Tracking down the exact replacement components for your Yanmar engine is straightforward with this 28-page parts reference. As the official 0CR10-G45101 Yanmar 3tne68-sa, 3tne68-g1a, 3tne68-g2a, 3tne68c-sa, 3tne68c-g1a parts catalog pdf, it breaks down the entire assembly from the gear housing to the cold district starting motor. Inside, you get clear exploded diagrams showing exactly how the cooling water system and fuel injection pump fit together. Every illustration pairs with an exact OEM part number and description so you purchase the right hardware the first time. Confirm your engine requires exactly 14 cylinder head bolts and verify the cooling system uses the standard 71 C thermostat before placing your parts order. Stop wasting days waiting on the wrong components to arrive. This bookmarked file opens instantly on your phone, letting you match numbers right at the workbench.
What's Inside This Yanmar Yanmar 3TNE68 Series Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Cylinder Block | 1 | Exploded view, OEM part numbers |
| Gear Housing | 2 | Exploded view, OEM part numbers |
| Flywheel Housing & Oil Sump | 3 | Exploded view, OEM part numbers |
| Cylinder Head & Bonnet | 4-5 | Exploded view, OEM part numbers |
| Suction Manifold & Air Cleaner | 6 | Suction, Cleaner Assy, Air, Manifold |
| Exhaust Manifold & Silencer | 7 | Exhaust, Silencer, Manifold |
| Camshaft & Driving Gear | 8 | Camshaft Assy, Camshaft, Gear W/Bush, Idle, Gear |
| Crankshaft & Piston | 9 | Crankshaft Assy, Piston W/Rings |
| Lub.Oil System | 10 | Lub. Oil Filter, Oil Press, Oil Intake, Dipstick |
| Cooling Water System | 11 | C.W. Pump, V-Belt, V-Pulley, Cooling, Thermostat |
| Radiator | 12-13 | Shroud, Hose, C.WATER, Absorber, Shock, Sub-Tank Assy, Water Drain, Fan |
| Fuel Injection Pump | 14 | F.I.Pump Assy, Plunger W/Barrel, Valve W/Seat, Deliv., Rack, Tappet Assy |
| Governor | 15-16 | Case, Driving Set, Gov., Weight Assy, Sleeve, Case Assy |
| Fuel Injection Valve | 17 | F.Inject, Nozzle Assy, Fuel Inject, Fuel Over, Valve Assy, Pipe Assy |
| Fuel Filter | 18-19 | Fuel Feed, Strainer Assy, Fuel Element, Pump Assy, Pipe |
| Engine Control Device | 20 | Link, Engine Control, Control Device, Handle, Regulator Assy, Bracket, Stopper |
| Generator | 23 | Rotor Assy, Stator Assy, Brush Assy, Diode Assy, Pulley, Regulator |
| Panel | 24-25 | Terminal, Harness, Wire, Support, Instrum, Lamp |
| Gasket Set | 26 | Cyl. Head, O-Ring, Seal, Valve Stem, Nozzle, Liquid, Gasket |
| Starting Motor (Cold District) | 27-28 | Motor Assy, Starting, Armature, Ball Bearing, Coil Assy, Field, Brush |
Every system also includes a parts list.
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| Thermostat opening temperature | 71 C | p. 11 |
| Main Bearing Quantity | 4 | p. 1 |
| Cylinder Head Bolt Quantity | 14 | p. 1 |
| Oil Seal (HTC456208) Quantity | 1 | p. 2 |
| Valve Guide Quantity | 6 | p. 4 |
| Valve Spring Quantity | 6 | p. 4 |
| Radiator Clamp (38mm) Quantity | 4 | p. 12 |
| Fuel Filter Element Quantity | 1 | p. 18 |
| Starting Motor Brush (+) Quantity | 2 | p. 21 |
| 3TNE68-SA, 3TNE68-G1A, 3TNE68-G2A | ||
| O-Ring 1A P 12.0 Quantity | 5 | p. 26 |
| 3TNE68C-SA, 3TNE68C-G1A, 3TNE68-62A | ||
| O-Ring 1A P 12.0 Quantity | 2 | p. 26 |
Yanmar Yanmar 3TNE68 Series Common Problems This Manual Covers
Need the correct thermostat part number for a Yanmar 3TNE68-SA engine running hot under load p. 11
Inspect the cooling water system exploded view on page 11. Locate the correct 71 C opening temperature thermostat and match the part number to your block. Verify the water pump impeller diagram to ensure all associated gaskets are ordered together.
Manual Section: Cooling Water SystemCan't identify the right fuel strainer assembly for an engine blowing black smoke and losing power p. 18
Check the fuel filter breakdown on page 18 to find the exact strainer assembly part number. Order the required 1 fuel filter element shown in the diagram. Cross-reference the fuel pump assembly components to replace any worn pipe fittings simultaneously.
Manual Section: Fuel FilterUnsure which hose clamps to order to fix a severe coolant leak at the lower radiator neck p. 12
Consult the radiator parts diagram on page 12 to find the exact lower hose part numbers. Order the required 4 pieces of the 38mm radiator clamps shown in the parts list. Verify the shock absorber and sub-tank assembly numbers while checking the cooling circuit.
Manual Section: RadiatorLooking for the correct head hardware part numbers after finding low compression and engine knocking p. 1
Examine the cylinder block parts diagram on page 1 to locate your specific block components. Identify the part numbers for the required 14 cylinder head bolts. Check the main bearing list to ensure you order the exact 4 bearings needed for a complete rebuild.
Manual Section: Cylinder BlockFrequently Asked Questions
What are the replacement specifications for Fuel filter?
The replacement element for the fuel filter is part number 124550-55700. Additionally, the fuel strainer assembly is available under part number 171059-55600.
What are the replacement specifications for Oil filter?
The replacement part for the lubricating oil filter is identified by part number 119305-35150.
How do you fix need the correct thermostat part number for a Yanmar 3TNE68-SA engine running hot under load?
Inspect the cooling water system exploded view on page 11. Locate the correct 71 C opening temperature thermostat and match the part number to your block. Verify the water pump impeller diagram to ensure all associated gaskets are ordered together.
How do you fix can't identify the right fuel strainer assembly for an engine blowing black smoke and losing power?
Check the fuel filter breakdown on page 18 to find the exact strainer assembly part number. Order the required 1 fuel filter element shown in the diagram. Cross-reference the fuel pump assembly components to replace any worn pipe fittings simultaneously.
How will I receive this Yanmar 3TNE68-SA & variants Parts Catalog?
This is a 28-page searchable PDF ready for immediate download. Works on any device, so pull it up on your phone while you're under the hood. No shipping, no waiting.
Am I able to print pages from this manual?
No restrictions at all. Print individual pages, full chapters, or the entire manual. The PDF is completely unlocked.
Document Quality
This document is a scanned PDF with an OCR layer, allowing you to search and copy text from the main headings, tables, and remarks. The text quality is crisp and easy to read throughout. Diagrams and illustrations are raster images, which appear clear at normal viewing but show some pixelation when highly magnified; however, all labels within them are readable. The pages are clean with no noticeable scan artifacts, stains, or skewed content. There are no entirely blank pages, though some pages have substantial empty space below the content.
Reviews
There are no reviews yet.