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Yep. This is a whole different world. FOX closed their heavy division during COVID and has no desire to get into that business again. There's basically KING and ICON. Take your pick. The manufacturers that make these for the military like General Kinetics Engineering in Canada aren't...

Haven't encountered a bad shock yet that wasn't physically damaged. I'm sure it happens but I've not seen it. I would just source some used replacements. New shocks for our trucks has been a sticking point. There's nothing in the civilian space that really seems to be an easy drop in unless you...

Definitely buy the u-joint tool. And pull both shafts. Just because it's not visibly bent doesn't mean it's still balanced. Some of these weren't well balanced when new.

Hub gear backlash, wheel bearing and CTIS seal service,. Or just get rid of the reductions and install ECO hubs. These trucks have a lot of noise and heat being generated from the hub reductions and many of us have deleted them. It's a much better experience without them. Review the ECO hub...

Check fluids and visual inspection to ensure nothing critical is missing. Batteries, electrical connections, and getting it to crank. Fuel lines are probably rotted out and the most frequent issues with fueling is the supply lines sucking air and not lifting fuel to the engine, and the primer...

Here's your huckleberry: https://www.facebook.com/groups/242307609195377/permalink/9259666200792761/?sale_post_id=9259666200792761&mibextid=Nif5oz

Hard to judge without seeing the truck and knowing the asking price. If you are patient you will find A1R trucks (2004.5+) for sale quite often. Both from auction and from private parties. Join all the FMTV Facebook groups and military vehicle buy/sell groups. They are distinct in the A1...

C7 replacement is absolutely possible and not even that hard. The chassis harness connector is the same so the C7 should basically just bolt in and run with some plumbing changes, etc. But this truck doesn't run - how are you to know the condition of the transmission? This thing better be...

Check the plate covering the waste gate port/linkage on the turbo. The last one I did needed a whole new turbo because the cast iron exhaust housing was warped and it would not seal not matter what we did to it. Only $2300 for another turbo from CAT. Could also easily be rust-jacking of the...

HIMARS upper console :p with MRAP lights running LED's. They have a bright white setting and also a blue lens blackout mode...... These guys: https://www.auroradefensegroup.com/product/square-dome-lamps/ They say "24v" but they are just switches and sockets so you can install any bulb you...

Damage to the engine (as opposed to the fuel system on the engine) is rare. BUT also these engine had pretty frequent problems with the main oil pumps. That issue is made significantly worse in the FMTV (like 10x worse) due to these running at redline at 62 mph. Review this video and note that...

Well I have a bench flash adapter and many versions of CAT ET..... I've played with wash files and some other stuff but I have run across ECM's that will just not accept some files. The threaded casting ECM's don't take 3126 files and the non threaded casting versions don't take C7 files and...

Well that's excellent. You got the only good one I'm aware of. :LOL:

C7 ECM's have large square castings with threaded bosses at each corner around both plugs for aluminum covers that are part of the EMI/RFI suppression and they bond the harness stainless mesh braid to the ECM housing. This is probably part of the solution used to delete the deprecated EMI box...

Are you entirely positive that your truck never had an engine swap or the HEUI system serviced while the Army owned it? I feel like the failures are related to sitting and age. BUT I totally tore down a 3126 HEUI pump and could not find ANY smoking gun. They don't really have seals in them to...

Not a chance you are dry steering that truck without jacking the front wheels up. The hydraulic system is required when there is weight on the wheels. The military cautions are related to lifting and towing OFF ROAD. Everything the military does is off road specs. You will be fine on paved...

Dirty/loose electrical connectors in the modulator valves. Very common. I've seen it on half a dozen trucks. And the plastic breather caps just vanish and they don't sell them. (y)

No there are no injector trims for the 3126 - it was the first HEUI engine and didn't use them. The C7 injectors used to come with trim files on CD but now you just download them from CAT SIS. The 3126 (and C7) has FLS and FTS trims. Which are a slope and intercept that describes some part of...

3126 and C7 use different ECM's. Not compatible at all. Also the 3126 ECM is less reliable and twice the price: ~5-6 years of 3126 production. 20 years of C7 production. The primary difference is the HEUI pump/sensors and the C7 injectors have trim files for each injector serial number. 3126...

Tracked this down. Exact replacement. Mine was rotten and would drain the bottle down to the level of the grommet. Oshkosh wants $19 shipping for one. It's a MAN/ Steyr part but apparently this is almost ubiquitous in Euro cars and trucks: https://a.co/d/eWOrpGk