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I've replaced the engine before. The issues I had were finding an engine lift strong enough for the weight, or tall enough for how high it needed to go. I rented one from a local heavy equipment rental place that barely did it, and we had to put it up on cinder blocks and 2x12's to get the...

A good readthrough here in the Common Problems-Fixes document in my signature.

Maybe, or maybe you ordered them right when they were in another run of fulfilling the government contract. Or, sometimes the rules and laws change around what kind of military hardware can be sold to civilians (that seems to always have politician's panties in a bunch). I work on the supply...

This is good work. I love it. This is the kind of stuff that slowly comes out over many years, decades even, before the issues and fixes for a particular line of vehicles is well understood. As an aside to several of the comments that follow the original post, the Arduino solution is novel...

It may be helpful to understand some context around this. If these parts are military specific, and often even if they are "Commercial Off the Shelf" (COtS) products they will be a special version to meet military specifications (e.g. manufacturing traceability, coating quality, part number...

They seem like they last 10-20 years. They have some components inside that fail after a while, but in order to waterproof them the whole box is potted full of epoxy, making it unrepairable and probably hastening the failure. Here in my signature, I have some info (gathered from these forums)...

The military-issue chains (not cable chains) are made by Pewag. They are their heavy duty line, such as used on heavy trucks and construction equipment. The links are made of rectangular bar, not round bar, for extra bite, and they crisscross across the tread in an irregular fashion. Similar...

Serves extra duty as a battering ram.

There is also a 3-piece run flat beadlock that you bolt together inside the tire.

Lots of opportunity for theorycrafting on this one, but I don't think it was intended to be structural to the way the truck operates or drives. It is a lifting point for picking up the truck by helicopter/crane, and so it needs to be quite heavy and structurally sound to swing all that weight...

Just FYI, I don't have it either. You don't need it to watch it at that link.

https://www.tiktok.com/@butterworthdasyrup/video/7275845369366629678?_t=8fTZ8ENhi2g&_r=1

Is that standard on the A1R's?

If you aren't sure, wait and see. There's really no telling which trucks have what. Things get replaced when stuff breaks, or the mechanics feel like it, and then some trucks get pillaged for parts before getting auctioned off. So there's no real answer.

In general, it works ok. Under normal on and off road conditions, I've never had to specifically clean mud off the winch, when the rest of the truck wasn't all caked in mud. On occasions where everything had mud slung all over it, that somewhat included the winch (but mud didn't hurt it any).

The winch itself is smaller than the 58 gallon standard tank... maybe 1/2 the size? There is even room behind the installed hydraulic winch to put another, smaller (25-30 gallon?) custom tank. The winch does block the most common/convenient extra fuel tank placement, which is installation of...

The "Pioneer Toolkit" (shovel, pick-mattock, axe, saw, telescoping loppers) is always on board, in my opinion. At the very least because if you take this truck on trails, you end up having to trim lots of low-hanging branches, fill ruts you leave, etc.

If the only way you can get to those 130-150 gallon numbers is to make custom tanks and custom modifications to the existing tanks, it's a weak (or deceptive) argument. At that point, there are many other places on the truck you can make custom tanks to store more fuel, with a similar level of...

My main point was that they are not similar tiers of devices... not direct competitors. Besides that I simply like the hydraulic winch's "overbuilt" capabilities matching the rest of the truck's, one reason for me was that if I break something or get stuck offroad, nobody is going to be able to...

3. Just to add to why you have to work on it yourself: Hourly shop rates at heavy truck mechanic shops are like 2x that of a consumer vehicle mechanic. If you don't work on it yourself, just getting something simple done, like brakes changed, will probably be $2000. And they will be totally...