Tearing down a damaged compact engine requires knowing exactly how the assemblies fit together, and this 33-page Yanmar 3TNE68-EBVB, Y00B6920 parts catalog PDF (OEM #Y00B6920) breaks down every single factory component. You get highly detailed exploded views covering the entire cylinder block, gear housing, and fuel injection device. Open up the digital file to find complete parts lists showing exact item numbers for the crankshaft, piston rings, and the complete cooling water pump assembly. Verify you are ordering the correct PT3/8 plug thread size or confirm the 110BC thermo switch before you ever pick up the phone to call the parts counter. Wasting days waiting on the wrong shipments stops today. Download this bookmarked digital manual right to your tablet, find your exact part numbers in seconds, and get the engine back together.
What's Inside This Yanmar 3TNE68-EBVB, Y00B6920 Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Cylinder Block | 2-3 | Block Assy, Cylinder, Plug, Main Bearing, Thrust Bearing, Gasket, Cyl. Head |
| Gear Housing | 4-5 | Case, Gear Assy, Cover Assy, Gear Case, Seal, Oil, Pipe, Knock |
| Flywheel Housing & L.O. Sump | 6-7 | Housing, Flywheel, Cap, Flywheel Cover, Oil Seal Case, Sump Assy, LUB.OIL, Hose Assy |
| Cylinder Head & Bonnet | 8-9 | Bonnet Assy, Head Assy, Cylinder, Gasket, Nozzle, Valve, Spring, Rocker Arm |
| Suction & Exhaust Manifold | 10-11 | Manifold, Intake, Gasket, SUC.MANIFOLD, Exhaust, EXH.MANIFOLD |
| Camshaft & Driving Gear | 12-13 | Camshaft Assy, Gear, Camshaft, Bearing, Thrust, Rod, Push, Tappet |
| Crankshaft & Piston | 14-15 | Crankshaft Assy, Flywheel Assy, Pully, Crankshaft, Piston W/RINGS, Rod Assy, Connecting |
| Lub. Oil System | 16-17 | Pump Assy, Lub. Oil, Gasket, L.O.PUMP, Dipstick, Switch, Filter |
| Cooling Water System | 18-19 | Pump Assy, C. Water, V-Belt, V-Pulley, Thermostat, Switch, Thermo |
| Fuel Injection Device | 20-21 | Pump Assy, F.INJECT., Plunger W/BARREL, Shim Pack, Valve W/SEAT, Deliv., Nozzle Assy, F.INJECT |
| Fuel Pipe | 22-23 | Pipe Assy, Fuel Oil, Joint 12, Pipe, Clamp 12, Filter Assy, Fuel Oi, Spring |
| Governor | 24-26 | Cover, Case |
| Starting Motor | 27-28 | - |
| Generator | 29-30 | - |
| Gasket Set & Tools | 31-33 | - |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Bearing, Thrust Undersize | .25US | p. 2 |
| Bolt M6x16 Plated | M 6X 16mm | p. 4 |
| Pipe Dimensions | 12*700mm | p. 8 |
| Plug Thread Size | PT3/8 | p. 8 |
| Oil Pressure Switch Activation | 0.5KG | p. 16 |
| Starter Motor Power | 0.8KW | p. 27 |
| Parallel Pin Size | 8X16mm | p. 6 |
Yanmar 3TNE68-EBVB, Y00B6920 Common Problems This Manual Covers
Can't find the correct Yanmar 3TNE68-EBVB replacement pipe part numbers for hard starting and repeated bleeding p. 8
Check the cylinder head exploded view on page 8. Locate the exact 12*700mm pipe required for your assembly. Cross-reference the specific part number with your engine serial number before ordering replacements. Verify the PT3/8 plug thread size matches your block.
Manual Section: Cylinder Head & BonnetNeed replacement oil pressure switch part number to resolve dashboard warning light and low oil pressure p. 16
Inspect the lubricating oil system diagram on page 16. Locate the specific oil pressure switch designed for a 0.5KG activation threshold. Write down the corresponding part number and verify compatibility with your exact engine block configuration before ordering the replacement sensor.
Manual Section: Lub. Oil SystemTrying to identify exact starter motor assembly components after engine turns over slowly and fails to crank p. 27
Open the starting motor parts list on page 27. Identify the complete 0.8KW starter motor assembly or individual internal components needed for your rebuild. Match the reference numbers from the exploded diagram to the parts index to ensure correct fitment.
Manual Section: Starting MotorLooking for the correct undersize thrust bearing part numbers to rebuild engine block after sudden power loss p. 2
Review the cylinder block parts number list on page 2. Find the correct .25US undersize thrust bearing required for your crankshaft repair. Use the exact part number listed to order the correct bearing set and restore proper clearances in your lower end.
Manual Section: Cylinder BlockFrequently Asked Questions
How do you fix can't find the correct Yanmar 3TNE68-EBVB replacement pipe part numbers for hard starting and repeated bleeding?
Check the cylinder head exploded view on page 8. Locate the exact 12*700mm pipe required for your assembly. Cross-reference the specific part number with your engine serial number before ordering replacements. Verify the PT3/8 plug thread size matches your block.
How do you fix need replacement oil pressure switch part number to resolve dashboard warning light and low oil pressure?
Inspect the lubricating oil system diagram on page 16. Locate the specific oil pressure switch designed for a 0.5KG activation threshold. Write down the corresponding part number and verify compatibility with your exact engine block configuration before ordering the replacement sensor.
How do you fix trying to identify exact starter motor assembly components after engine turns over slowly and fails to crank?
Open the starting motor parts list on page 27. Identify the complete 0.8KW starter motor assembly or individual internal components needed for your rebuild. Match the reference numbers from the exploded diagram to the parts index to ensure correct fitment.
How do you fix looking for the correct undersize thrust bearing part numbers to rebuild engine block after sudden power loss?
Review the cylinder block parts number list on page 2. Find the correct .25US undersize thrust bearing required for your crankshaft repair. Use the exact part number listed to order the correct bearing set and restore proper clearances in your lower end.
How will I receive this Yanmar 3TNE68-EBVB, Y00B6920 Parts Catalog?
Immediate download of the complete 33-page searchable Parts Catalog. Access it on any device, from a laptop at your desk to a phone in the field.
Is this Yanmar 3TNE68-EBVB, Y00B6920 Parts Catalog printable?
Yes, print as many copies as you want, and there are no restrictions. Many mechanics print the section they need and bring it to the shop floor.
Document Quality
This document is a scanned PDF with an OCR layer, enabling you to search and copy the full text content. The text is consistently crisp and easy to read across all pages. Diagrams and illustrations are scanned raster images, but their labels are clear and legible, even when zoomed in. All pages are clean, free from scan artifacts, stains, or skewed content. While there are no entirely blank pages, some pages feature only a few lines of text or a single diagram, resulting in significant white space.
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