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It’s custom there’s a few people that made them

They have guys running double that on it without issues. 200hp is nothing. I would be curious about oil Temps but its not like its running clutch plates or anything to build up heat. Just bearings and gears like your diff that also doesn't have anything cooling it.

My dad @TwinStacked converted it about 4 years ago now. Cut and stretched it 27", used stock yamaha doors, extended the front driveline [trans is still in the back]. It's currently being reshaped in the back for more usable storage.

Think this could work with a ss model?

Currently we have the 5 pre-production boxes being used. 3 of them are well over 2k miles with sand, street, & dirt miles. And then the production units [this version] we have 5 that I know of in yxzs, with another 8 or 10 that shipped recently. We are hoping to have all 35 of the first run out to people in the next month or so. And then we will probably start up the next pre-orders for run number two.

It's definitely a game changer. And the next run we are planning for later summer, and then we will be doing pre-orders for the second run of boxes which if I had to guess would be either shipping near Christmas or possibly after the new year.

We are currently testing and running the pre-production box right now. We have a couple small tweaks left and then it will go into production end of this year. We have a booth for the upcoming Sand Sports expo in Scottsdale AZ. we also have a FB group you can join as well ( Link I beleive i have in Bio, if not ill edit this and post it), there are a lot of questions you might have or are curious about, as well as more videos I haven't yet posted here. (Also sorry for the late reply) m.facebook.com/groups/3558540947494874/?ref=share

Correct this is the 3:1 crawler box. Gear/speed wise the 19 top end of 5 in LO, is about 35mph roughly. Which would be roughly 1st or second in 1:1 Hi range.

@@austinschneider8372 So with the 3:1 you would have 10 usable gear ranges then (& hopefully a 5th low that lands right in-between 1st & 2nd high). Very nice! I have a 2016 with the 70/30/30/30/15 gearing now which isn't quite low enough in 1st, or 2nd - but not high enough in 5th. So with this Underdrive I'd be able to crawl rougher obstacles easier AND have a better 1st & 5th gears for hill climbing & cruising - Awesome!! Will the Underdrive ratios be something you can swap out within the same housing like the factory trans ratios? Or would you need to buy a whole nother setup to go to a different Underdrive ratio?

New 2 speed Crawler Box that goes between the Engine and Transmission. It gives us the ability to have a Hi range [1:1 stock] and a Lo Range [3:1 crawling speed]. The FB page for it is: facebook.com/groups/3558540947494874/?ref=share

@@austinschneider8372 man that is the greatest thing ever.

***** That's up to your team to figure out.

Taylor Hays okay but how would that driver be notified to come in? Is there someone holding a pit sign, are there radio communications, something on the gauge ?

***** Again, that's up to your team. Pit boards and radios are both fine.