Hunting down parts for your Yanmar 3TNV88-GGE, 3TNV88-DSA, 3TNV88-DSA2, or 3TNV88-DSA3 engine? This 29-page parts catalog covers the 3TNV88-GGE, 3TNV88-DSA, DSA2, and DSA3 diesel engines with exploded-view diagrams and OEM part numbers for every assembly. Inside, you get complete breakdowns for the cylinder block, crankshaft and piston, gear housing with separate layouts for DSA and GGE variants, cylinder head, camshaft, lubrication system, and cooling water circuit. The fuel section covers the injection pump, injection valve, and fuel line; electrical parts include starting motor assemblies for both DSA and GGE configurations plus the generator; an Optional Kit section rounds it out with the air cleaner, radiator, oil cooler, and silencer. Confirm your oil filter at 80x80L mm, or verify the crankshaft key at 7x14 mm before you order. No more guessing at part numbers. Bookmarked and searchable, jump straight to any assembly and pull the exact OEM number in seconds.
What's Inside This Yanmar Yanmar 3TNV82A-3TNV88 Series Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Engine Section | 2 | Title Page for Engine Section |
| Cylinder Block | 3 | Cylinder Block Exploded View and Parts List |
| Gear Housing (3TNV88-Dsa, DSA2, DSA3) | 4 | Gear Housing Variants Dsa, DSA2, DSA3 |
| Gear Housing (3TNV88-Gge) | 5 | Gear Housing Gge Variant |
| Flywheel Housing and Oil Sump | 6 | Flywheel Housing, Oil Sump, Parallel Pin 8x16mm |
| Cylinder Head and Bonnet | 7 | Cylinder Head, Bonnet, Gaskets |
| Suction Manifold | 8 | Suction Manifold Parts |
| Exhaust Manifold | 9 | Exhaust Manifold Parts |
| Camshaft and Driving Gear | 10 | Camshaft, Driving Gear Assembly |
| Crankshaft and Piston | 11 | Crankshaft, Piston, Crankshaft Key 7x14mm |
| Lubrication System | 12 | Lub.Oil System, Oil Filter 80x80L Mm |
| Cooling Water System | 13 | Cooling Water, Thermostat 71C, Thermo Switch 110C |
| Fuel Injection Pump | 14 | Fuel Injection Pump Parts |
| Fuel Injection Valve | 15 | Fuel Injection Valve Parts |
| Fuel Line | 16 | Fuel Line Assembly |
| Starting Motor (3TNV88-Dsa, DSA2, DSA3) | 17 | Starting Motor Dsa Variants |
| Starting Motor (3TNV88-Gge) | 18 | Starting Motor Gge Variant |
| Generator | 19 | Generator Parts |
| Gasket Set | 20 | Gasket Set Parts List |
| Optional Kit | 21 | Optional Kit Title Page |
| Engine Foot | 22 | Engine Foot Mounting Parts |
| Air Cleaner | 23 | Air Cleaner Assembly |
| Exhaust Manifold (Optional Kit) | 24 | Exhaust Manifold Optional Variant |
| Silencer and Tail Pipe | 25 | Silencer, Tail Pipe Assembly |
| Hydraulic Pump Driving | 26 | Ho-P Driving, Hydraulic Pump Drive Parts |
| Oil Cooler | 27 | Oil Cooler Assembly, Ball Bearings 13/32 Inch |
| Radiator | 28 | Radiator Assembly |
| Electric Parts | 29 | Electric Parts List |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| 3TNV88-DSA, 3TNV88-DSA2, 3TNV88-DSA3, 3TNV88-GGE | ||
| THERMOSTAT operating temperature | 71 | p. 13 |
| THERMO SWITCH activation temperature | 110 C | p. 13 |
| Parallel Pin Dimension | 8X16 mm | p. 6 |
| Crankshaft Key Dimension | 7X14 mm | p. 11 |
| Oil Filter Dimension | 80X80L mm | p. 12 |
| 3TNV82A-GGE, 3TNV82A-DSA, 3TNV84T-GGE, 3TNV84T-KSA, 3TNV88-GGE, 3TNV88-DSA | ||
| Ball Bearing Dimension | 13/32 inch | p. 27 |
Yanmar Yanmar 3TNV82A-3TNV88 Series Common Problems This Manual Covers
Yanmar 3TNV88-GGE engine overheats rapidly with visible coolant leaks around the housing and fluctuating temperature gauge readings p. 13
Inspect the cooling parts exploded view on page 13. Locate the correct part number for the 71 °C operating temperature thermostat. Verify the replacement thermo switch is rated for 110 C activation before ordering parts for your specific serial number.
