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I don't know, just saw this posted on facebook. Guy that posted it said is a special truck built by oshkosh. Implying it's a a rare find.

Anyone know if the doors on this Oshkosh built FMTV cab are retrofittable to an A1R? They are supposedly from a MAN cab and from what I have heard there are a variety of parts from man cabs that fit the Styr cab on our trucks. The cab appears to be the same Styr cab. Thanks

Okay, bearings are enroute. Bearing is a TLA 2020Z. The oil seals are separate parts and are VB 26x20x4 Bearings found here. Oil seals found here, and they are a a slightly different seal in that the steel portion is rubber coated. The wiper portion that rides on the shaft is the same. You...

I take that back, took another look after a little more cleaning and there is a number. Will see what I find and report back.

Already pressed one out, no numbers on them. That was the first thing I looked for.

Anyone have specs for the roller bearings in the pulleys along the frame? Mine are all seized up and are not recoverable. There is a somewhat local bearing supplier that I plan to visit when I have time, but thought someone here may have been through this already.

Do you have the filters installed?

I'm likely going to wait until I can find a good HD Allison tech that knows what all of these settings do and how they all interact. The exhaust brake as I now have it set up is, to me, a must for a truck with Eco hubs and will be even better when the target gear is changed. I would also like to...

Interesting, the 370hp tune I’m running is a much later dated tune than what’s come my way via SS, so maybe different in that regard.

Only comments I have are that you have the “soft” cruise set to yes, I don’t like that setting, it expands the over/under speed tolerance before the ECM adjusts the speed. I find the tolerance pretty sloppy even without that on. The other comment would be that I played with the auto retarder...

If you have your cruise set to “latched” in the ECM, your exhaust brake has to function the way mine is. There is no option to have the cruise interconnected with the exhaust brake and have the exhaust brake function as set up by the mfg.

With the cruise set, the exhaust brake does not force a down shift, it ignores the target gear. If it can’t maintain the cruise set speed it will down shift but it’s way mellower and typically only one gear is all that’s required at highway speeds.

It’s a short hose that goes from point A to point B without touching anything else other than the vent line zip tied to it. This is the same as the stock configuration.

Let’s just agree to disagree and leave it that. I’m already doing this and the exhaust brake in the 5th and 6th works perfectly in combination with the cruise control and very affectingly controls your speed on down grades without need to apply the service brakes. With the current setup, not...

After driving around for the day yesterday I am certain I’ll be keeping my exhaust brake setup as it is, with the exception of changing the target gear to 5th most likely. For those of you that like how the brake works now, in the new configuration you really aren’t losing that, it just works...

Out of curiosity, what kind of oil pressure did you see with the new pump in the 3216?

Understood, but the way the exhaust brake works after the mod is way more useful for my intended use of the truck. Given that the mode with the cruise set does not have the aggressive downshift, I will probably have the target gear set to 5th and see how that goes in the other two modes. I...

Continual running of a motor at or near its red line isn’t good. Will these motors stand up to it? Sure, but I can assure you if you take two identical motors and run one a very high percentage of the time at or near its max governed rpm and the other at 1400-1800 for its life, the latter is...

Everyone has their preferences. I vastly prefer the way the brake works now with the changes. I also prefer not having it aggressively downshift to 3rd, which makes sense for the speeds the military drives the trucks, but doesn't for a truck that now can cruise with the rest of the traffic on...

Because it's unintelligent and way too aggressive. If you're in high mountain passes on the freeway going 65mph, if you engage the exhaust brake it's going to aggressively downshift to 3rd and you'll be risking throwing a rod and be travelling at 30 mph when all you wanted was to coast down the...