 N·m, injection nozzle pressure sits between 13.73 and 14.70 MPa. Fuel filter cartridge swaps at 400 hours. With the engine down and the clock running, section bookmarks let you tap a chapter, pull the spec, and finish the job.
What's Inside This Kubota D1005-E4B, D1105-E4B, D1305-E4B, V1505-E4B, D1005-E4BG, D1105-E4BG, D1305-E4BG, V1505-E4BG Manual
| System | Pages | Key Topics |
|---|---|---|
| Safety | 11-15 | Safety First (Working Precautions, Preparing For Emergencies, Working Cautions, Starting Machine Safely, Preventing Fires, Preventing Acid Burns, Avoiding High Pressure Fluid, Avoiding Hot Exhaust, Cleaning Exhaust Filter) |
| General | 16-50 | Engine Identification (Engine Model Name And Engine Serial Number, E4b Engine, Cylinder Number), Information (Specifications, Performance Curves, Dimensions), Special Tools (Diesel Engine Compression Tester, Injection Pump Pressure Tester, Valve Guide Replacing Tool, Bushing Replacing Tool, Flywheel Stopper) |
| Maintenance | 51-73 | Maintenance Check List, Check And Maintenance (Daily Check Points, Check Points Of Initial 50 Hours, Check Point Of Every 50 Hours, Check Points Of Every 100 Hours, Check Point Of Every 200 Hours, Check Points Of Every 400 Hours, Check Points Of Every 500 Hours, Check Points Of Every 1 Or 2 Months, Check Points Of Every 1 Year, Check Point Of Every 800 Hours) |
| Engine | 74-154 | Mechanism, Troubleshooting, Servicing Specifications, Tightening Torques, Checking and Adjusting, Disassembling and Assembling, Component Servicing |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| *Connecting rod screw tightening torque | 42 to 46 N·m | p. 90 |
| Oil pump cover screw tightening torque | 7.8 to 9.3 N·m | p. 142 |
| Fuel filter cartridge replacement interval | every 400 hours | p. 62 |
| *Cylinder head mounting screw tightening torque | 64 to 68 N·m | p. 90 |
| Injection nozzle pressure | 13.73 to 14.70 MPa | p. 88 |
| Air cleaner element replacement interval | every 1 year | p. 66 |
| Radiator cap specified pressure (for air leakage test) | 88 kPa | p. 94 |
| Valve Clearance (Cold) | 0.145 to 0.185 mm | p. 83 |
| Cylinder Head Mounting Screw Torque | 64 to 68 N·m | p. 90 |
| Connecting Rod Screw Torque | 42 to 46 N·m | p. 90 |
| Flywheel Screw Torque | 54 to 58 N·m | p. 90 |
| Compression Pressure (Reference) | 3.73 to 4.11 MPa | p. 83 |
Kubota D1005-E4B, D1105-E4B, D1305-E4B, V1505-E4B, D1005-E4BG, D1105-E4BG, D1305-E4BG, V1505-E4BG Common Problems This Manual Covers
Kubota D1105-E4B running rough and losing power under load after fuel filter service
Check the fuel filter cartridge and replace it every 400 hours per the interval on page 62. Bleed air from the fuel system, then verify injection nozzle opening pressure reads 13.73 to 14.70 MPa. If pressure falls outside spec, remove the injector and have the nozzle reseated or replaced.
Manual Section: Engine Performance IssuesCylinder head gasket leaking coolant or oil at the head-to-block joint p. 90
Pull the head and measure surface flatness with a straightedge and feeler gauge. If warp exceeds the 0.05 mm service limit on page 83, replace the head. Install a new gasket dry, then torque the head screws in sequence to 64 to 68 N·m. Recheck after the first heat cycle.
Manual Section: Engine: Tightening TorquesEngine overheats within 20 minutes of operation, coolant boils from radiator cap
Set fan belt deflection to 10.0 mm at midspan per page 60. Pressure-test the cooling system to 88 kPa using the radiator cap procedure on page 94. Flush the radiator core if flow is restricted, and confirm the thermostat opens fully before reassembly.
Manual Section: Engine OverheatingBlack exhaust smoke under load with noticeable power drop
Swap the air cleaner element on the annual interval shown on page 66, or sooner in dusty conditions. Confirm fuel grade matches the spec on page 27, then check cold valve clearance at 0.145 to 0.185 mm. Adjust any valve outside that window before retesting load response.
Manual Section: Exhaust Smoke IssuesLow compression on one cylinder, hard starting when cold p. 83
Run a compression test on each cylinder; reference pressure is 3.73 to 4.11 MPa per page 83. On a low cylinder, squirt oil through the injector bore and retest. A rise points to worn rings, no rise points to valve seat leakage. Pull the head and inspect seats and piston crown.
Manual Section: Engine: Clearance SpecificationsFuel leaking from injection pipe fittings, fuel smell in engine bay p. 91
Wipe pipe ends clean and inspect sealing cones for nicks. Any pipe with a damaged cone gets replaced, not reused. Tighten each injection pipe retaining nut to 25 to 34 N·m per page 91. Start the engine and recheck for weeping after a 10-minute idle.
Manual Section: Engine: Tightening TorquesFrequently Asked Questions
What are the torque specifications for Kubota D1005-E4B cylinder head bolts?
Tightening torque for the cylinder head mounting screws on the D1005-E4B is 64 to 68 N·m (47 to 50 lbf·ft). Apply engine oil to the threads, then tighten in several steps following the specified sequence before pulling to final torque.
What is the firing order for Kubota 05-E4B series engines?
Firing order depends on cylinder count. The 3-cylinder D1005-E4B and D1105-E4B fire 1-2-3. The 4-cylinder V1505-E4B fires 1-3-4-2.
How to change the oil filter on Kubota D1305-E4BG?
Stop the engine. Pull the old oil filter cartridge with a filter wrench. Apply a thin coat of oil to the new cartridge gasket, then thread the new cartridge in by hand. Over-tightening may deform the rubber gasket.
What causes the D1005-E4B engine to not start?
Common causes include no fuel, air or water in the fuel system, or a clogged fuel filter. Other suspects: incorrect injection timing, a damaged fuel pipe, low fuel cetane number, a worn fuel camshaft, or a damaged stop solenoid.
How to check compression on Kubota D1305-E4BG?
Warm up the engine, then shut it down. Remove all injection nozzles. Fit a compression tester (Code No. 07909-30208) with adapter H (Code No. 07909-31231) into the nozzle hole. With the stop lever in the non-injection position, crank with the starter and read compression pressure.
What format is this Kubota D1005-E, V1505-E manual in?
Immediate download of the complete 159-page searchable Workshop Manual. Open it on any device, laptop at your desk or phone in the field.
Can I print this Kubota D1005-E, V1505-E manual?
No restrictions. The PDF is DRM-free, so print whatever sections you need for the shop. Standard letter or A4 paper works.
Document Quality
This is a native digital PDF, not a scanned copy, so the text is perfectly crisp and clear throughout the document. You can search the full text and copy-paste any content you need. The manual contains numerous diagrams, technical illustrations, and performance charts; these are high-quality and have readable labels, remaining sharp even when zoomed in. All pages are clean and well-formatted, though you will find a few intentionally blank pages used as section dividers.
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