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Larger tires will certainly help highway rpm.

The bell housing has been known to crack mainly due to drive shaft problems. But the 3116's don't have a place they crack that is inherit to the engine. You could put in any other engine with a #2 SAE bell housing. Although not impossible it would be a challenge with the cooling fan mounted to...

I nearly ripped off the battery box and fuel tank going over some tall and narrow berms. Luckily the ground was soft and the truck just plowed through the dirt. You can see where the air tank bracket was shifted over on the mounting bolts. I'd also like to use the outboard space for bolt on...

So I've got this hair brained idea to relocate all the outboard equipment (batteries, fuel tank, and air tanks) between the frame rails, or in the case of the air tanks, fabricate a roll bar from steel pipe that also functions as air reservoirs. The space is there however my concern is the...

A1 trucks have a high idle switch for throttle control. No tachometer is needed.

I'm guessing that the 3116 is most efficient at 1800 or so RPM.. However I'm not sure if enough torque is available at 1800 rpm to push the truck down the road at 70 mph. At lower speeds however fuel economy should be improved significantly. Regarding the hub gears.. You cannot change the hubs...

When torque multiplication is done at the wheels, components upstream of the reduction hubs can be smaller and less robust as they don't have to deal with the torque.

There is a process that needs to be performed to get the backlash right on the spider gears. Some special tools are required. With the 235hp the LMTV has even with a 1:1 hub ratio, I don't think top speed or fuel economy will be stellar and off road performance will likely suffer.

Is this Iron Planet's Iron clad guarantee or whatever?

Not laziness, just enlisted army grunts.

A reduction hub setup of 1.50 would be pretty awesome.

I saw that. That is option #2 if the configurations can't be changed in the TCM.

Where in South Texas are you at? I have compressors, condensors, and brackets.. I also have over 90 of those evaporator boxes.

Yes I had hoped to get that one in TX.. But someone wanted it $250 more than me.

Yeah something's still not right though.. GPS top speed shows to be 62mph.. so I'm not sure if I'm getting full rpm or full throttle.

My nearest Allison dealer says he can plug it up and read the settings. I just need to get the truck over there.

So before I get flamed to Search the F****ng archives.. I did. Several people asked this question on the high speed gears thread but there was no answer. After the re-gear (3.07 ring and pinion) the speedo is showing 20mph off at 50. GPS verifies a speed of 69 actual with the speedo reading...

Where did you pick up the 2009?

Alum MRAP wheels are ~ 70lbs each.

If there is still a barcode/part number tag on the third member you can check that. If it hits 65 mph on the highway you have the taller (numerically Lower) gears.