The Derale High Output Dual 12 inch RAD Fan and Aluminum Shroud Powerpack is part of Derale's HO Aluminum Shrouded Fan Series, sized to fit common radiator cores and deliver strong primary cooling. It uses two proven 12 inch electric fans rated at 4000 CFM combined, driven by high-output 300 watt motors. The raw aluminum shroud includes stator flow directors and can be left bare, polished, anodized, or painted. Adjustable mounting brackets and hardware are included.
Specifications:
- Fans: Two 12" high output RAD electric fans
- Airflow: 2000 CFM per fan, 4000 CFM total
- Amp draw: 24.8 amps per fan
- Motors: High-output 300 watt
- Configuration: Puller (engine side) only
- Shroud: Raw aluminum with stator flow directors
- Overall dimensions (W x H x D): 26" x 18" x 4" (fan depth 2-3/4")
- Includes: Adjustable mounting brackets and complete mounting hardware
- Part number: 16842
FAQ
How much air does the Derale 16842 powerpack move?
Each 12 inch fan moves 2000 CFM, for 4000 CFM total.
Is it a puller or pusher?
It is a puller, for engine-side (behind the radiator) applications only.
What are its dimensions?
The assembly measures 26 inches wide by 18 inches tall, with about a 4 inch overall depth.
What is included?
It comes with the dual-fan aluminum shroud assembly, adjustable mounting brackets, and complete mounting hardware.

