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SKU:
NLT2T03343
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12V 280W Yanmar/Komatsu Voltage Regulator 119640-77710 119640-77711 – 3TNE74 & More
$55.09
In Stock
$55.09
Sale price
$55.09
Regular price
This 12V, 280W regulator/rectifier cross-references Yanmar YM119640-77710 / YM119640-77711 for 3TNE74 and related Yanmar/Komatsu charging systems.
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Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
Compatible equipment / model
| Make / Family | Applications |
|---|---|
| Yanmar | 3TNE74, selected 4TNV98 applications |
| Komatsu / Yanmar engine applications | 2D68E, 2D70E, 3D72, 3D74E, 3D68E, 3D75, 3D78 where the listed regulator is specified |
Product Overview
The regulator/rectifier controls charging-system output so battery voltage remains within the required range. Failure can show up as a battery that does not recharge, overcharging, unstable voltage or repeated battery/electrical issues even when the alternator windings are intact.
Published fitment includes Yanmar 3TNE74 and selected 4TNV98 applications, plus Komatsu/Yanmar 2D68E, 2D70E, 3D72, 3D74E, 3D68E, 3D75 and 3D78 installations that use the same regulator family.
Key Features & Performance
- 12V regulator/rectifier
- 280W charging-system rating
- Cross-referenced across multiple Yanmar/Komatsu charging-system applications
Technical Details
- Voltage: 12V
- Wattage: 280W
- Component type: charging-system voltage regulator / rectifier
Replaces Part Numbers
- YM119640-77710
- YM119640-77711
- YM119653-77710
- 119640-77710
- 119640-77711
- 119653-77710
- YMR000897
Frequently Asked Questions
Q: Can a regulator failure look like a bad battery?
A: Yes. Check charging voltage and wiring before replacing a battery repeatedly.
Q: Why are both 119640 and 119653 numbers listed?
A: Cross-reference catalogs list these as related/superseding regulator numbers in compatible charging systems.
Match connector, regulator number and 12V/280W system configuration.