The Derale Powerpack pairs two high output 12 inch RAD electric fans on an injection-molded plastic shroud for primary engine cooling. It moves 4000 CFM total, 2000 CFM per fan, through 265 watt Bosch motors and is set up as a puller for engine-side mounting. A complete through-radiator mounting kit is included.
Specifications:
- Type: dual electric fan and plastic shroud powerpack (RAD fan)
- Fan configuration: dual 12 in fans
- Airflow: 4000 CFM total (2000 CFM per fan)
- Motors: 265 W Bosch (per fan)
- Amp draw: 24.8 A per fan (49.6 A total)
- Shroud: injection-molded plastic
- Overall dimensions: 28-5/8 in W x 13-7/8 in H x 3-1/4 in D
- Orientation: puller (engine side) only
- Included: complete through-radiator mounting kit
- Part number: 16928
FAQ
What is the Derale 16928 Powerpack?
It is a complete dual 12 inch RAD electric fan and plastic shroud assembly for primary engine cooling.
How much air does it move?
4000 CFM total, 2000 CFM per fan, driven by 265 watt Bosch motors.
Is it a puller or pusher?
It is a puller, mounted on the engine side of the radiator.
How does it mount and how big is it?
It uses a complete through-radiator mounting kit and measures 28-5/8 inches wide by 13-7/8 inches tall by 3-1/4 inches deep.

