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M1089A1P2 LTAS Wrecker weighs 40,050 lbs and has a towed load rating of 55,000 lbs. For a combined weight of 95,050 lbs. Engine is the 330/860 C7 and transmission is the Allison 3700SP. My M1079A1R Van weighs about 21,000 lbs by it's fat self. An unloaded M1082 weights about 8,500 lbs......

Well - the cab AC in the Caiman is the same as any other FMTV. If it's not blowing cold then it's just a standard AC system driven by a Sanden compressor off the CAT C7 engine. It has high pressure and low pressure switches to prevent the compressor from engaging if the system is too low on R134...

General convention would be to refer to the one's at the axle as the lower bushing, the one's at the bar as the upper bushing, and the one's at the body as the bracket bushing.

Those tapered ones are easy, I'm talking about the upper BAR bushings. These guys: https://www.ebay.ca/itm/283850855390

CTIS gets it speed signal from the ECM if you have a 3126b or C7 engine. You will still get HWY mode overspeed unless you reprogram the CTIS controller. ..... Not sure where CTIS gets its VSS from on an A0 but it is easy enough to reprogram the CTIS controller for the new PPM (pulse per mile)...

So wait - it overheated AND you lost "power" - what does that mean exactly? Full story please.

Your transmission is the Allison MD3070. The 3700SP wasn't introduced into the FMTV till about 2005 or so and always has the WTEC IV controller. All of the transmissions fall under several service bulletins about the C6 clutch thrust bearing failing and bearing parts ending up various places...

Military vehicles in general aren't really the best hobby if you haven't got money. Pick a cheaper hobby or maybe learning a marketable skill FIRST so you can have money for hobbies..... but IDK maybe I'm doing it all backwards. 🤷‍♂️ The Motorpool guys I've talked to complement the...

You're about 30 years off on your timeline. Obama took office in 2009. The FMTV prototype contract was awarded to S&S and Teledyne in 1988 for 15 prototypes each. S&S got the manufacturing contract in 1991 and the first FMTV's were fielded to the Army in 1996. If any "administration" was...

The military was definitely not interested in rolling coal. They went through that with previous generations and visible diesel exhaust gives away your position. But really the entire point of the FMTV concept in the late 80's and early 90's was to replace the M35, 800 series, and 900 series of...

They are likely nothing special. The military doesn't care about weight at that scale (for general use - special forces are a different subject) or fuel economy in general so I'm quite sure they were simply made of normal steel and just made ultra thick and heavy to meet the design specs. You...

The engine has not been swapped. CAT just sold Stewart and Stevenson an off-the-shelf truck engine. It met certain EPA emissions and had stickers to such effect because at the time it met the military requirements AND the EPA requirements without having anything the military objected to. 30...

It's going to work just fine. In every application thus far (I've done three including a 24k lb M1088 with 3.07's and the 3126b) the performance is just as good or better than before. Literally every single person that has done this mod has absolutely loved it and has absolutely no plans to go...

Transmission is computer controlled. You will absolutely notice 100% electrical failure as it will result in the truck not moving at all. Your truck will turn into a very heavy air compressor. This goes back to the age old false argument about the A1+ trucks being less reliable because "OH NO...

I would replace the thermostats if they haven't been done - does the fan kick on at 205 degrees? The fan solenoid under the passenger dash kick panel is a known issue. For the tire locking up - pull the spider gear assembly and inspect. Probably should do an annual on the hubs, pack the...

That sucks! I'm not too far from selling the whole mess and leaving the city/suburb also. Too many yuppies sipping wine at the "food" (diarrhea) carts literally around the corner. Not my scene.

Funny enough - I live in a very wealthy suburban area (wasn't when my family moved here with a VA loan in 1978 but 45 years and a lot of luck picking the right place - plus urban/suburban sprawl.....) and all my neighbors love my truck. They see it as a crime deterrent for our neighborhood and...

Not the best video. He doesn't clean the threads in the hub and clearly a bunch of them needed it. Doesn't torque anything (not that this is absolutely necessary for those with enough experience), and doesn't have the wheel off the ground to check the bearing pre-load before slapping on the...

Does your voltage regulator have LED's?

You really should start a new post - your issue is likely that you are losing pressure in the wet tank and the compressor is cycling on and then purging. A reasonable sized leak will dump enough pressure to load the compressor every 30 seconds or so. It only has to drop below 95 psi to cycle the...