Manual Section: 011.PdfNeed to locate the correct replacement oil filter assembly after finding metal shavings in the pan p. 12
Check the parts list on page 12 to find the exact replacement oil filter assembly. Identify part numbers matching the required 80X80L mm dimension spec. Cross-reference the exploded diagram to locate all corresponding o-rings, gaskets, and mounting hardware needed for a complete installation.
Manual Section: 010.PdfMissing woodruff key causing the front pulley to wobble and excessive vibration during normal operation p. 11
Review the engine rotating assembly parts breakdown on page 11. Find the specific order number for the required 7X14 mm crankshaft key. Inspect the surrounding diagram carefully to identify any matching timing gears and parallel pins you might need to order to complete the repair.
Manual Section: 009.PdfInternal component failure requiring replacement ball bearings due to heavy scoring and loud grinding noise p. 27
Inspect the detailed parts breakdown on page 27 to find the correct bearing part numbers. Verify your list includes the exact 13/32 inch dimension ball bearings required for assembly. Cross-reference part numbers on page 27 against your serial number prefix before ordering.
Manual Section: 018.PdfFrequently Asked Questions
How do you fix yanmar 3TNV88-GGE engine overheats rapidly with visible coolant leaks around the housing and fluctuating temperature gauge readings?
Inspect the cooling parts exploded view on page 13. Locate the correct part number for the 71 °C operating temperature thermostat. Verify the replacement thermo switch is rated for 110 C activation before ordering parts for your specific serial number.
How do you fix need to locate the correct replacement oil filter assembly after finding metal shavings in the pan?
Check the parts list on page 12 to find the exact replacement oil filter assembly. Identify part numbers matching the required 80X80L mm dimension spec. Cross-reference the exploded diagram to locate all corresponding o-rings, gaskets, and mounting hardware needed for a complete installation.
How do you fix missing woodruff key causing the front pulley to wobble and excessive vibration during normal operation?
Review the engine rotating assembly parts breakdown on page 11. Find the specific order number for the required 7X14 mm crankshaft key. Inspect the surrounding diagram carefully to identify any matching timing gears and parallel pins you might need to order to complete the repair.
How do you fix internal component failure requiring replacement ball bearings due to heavy scoring and loud grinding noise?
Inspect the detailed parts breakdown on page 27 to find the correct bearing part numbers. Verify your list includes the exact 13/32 inch dimension ball bearings required for assembly. Match your machine serial number against the catalog index before placing your final parts order.
Is this Yanmar 3TNV88-GGE & variants Parts Catalog a digital download?
You get a 29-page searchable PDF that downloads instantly after checkout. Open it on your laptop, tablet, or phone, and bring it right to the shop floor.
Is this Yanmar 3TNV88-GGE & variants Parts Catalog printable?
Yes. The PDF has no DRM restrictions, so print any page or section you need for your shop. Works with any standard printer.
Document Quality
This document is a scanned PDF with an added OCR text layer, allowing you to search and copy the full text content. The text quality is crisp and easy to read throughout the catalog. Diagrams and illustrations are raster images, generally clear with readable labels, although the cover image is low resolution. Pages are clean with no significant scan artifacts, stains, or skewed content. You will find several blank pages interspersed throughout the document, serving as filler pages.
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