Root cause of engine swap?!

[badger_610889]

Hi folks,
I think I know why the engine on this humvee was replaced. By the way sanding the hood there is a marking using usual military stencil "engine rotated" followed by something else.

Would "rotated" mean changed or something like that?

this isn't rust obviously because it's aluminum.
It's super thin sand (I think they call it fesh-fesh) and the fording clearly didn't operate as expected...

 

[badger_610889]

Hi folks,
I think I know why the engine on this humvee was replaced. By the way sanding the hood there is a marking using usual military stencil "engine rotated" followed by something else.

Would "rotated" mean changed or something like that?

this isn't rust obviously because it's aluminum.
It's super thin sand (I think they call it fesh-fesh) and the fording clearly didn't operate as expected...

View attachment 875395

I took the entire intake line off and washed it. The intake port on the new engine is pristine. So this seems to be something that happened with the previous engine and I'm baffled they didn't even cleanup the filter box and intake line...

 

[Hummer Guy]

My air filter box was quite dirty as well, mines was due to the whole drainage underneath coming off

 

[Autonomy_Lost]

Mine was full of sand and there was no air filter installed, lol.

 

[Maxjeep1]

Hi folks,
I think I know why the engine on this humvee was replaced. By the way sanding the hood there is a marking using usual military stencil "engine rotated" followed by something else.

Would "rotated" mean changed or something like that?

this isn't rust obviously because it's aluminum.
It's super thin sand (I think they call it fesh-fesh) and the fording clearly didn't operate as expected...

View attachment 875395

That looks like a water line to me. Looks like rings on a tree and you can see how the level changes every time it rained.

 

[Mogman]

Hi folks,
I think I know why the engine on this humvee was replaced. By the way sanding the hood there is a marking using usual military stencil "engine rotated" followed by something else.

Would "rotated" mean changed or something like that?

this isn't rust obviously because it's aluminum.
It's super thin sand (I think they call it fesh-fesh) and the fording clearly didn't operate as expected...

View attachment 875395

The first thing I would do is drain and replace ALL fluids and filters, look carefully in the drain/fill plug holes of the diffs and hubs, they do not like moisture!!

 

[Coug]

"engine rotated" to me says that someone made sure the engine isn't seized.
Literally "the engine is able to rotate over"

Doesn't mean that it's a good engine, just that it isn't locked up.

 

[badger_610889]

Thanks guys. It will be hard to know the actual history of this truck but I start to know a bit now: it was deployed in Irak, came back, stayed as a reserve truck in Virginia and got acquired a couple years ago. The previous owner got a crate turbo engine with a used tranny and had them installed by a garage that I have since been in touch with. They're an off-road prep garage, but not humvee specialists at all.

That explains some of the aftermarket parts and feeling here and there. The job was done right but there are a few things that tell me it was done on a budget by someone competent but not with strong MV experience. Even I with only vintage Willys experience would have done things following the MT and the right look and feel rather than hacking some inappropriate civilian parts and crappy red wires.

Nothing can bother me more than seeing a part "Made in China" in my humvee - I believe I got rid of all of them at this point.

I couldn't find the auction on GP for the truck but I found a matching sale for the GEP engine.
So I'm still wondering how the previous owner got the truck straight from the marine reserve and titled. I called a buddy who could verify it wasn't a stolen truck at least!

My theory so far (as if it mattered but I like to know and share the story because I'm falling in love with my A2)
Some guys checked the truck before auctioning it, all they could do is crank the engine so they labeled it "rotated". Truck was probably auctioned on GP but I've realized that not all sales are visible. First civi owner got it fixed for relatively cheap, enjoyed it a couple years and sold it to pay his tax. Then I got it

 

[Mullaney]

Thanks guys. It will be hard to know the actual history of this truck but I start to know a bit now: it was deployed in Irak, came back, stayed as a reserve truck in Virginia and got acquired a couple years ago. The previous owner got a crate turbo engine with a used tranny and had them installed by a garage that I have since been in touch with. They're an off-road prep garage, but not humvee specialists at all.

