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On my hydraulic control panel, the knob that selects cab/tire/suspension has started to leak hydraulic oil. The manuals have some exploded diagrams that show the knobs come out with a bunch of little o-rings on them. Are there kits to replace them all?

I've seen in some pictures that there are rear mud guards for the front tires. Mine does not have them, but I would like some. Are they only on certain models, or have most just been removed? Like this (between front tire and battery box)...

I've managed to crack the block on my M1078. Anybody have any good leads on places to find either a replacement engine or block? I found some engines on eBay, but at $8500 I might as well just buy a second truck! I've also seen some LMTV trucks that auction fairly cheaply because they don't...

Has anyone replaced the oil pan gasket on an LMTV, with everything in place (e.g. without pulling the engine, axle, etc.)? It looks like there should be enough room, but I'd feel more comfortable getting confirmation before I get it drained and unbolted only to find it can't be done for some...

I have a '97 1078 with the 3116 engine. One of the mounting ears for my alternator is broken, and I'm wondering if it is worth upgrading to one of the 200/400A models? Are they direct swaps (my TMs only list the 100A, with no mention of the 200A and 400A). Thanks!

Does anybody know of a civilian part number for a starter that will fit the Cat 3116 in my '97 LMTV? My starter broke, and I need a replacement. Thanks!

I couldn't find anything in the manuals, but is there a way to manually air up the brakes (with an external air compressor)? I need to disengage the parking brake so that I can tow it, but I can't get the engine started. Thanks!

Hi guys, I had a **** of a weekend a few weeks ago, and I need some help brainstorming what's going on. I took my LMTV for a drive, about 30 miles on the highway. About 2/3 of the way there, I started smelling coolant. I stopped, and all the water pump bolts had vibrated out, it blew out the...

Just weeks after getting my M1078, the sway bar bushings fell apart, and were soon completely gone. I decided to make some heavy duty polyurethane replacements, and make them [optionally] greaseable. Here's the CAD model so far... I 3D printed a prototype, to test fit, and everything looks...

Whenever my LMTV is running, the voltage needle is right in the middle, on the line between yellow and green. It seems to run fine, and when the grounding strap on the alternator was removed, the voltage dropped down to the middle of the yellow (which was the problem that made me notice). Is...

The other day, I was washing the engine (after spilling hydraulic fluid all over it while changing the cab latch o-rings), and I noticed soap bubbles forming around the air pump while the engine was running (I started the engine to get some more air pressure). The truck seems to work "fine"...

Winter is coming, and we will get periods as low as -20°F around here, with brief lows even worse. I have a couple questions about the ether start and cold weather use. 1.) This 3116 engine has glow plugs, correct? There is no dash indicator, like I'm used to. 2.) Is there any way to tell...

Hi guys, I'm replacing the water pump (stupid thing cracked while driving on the highway), and have a question about the coolant type and quantity. 1.) The coolant that was in the engine is green, but the Caterpillar brand that I bought is red. Does anyone have any experience with which is...

Today I think I blew the gasket on the water pump (hopefully not the whole pump). Is a Cat 3116 just a standard engine, in many other trucks, that I can get parts for from a medium duty truck shop? Same question would apply to the pump, I suppose, if it turns out that is bad. Thanks!

Hi guys, I'm looking at the wiring diagrams, and wondering where the best place in the cab to patch in a 12V & 24V circuit is? I'm wanting to add a 12V backup camera, and a 24V rooftop search light. I just have a base M1078 (e.g. no winch, cab strobe, etc.), though I do have a [radio?] cable...

Are there surplus snow chain kits for LMTVs floating around? They are sometimes required in Colorado.

What are you guys using as hydraulic fluid for the cab lift reservoir? The manual specifies "MIL-H-5606 (OHA): Hydraulic fluid, petroleum base, aircraft, missile, and ordnance". I called Autozone and asked for some missile oil... no dice. (I'm kidding.)

*ANSWERED* LMTV passenger side storage box? Can anyone confirm if this is an LMTV inside-cab passenger-side storage box? I can't seem to find a listing for the NSN. MILITARY TOOL BOX, ACCESORY / STOWAGE BOX, NSN: 2540-01-411-2142

Do any of you use, or have built, ramps up to the bed of the LMTV? What length has worked? Also, I'm looking at some of the empty space under the bed, reward of the bed side storage compartments, and thinking they could be adapted to hold folding ramps. Thoughts?

I just bought an M1078 LMTV, but don't have it yet (it's being shipped to me). I want to make sure I understand the batteries, so I can get it started when it gets here. Are all 4 of the batteries 12V? And they are linked in two pairs in series (12v + 12v = 24, this configuration twice in...