Yanmar
Yanmar 4TNV98T-ZGGES
TNV Series
Yanmar 4TNV98T-ZGGES is a 3.119L L4 4-cylinder diesel generator-drive engine in the TNV Series, rated at 37.7 kWe standby output at 1,500 rpm / 50 Hz. It is U.S. EPA Tier 3 emissions and built in Japan.
Overhaul & repair parts- Supporting documents
- 3 documents · 2 datasheets
- Last updated
- 2026-06-29
- Package route
- diesel generator sets
- Standby Power · 50 Hz
- 47 kVA
- Electrical Output
- 38 kWe
- Cylinders
- L4
- Displacement
- 3.119 L
- Rated Speed
- 1,500 / 1,800 RPM
Power Ratings
kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf
50 Hz1500 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Standby Power | 41.9 | 37.7 | 47.1 |
60 Hz1800 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Standby Power | 50.4 | 45.4 | 56.7 |
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Yanmar 4TNV98T-ZGGES overhaul & repair parts
Already running a Yanmar 4TNV98T-ZGGES? Start with the parts you need, then send your nameplate so we can help check the right references for your engine.
Reviewed part-number references
A starting point for identification. Fitment must be confirmed before ordering.
- Piston129928-22080
Yanmar piston assembly
Fitment check: The reviewed Yanmar fig.9. crankshaft & piston catalog names 4TNV98T-ZGGES literally and lists PISTON ASSY 129928-22080 in that exact model-specific group. Confirm the complete engine serial number, installed component specification, and current Yanmar supersession before ordering.
Source: Yanmar 4TNV98T-ZGGES Parts Catalog 0CD50-M05480
- Piston ring set129927-22050
Yanmar piston ring set
Fitment check: The reviewed Yanmar fig.9. crankshaft & piston catalog names 4TNV98T-ZGGES literally and lists RING SET, PISTON 129927-22050 in that exact model-specific group. Confirm the complete engine serial number, installed component specification, and current Yanmar supersession before ordering.
Source: Yanmar 4TNV98T-ZGGES Parts Catalog 0CD50-M05480
Selected references only; this is not a complete overhaul list or a stock listing.
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Yanmar 4TNV98T-ZGGES generator set context
The Yanmar 4TNV98T-ZGGES is listed here as a diesel generator-drive engine for 50 Hz and 60 Hz generator sets, with a headline 47 kVA / 38 kWe / standby rating. Use this page to compare the published engine output, electrical kWe/kVA ratings, emissions level, datasheet availability, and neighboring models before specifying an alternator, controller, enclosure, voltage, and compliance package.
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Technical Specifications
| Brand | Yanmar |
| Model | 4TNV98T-ZGGES |
| Series | TNV Series |
| Configuration | L4 |
| Cylinders | 4 |
| Displacement | 3.119 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | U.S. EPA Tier 3 |
| Country of Origin | Japan |
Frequently asked questions
What is the power output of the Yanmar 4TNV98T-ZGGES?
The Yanmar 4TNV98T-ZGGES is rated at 47 kVA standby at 50 Hz (1,500 rpm); and 57 kVA standby at 60 Hz (1,800 rpm).
Does the 4TNV98T-ZGGES run at 50 Hz or 60 Hz?
The Yanmar 4TNV98T-ZGGES is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).
What fuel does the Yanmar 4TNV98T-ZGGES use?
The Yanmar 4TNV98T-ZGGES is a diesel generator-set engine.
What is the displacement and cylinder configuration of the 4TNV98T-ZGGES?
The Yanmar 4TNV98T-ZGGES is an inline-4 (4-cylinder) engine with a displacement of 3.119 L.
What emissions information is listed for the 4TNV98T-ZGGES?
This record lists U.S. EPA Tier 3 for the Yanmar 4TNV98T-ZGGES. Confirm the exact engine family, model year, configuration and applicable manufacturer certification documents before specifying it for a regulated project. A database label does not establish certification of a complete generator package.
What is the catalog status of the Yanmar 4TNV98T-ZGGES?
The Yanmar 4TNV98T-ZGGES is marked active in this database. Confirm current production and availability with the manufacturer; catalog status is not a live supply check.
Are reference documents available for the 4TNV98T-ZGGES?
This page links reference documents for the Yanmar 4TNV98T-ZGGES. Check each document's title, model coverage, revision and rating conditions before using it for selection.