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There are less aerodynamic versions of the Amtech top available also... This is just the mid height version. The tall version is about 2' taller than this one.

as Mainsail said, no matter what version you get, they are pretty gutless in comparison to your average modern civilian vehicle. The military didn't care about power/speed. They mostly just cared about what fuel it used, and if it could use parts they already had in their supply system.

diesel oil will be black no matter how many times you change it. Just the nature of the beast.

I just greased everything, including the lower ball joints, in my M1123. Can't vouch for older trucks though.

newest variant of REV trucks uses a gearbox and shaft drive for the fan that is very expensive compared to the hydraulic clutch version. The Sheppard steering box apparently is no longer made(?) and extremely expensive to replace. There are a lot of other things, like liquid cooled differential...

the non 11XX series trucks that end in A1 are 3 speeds. The 11XX series reset the system by being enough different to warrant new designations. The R1 trucks don't match the standard numbering system for all the other trucks for some stupid reason.

That's how it's supposed to be adjusted; loosen switch mount bolts and slide the switch one way or the other. The holes for the mounting bolts should be more like slots in which you slide the switch to adjust it. I was along side the road during a convoy stop (we did a non-air brake vehicles...

different set of serial numbers than what they were manufactured with. Many of the R1 trucks are A1 base models with 3 speeds, others are A2 trucks with the 4 speed. https://www.psmagazine.army.mil/News/Article/2493071/m1097r1-hmmwv-order-transmissions-by-serial-number/ If your unit has the...

mine I just used a large pair of pliers and bent the "Z" rod until the lights worked properly.

If you want to do a side by side comparison, this site does a pretty good job. Lets you play with lots of different numbers. You can enter the geared hubs in either the transfer case or underdrive options on the form to give you accurate results without having to figure out the final ratio with...

I got bored so did a bunch of the math so for engine at 2000 rpms, .75 overdrive and 37 inch tires, the below gearing will produce the listed speeds 2.56 gears is 60 mph (96.5 kph) 2.73 gears is 56mph (90 kph) 3.08 gears is 50 mph (80.5 kph) Changing only the tires to 40 inch 2.56 gears is 65...

Could be worse. I watched a 40 foot bus (30k lbs) being towed by an F650 tow truck (13k lbs) with the bus axle up in the air. In the rain, at night. The air lines were hooked up to the bus, and someone in the driver's seat. They had to make a quick stop at one point, guy in the bus hit the...

I've never heard of any of the geared hubs in either HMMWV OR H1 being anything other than 1.92-1 ratio. No way a 4-1 ratio gearset would fit in the hubs. Also, the 2.56 geared trucks should be 7.7k or 10.3k GVWR, and the 2.73 trucks are 10.3k rated. I haven't heard of a 10.8k rated truck.

If you look at any of the trailers these are mounted on, they will always have a lug on the frame somewhere for attaching a ground wire. The point of grounding is to provide the electricity, if it's going places it isn't supposed to, a low resistance path to earth. There are formulas for...

yeah, I was, for 4 years. Supposed to be an office job (15P, Aviation Operations Specialist) but I hated paperwork and went in after failing their color vision test so limited number of jobs I was allowed to do. Mostly I took care of our equipment. In South Korea where it's a 1 year rotation...

most generators will be able to deal with minor imbalances without issues. Typically for a 3 phase setting, you can load the generator to 1/3 of it's rated capacity per led before causing issues. On a single phase split voltage (120/240) you can do up to 1/2 capacity per 120V leg. These MEP-8XX...

For the load you are talking about, in extreme usage, you'll be burning more than 1 gallon per hour. If running other loads than the heat pump such as water heater and whatnot on the 3rd leg, you might burn as much as 1.5 gallons per hour. A 200 gallon tank would last you approximately 1 week...

Something also to think about... So I don't know if your generator is capable of doing this on, but I'm running a 3 ton ECU on a 5kw generator (NordicAir) The aircon portion works just fine on the 5k. The heating portion is rated to draw over 9kw. The heater portion is a bunch of heater...

Converting from 3 phase to single phase is more complicated than just getting a transformer. You basically have to convert it to some other type of power (either DC voltage or mechanical power) and then convert it to single phase. Unfortunately there isn't a good answer for this. By the...

Yes, you can, but that is called the "convenience outlet" and as stated before, only has a 10 amp rating. You're much better off making some pigtails from extension cord and wiring directly to the output lugs to neutral, so likely 3 or maybe 6 depending on your number and size of loads. The...