The Derale Powerpack pairs two high output 11 inch RAD electric fans on an adjustable aluminum shroud about the size of a single fan unit, delivering dual fan performance in a compact package for primary engine cooling. The fans are IP68 certified waterproof and dustproof and move 3750 CFM combined through a patented ultra quiet skewed blade design with stator flow directors. The raw aluminum shroud can be polished, painted, anodized, or left unfinished, and multiple mounting options allow a precise fit. The fans are for puller (engine side) installation.
Specifications:
- Type: Dual electric RAD fan and aluminum shroud powerpack
- Fan configuration: Dual 11 in fans
- Airflow: 1875 CFM per fan, 3750 CFM total
- Amp draw: 18.7 A per fan
- Fan rating: IP68 waterproof and dustproof
- Shroud: Raw aluminum with stator flow directors; polish, paint, or anodize
- Overall dimensions: 24 in W x 15-1/2 in H x 4 in D (fan depth 2-3/4 in)
- Orientation: Puller (engine side) only
- Included: Adjustable mounting brackets and complete mounting hardware
- Part number: 16831
FAQ
What is the Derale 16831 Powerpack?
A compact dual fan cooling assembly with two high output 11 inch RAD fans on one adjustable aluminum shroud for primary engine cooling.
How much air does it move?
3750 CFM total, about 1875 CFM per fan.
Are the fans sealed?
Yes. Both 11 inch fans are IP68 certified waterproof and dustproof.
What are the dimensions?
The shroud measures 24 in wide by 15-1/2 in tall by 4 in deep overall. Confirm the radiator core will accept the shroud footprint.