That explains some of the aftermarket parts and feeling here and there. The job was done right but there are a few things that tell me it was done on a budget by someone competent but not with strong MV experience. Even I with only vintage Willys experience would have done things following the MT and the right look and feel rather than hacking some inappropriate civilian parts and crappy red wires.

Nothing can bother me more than seeing a part "Made in China" in my humvee - I believe I got rid of all of them at this point.

I couldn't find the auction on GP for the truck but I found a matching sale for the GEP engine.
So I'm still wondering how the previous owner got the truck straight from the marine reserve and titled. I called a buddy who could verify it wasn't a stolen truck at least!

My theory so far (as if it mattered but I like to know and share the story because I'm falling in love with my A2)
Some guys checked the truck before auctioning it, all they could do is crank the engine so they labeled it "rotated". Truck was probably auctioned on GP but I've realized that not all sales are visible. First civi owner got it fixed for relatively cheap, enjoyed it a couple years and sold it to pay his tax. Then I got it

.
Just to stir the pot - I have to say GOOD FOR YOU and all the rest of us for not using "Made in China" parts on your MV and your HMMWV in particular.

It just ain't right to have foreign parts on a US military truck.

And yeah, I know. The chips and cards and other computer parts aren't made here. That part of conversation is long and cumbersome...

 

[Maxjeep1]

.
Just to stir the pot - I have to say GOOD FOR YOU and all the rest of us for not using "Made in China" parts on your MV and your HMMWV in particular.

It just ain't right to have foreign parts on a US military truck.

And yeah, I know. The chips and cards and other computer parts aren't made here. That part of conversation is long and cumbersome...

We have a few made in Mexico parts on them. Probably Canada also….

 

[Retiredwarhorses]

We have a few made in Mexico parts on them. Probably Canada also….

So, don’t worry, this website has sponsors who have been found by the US Govt to have sold Chinese parts to The US Govt under the auspices of being US made, unfortunately it seems money is more important than selling US mfg’d parts for these trucks, regardless of if it’s for us or the US govt….papa always said, follow the money.
some simple Google searches would be quite revealing for those interested.

 

[badger_610889]

Since we're deviating a bit, I'm currently building an industrial controller that's also suitable for aerospace, military and other critical spaces.
Therefore I wanted the BOM to be as American (North American) as possible. We worked hard and managed to have less than 50% of the component not coming from Asia. Some families of components are simply no longer made outside of Asia (we also source from Europe for the Euro market)

That's a bit depressing, but what matters the most IMO is that 1. these dependencies don't give other countries any intel as to how we use them and 2. there's multiple independent supply chains that guarantee a certain freedom if one happens to be blocked.
We run risk analysis when picking components and if something is yellow or red flagged as being a supply risk and is made in China for instance, then it's certainly a part you must never use.

Now the Chinese truck parts are cheap crap made of plastic rather than aluminum or ceramic for instance, and they don't look right. That's the part that drives me nuts

 

[Mullaney]

Since we're deviating a bit, I'm currently building an industrial controller that's also suitable for aerospace, military and other critical spaces.
Therefore I wanted the BOM to be as American (North American) as possible. We worked hard and managed to have less than 50% of the component not coming from Asia. Some families of components are simply no longer made outside of Asia (we also source from Europe for the Euro market)

That's a bit depressing, but what matters the most IMO is that 1. these dependencies don't give other countries any intel as to how we use them and 2. there's multiple independent supply chains that guarantee a certain freedom if one happens to be blocked.
We run risk analysis when picking components and if something is yellow or red flagged as being a supply risk and is made in China for instance, then it's certainly a part you must never use.

Now the Chinese truck parts are cheap crap made of plastic rather than aluminum or ceramic for instance, and they don't look right. That's the part that drives me nuts

.
That sort of thing is a concern for me, but I am just a lowly Citizen. I'm sure it started before then, but back in the 90's large computer companies were working to improve their bottom line. Everything was being pushed "off-shore" to cut manufacturing costs. ECAT - Electronic Card Assembly and Test was one of the last things to get pushed "over there".

