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Dumb question but couldn’t you just substitute the split collars for a beefy spring that keeps the delta lock pushed onto the hub nut? Wouldn’t that completely eliminate the split collar and the risk associated with it coming loose?

20R-7247 is the Reman part number which was 683.82 with a 1026.03 core charge lol. They really want the old one back. https://parts.cat.com/en/catcorp/20R-7247

I’ve worried about this myself, I monitored it in CAT ET and I feel like when it was REALLY screaming, it was around 2600 rpm at the top, is that bad for the engine? I dunno, but the redline is set at 2800 in Cat ET

Isn’t the default gear 3? Are you try to go to 2?

The pac brake works just fine for me with the ECO hubs. Main difference is It Punks out a little sooner than it used to as 3rd gear is faster than it used to be. So where I feel like it used to stay on down to below 20mph, now it’s pretty much done for by 30-35ish. It would be great if it could...

I have seen multiple people including myself report this specific issue after the ECO hubs install. I have been debating tearing all my CTIS hoses and wheel valves off to see if that makes a difference. I have balance beads in my wheels that I installed before the ECO hubs install, but I...

I can’t say for sure since I don’t have the Wabco software but I did verify the CTIS gets the updated speed from the data bus, so I would bet the ABS does too if it needs it. In any case since my ECO hub install, it hasn’t thrown any codes.

In CAT ET just multiply the old PPM setting by 0.5 and your speedo will be good to go. I wouldn’t waste time trying to reset the transmission shift points. I never did it on mine and it figured it out real quick.

picture is worth a thousand words, you are simply ripping all this garbage out and connecting the inner axle to the outer hub.