The Tuff Stuff 7127NKB9 is a 140 amp alternator with a 1-wire hookup and a single V-belt pulley. It uses an aluminum case with a black powder coat finish, is rated at 12 volts, and fits various applications.
Specifications
- Type: Alternator
- Output: 140 amps, 12V
- Hookup: 1-wire
- Pulley: Single V-belt
- Case: Aluminum, black powder coat
- Application: Various
- Part number: 7127NKB9
FAQ
What is the output?
It is rated at 140 amps, 12 volts.
How is it wired?
It uses a 1-wire hookup.
What finish is it?
It has an aluminum case with a black powder coat finish.

