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So mine is a 2003 1078 converted to a 1079 with a 3126B reprogrammed by caterpillar to 330 HP and the high speed gears installed and fully loaded 28,000 lbs. Curious what I might expect?

That’s amazing, what is your vehicle specs, weight year, HP,

I didn’t use the wires they sent in the kit I felt the gauge was to small and I didn’t want power loss so I ran 12 gauge wire for the motors.

Interesting way to think about it. I’m seriously watching this hoping it’s the cat’s meow and would love to do this, this winter and increase my mileage. I forget has anyone posted a MPG with this modification?

Great pictures. Thank you. By the way in one of my posts I mentioned wiring my power window motors to 24 volt and loving it. But after a couple months of use it started stripping the gears out. So I replaced the motors and went back to 12 volt.

I read that thread geo. I was wondering if I was overthinking it general. Thanks for the advice.

After giving thought over night to that theory I don’t think that’s the answer. That would be the same as if they were in the home/rest position wrong position at 1 o’clock then just pulling the wipers off and reattach them in the horizontal position….the problem with that is when you turn them...

Thanks I’ll try that in the morning.

I would love to hear the fuel mileage. Something else I am curious about is slow speed rock crawling ability. I seen the videos posted recently and it seems as though you really have to get the rpm’s up when you’re up against an obstacle before it can build torque and over come it. Not the most...

So, my windshield wipers have been working well for years, but today while we’re on the road when I turn them off they stop at the 1 o’clock position instead of down at a more horizontal/3 o’clock position. Any ideas on what could be causing this and/or how to fix it?

Welcome aboard!

The data plate doesn’t look right. I have a September 2003 m1078a1 and my data plate is stamped not printed.

That was a couple months ago in north Georgia.

No but I’m about to head that way. Where are you located?

😂 I put my bid in!

Thanks for you info, Just jacked up each tire and checked bearings like I would check a trailers wheel hub bearing and they were perfect not even a hint of play. Also pulled the plug on each front hub and the magnet looked good on each and the gear oil was still pretty clear. I did drain and...

I’m curious on real world power. I’m running a 2003 M1078A1. I had caterpillar change the engine ECU to 330 HP. Converted into a RV with high speed gears and 28,000 lbs and getting 6.5mpg. Just finished a 3,500 mile road trip on windy mountain roads and honestly not totally impressed with the...

So I’ll explain why I’m asking. I just finished up a 3,500 mile road trip with my 2003 M1078A1 ex-Air Force truck with 13,500 miles on it. 10,000 miles I’ve driven over the last 8 years. I’ve converted it into an expedition vehicle and she weighs 28,000lbs fully loaded with full tanks. My wife...

Correct, so that's why Steve's method would take into account for spider gears/bearings and the hub bearing wear. Setting it to the factory settings would only take in account the hub bearings not the spider gears/bearings.

There has to be a different result. New gears with precise new parts vs old gears and parts with wear and break in. If it doesn’t matter then if everything is currently running good and no issues at all, why would anyone bother even though they say it should be done annually, unless there is...