Even though pieces and parts make a missile here and supposedly "the enemy" couldn't make a weapon with our parts - I'm not really convinced. The other part of that problem is what happens when they won't make XX Part and we can't wage war without it...

 

[mgFray]

Since we're deviating a bit, I'm currently building an industrial controller that's also suitable for aerospace, military and other critical spaces.
Therefore I wanted the BOM to be as American (North American) as possible. We worked hard and managed to have less than 50% of the component not coming from Asia. Some families of components are simply no longer made outside of Asia (we also source from Europe for the Euro market)

That's a bit depressing, but what matters the most IMO is that 1. these dependencies don't give other countries any intel as to how we use them and 2. there's multiple independent supply chains that guarantee a certain freedom if one happens to be blocked.
We run risk analysis when picking components and if something is yellow or red flagged as being a supply risk and is made in China for instance, then it's certainly a part you must never use.

Pretty typical to buy enough (IC) parts for US gov't orders and warehouse them. Then you can get a waver on 'made in the US', if you can show sufficient supply. (And as you said, there is the intel part of it as well to deal with, but can be addressed.). Just remember as you buy parts, use the oldest ones from the warehouse first... First-in First-out. I've seen too many instances where they fill a warehouse full of parts, then just make new components with new parts while the stuff in the warehouse rots.

 

[Dieselmeister]

They not only make Chinese HMMWV parts, the make the whole vehicle ( Dongfeng Mengshi ), since they bought the rights to it. Amazing, we develop a military vehicle, then sell it to them.

 

[Maxjeep1]

They not only make Chinese HMMWV parts, the make the whole vehicle ( Dongfeng Mengshi ), since they bought the rights to it. Amazing, we develop a military vehicle, then sell it to them.

View attachment 875577

I would buy the rock rails

 

[badger_610889]

They not only make Chinese HMMWV parts, the make the whole vehicle ( Dongfeng Mengshi ), since they bought the rights to it. Amazing, we develop a military vehicle, then sell it to them.

View attachment 875577

I've worked a bit in China and have seen those.
Don't worry too much about them. A 25 year old H1 would be a better choice. I believe the hood is made of ABS for instance and contains no fiber. I was told they would crack like a modern bumper cover and would just need replacement.
I also believe you can find some (variants?) in some African countries, also built in China under US license.
I can understand that we want to monetize a design that is copied anyway, while we're transitioning to the next gen of high mobility vehicles. That gives us a bit of control - now we know their trucks pretty well

 

[badger_610889]

The thing that bothers me the most is when cheap, poorly made Chinese parts are sold to us as original to restore our Hmmwv's.
The Willys market is flooded with Mahindra parts from India - super bad steel quality that bends and rusts easily while my parts from the 40's are still straight and relatively clean.

I suspect the same will happen when the military stops purchasing Hmmwv parts and stocks get lower - Chinese parts will be sold as "original" or "AM General"...

 

[SmartDrug]

The thing that bothers me the most is when cheap, poorly made Chinese parts are sold to us as original to restore our Hmmwv's.
The Willys market is flooded with Mahindra parts from India - super bad steel quality that bends and rusts easily while my parts from the 40's are still straight and relatively clean.

I suspect the same will happen when the military stops purchasing Hmmwv parts and stocks get lower - Chinese parts will be sold as "original" or "AM General"...

Im experiencing this right now. I’m working on some elements of my cooling system and have bought a handful of parts - searched for using NSN numbers - that are not OEM, but rather some kind of knock-off. No indication that they weren’t OEM from the description, so I installed them and didn’t realize until afterwards. Pretty annoying as they all came from the same company.

 

[juanprado]

Im experiencing this right now. I’m working on some elements of my cooling system and have bought a handful of parts - searched for using NSN numbers - that are not OEM, but rather some kind of knock-off. No indication that they weren’t OEM from the description, so I installed them and didn’t realize until afterwards. Pretty annoying as they all came from the same company.

You should name the supplier so others are aware