Alternator for Caterpillar Industrial & Marine Equipment 1980-1997+
Alternator for Caterpillar Industrial & Marine Equipment 1980-1997+
SKU:400-16153
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Alternator for Caterpillar Industrial & Marine Equipment 1980-1997+
Caterpillar industrial and marine alternator, 1980-1997 and later
This alternator is built for Caterpillar industrial and marine equipment covering 1980-1997 and later applications, engineered to OEM specifications for a direct fit and function replacement across this broad coverage span.
It is a battery sense type unit with a 105-245 regulator reference, meaning it senses voltage directly at the battery terminals to fine-tune charging output, delivering a 51 amp output at 12 volts. It uses bi-directional rotation and comes fitted with a 1-V pulley suited to marine and industrial duty applications.
Key Features
- Built for Caterpillar industrial and marine applications
- 12 volt, 51 amp output
- Battery sense type regulation
- Regulator reference 105-245
- 1-V pulley fitted
Technical Specs
| Specification | Detail |
|---|---|
| Voltage | 12V |
| Amperage | 51A |
| Rotation | Bi-Directional |
| Pulley Type | 1-V |
| Fan Type | External (EF) |
| Regulator Type | Internal (IR), Battery Sense |
| Regulator Reference | 105-245 |
Vehicle Fitment Guide
Years shown are the overall coverage span for this part. Please confirm against the OEM part number on your original unit before ordering.
| Make & Model | Years |
|---|---|
| Caterpillar Industrial & Marine Equipment | 1980-1997+ |
OEM Part Number Cross Reference
Aftermarket replacement. OEM part numbers are listed for reference only.
| Part Number | Manufacturer / Brand |
|---|---|
| 489553 | Caterpillar (alternate version) |
Frequently Asked Questions
Will this fit without modification?
Yes, this alternator is built to OEM specifications for a direct, bolt-in fit on covered Caterpillar industrial and marine equipment from 1980-1997 and later.
What's included?
You receive one fully assembled 12V 51A alternator with pulley fitted, ready to install.
How do I know my old alternator has failed?
Common signs include a charge warning light staying on with the engine running, dimming or flickering lights, a battery that will not hold charge overnight, or an unusual whining or grinding noise from the unit as it turns.
What is a battery sense regulator?
It senses voltage directly at the battery to fine-tune charging output, which is the type of regulator fitted to this unit (reference 105-245).
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