Alternator for John Deere Marine Backloaders & Crawlers 4045TFM
Alternator for John Deere Marine Backloaders & Crawlers 4045TFM
SKU:400-16067
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Alternator for John Deere Marine Backloaders & Crawlers 4045TFM
John Deere marine, backloader and crawler alternator, fits 4045TFM engines
This alternator is built for John Deere marine engines, backloaders and crawlers, including the 4045TFM engine, engineered to OEM specifications for a direct fit and function replacement across this equipment range.
It runs at 12 volts with a 65 amp output, uses a bi-directional fan and rotation to suit the demands of marine and industrial duty cycles, and is internally regulated (IR) so no separate external regulator is needed. The rotor shaft measures 0.625 inches, matching the original John Deere specification for this application.
Key Features
- Built for John Deere marine, backloader and crawler applications
- Fits 4045TFM engines
- 12 volt, 65 amp output
- Bi-directional fan
- Internally regulated (IR), 0.625in rotor shaft
Technical Specs
| Specification | Detail |
|---|---|
| Voltage | 12V |
| Amperage | 65A |
| Rotation | Bi-Directional |
| Fan Type | External, Bi-Directional (EF) |
| Regulator Type | Internal (IR) |
| Rotor Shaft | 0.625in |
Vehicle Fitment Guide
| Make & Model | Years |
|---|---|
| John Deere Marine Backloaders, Crawlers & Feller Bunchers (4045TFM Engine) | Not specified by supplier |
OEM Part Number Cross Reference
Aftermarket replacement. OEM part numbers are listed for reference only.
| Part Number | Manufacturer / Brand |
|---|---|
| 8047 | Lester |
| 8787 | Lester |
| AMO0015 | Arrowhead (earlier 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 John Deere 4045TFM marine, backloader and crawler applications.
What's included?
You receive one fully assembled 12V 65A alternator, 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.
Is the fan bi-directional?
Yes, this unit uses a bi-directional fan to suit the bi-directional rotation of this application.
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