upslash
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Very informative post. Thanks for sharing your collection of research and sources.I did some extensive research on this before I bought my powerboost:
Here are my findings:
If you get a powerboost, you already have standard (regardless of Regular Trailer Tow package)
- Same heavy duty front sway bar as Trailer Tow (https://www.f150gen14.com/forum/thr...-vs-tow-vs-max-tow-updated-doc-v4.1188/page-9)
- Same 7350 GVWR frame (all powerboosts)
- Same 3.73 Rear locking differential
- Same 9.75 (non HD) rear axle as regular & Max Trailer tow package Powerboosts (https://www.f150gen14.com/forum/attachments/2021-f-150-weights-specs-pdf.10601/ pg 20 & 32)
- Same largest radiator (https://www.f150gen14.com/forum/attachments/2021-f-150-weights-specs-pdf.10601/ pg 20)
- Same lack of aux trans oil cooler. You cannot get an auxilliary trans oil cooler on 2021 non-Raptor (https://www.fleet.ford.com/content/...-guides/2021_Ford_RVandTrailerTowingGuide.pdf pg 20)
- Same brake disc size (https://www.f150gen14.com/forum/attachments/2021-f-150-weights-specs-pdf.10601/ pg 33)
The only difference I found between a Powerboost with Class IV and Tow Tech compared to Trailer tow:
- Trailer Tow gives larger parking brake (pg 33 https://www.f150gen14.com/forum/attachments/2021-f-150-weights-specs-pdf.10601/)
So you have same cooling, same chassis, same capacity hitch, and same disk brakes as trailer tow + brake controller.
The only thing you don't have is the larger parking brake.
I think if you use blocks and are smart when parking, you should be good to tow to the Regular Trailer Tow package rating with Tow Tech + Class IV on a Powerboost.
Also note that ford's subnote in their tow rating guide says "without Trailer Tow and only the Class IV hitch, do not exceed 7K..." They make no mention of Tow Tech, so the above may assume you don't have a brake controller.
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