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Armor/AFV
For all military ground-force modelling subjects.
My first HEMTT - the Italeri LHS
docdios
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Posted: Thursday, August 18, 2016 - 01:33 AM UTC






docdios
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#036
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Posted: Thursday, August 18, 2016 - 01:31 AM UTC
hope you don't mind me adding to your thread but wanted to post some pictures of the HEMTT cab I have been working on.













webair
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Posted: Thursday, August 18, 2016 - 12:27 AM UTC
On the subject of colors, total vehicle repaint at Depot level used to be CARC paint, Green, camo or sand. Repainting fleets just for weathering at CONUS/OCONUS field locations is not always done in CARC, and the "sand" color sometimes looks like coffee with lots of creamer, but only the externals are done, not inside cabs.

Individual mechanical component colors:
Again it varies tremendously, from new, through rebuild(s) by who and where.
The white color engines mentioned were overhauled by Prison Industries, no comment, but you won't see anymore out there.
Original earlier Detroit's come in whatever the contract calls for, but the vast majority are the blue/green, green/blue color for new and rebuilt's done by Detroit.

Original transmission color is aluminum, then it gets whatever color the vehicle becomes when new. Rebuilts from different rebuilders will usually come back black, then get painted whenever the vehicle does. Transfer cases can be red oxide, black, green, sand, whatever the contract calls for and how many rattlecans are available.
The funny green color engines if seen out around Irwin/MCLB are what used to be called "rattlecan rebuilds".

Like any large organization spread all over the world, if you are modeling a certain vehicle from a photograph, it looked like that at that point in time, not for all its service life.
Depending where you are you may see HEMMTs/PLS/Tankers with wheels that have different tread pattern tires on one or two wheels in any position along with one or more black/green centered wheels on sand colored vehicles, or HET trailers with grey road wheels as spares, or all or any combination thereof, the grey rims are new wheels that replace the bent rims and again get painted when the trailer does.

Hope the above helps.
Taylornic
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Posted: Wednesday, August 17, 2016 - 09:21 PM UTC
Mike, the gear box is called the gear drive or accessory drive. The air compressor is on the right and the pump to the left is the power steering pump.
Thirian24
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Posted: Wednesday, August 17, 2016 - 08:32 PM UTC
Actually, the pump for the hydraulic system may have been on a PTO on the transmission. The pump that I pointed out in the pic is probably for the steering system. Nonetheless, regardless of the oil it's pumping or what system it's going to, it's still a hydraulic pump, technically speaking. Lol
165thspc
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Posted: Wednesday, August 17, 2016 - 08:28 PM UTC
It was my understanding that the hydraulic pump mounted to the PTO on the transmission but now I am guessing that was an earlier version of the engine?
Thirian24
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Posted: Wednesday, August 17, 2016 - 08:26 PM UTC
This part of the gear box, drives the blower.

Thirian24
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Posted: Wednesday, August 17, 2016 - 08:22 PM UTC
In this picture you can see the air compressor and a hydraulic pump.

At the bottom left side of the engine, down in the engine stand, you can see the front part of the starter.

165thspc
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Posted: Wednesday, August 17, 2016 - 07:40 PM UTC
OK, new line of questions about the engine:

Out the back of the engine ( over the transmission and at about the level of the intake manifold ) there is clearly a gear box of some kind,

The Real Models instruction sheet is telling me to install what looks like the starter motor and the air compressor back there. Is this correct? I can find photos of the air compressor back there but nothing else.

The TM shows the starter and the air compressor as separate assemblies but again there is no overall engine photo/ drawing to show you where they mount??????
Thirian24
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Posted: Wednesday, August 17, 2016 - 07:00 PM UTC
The 903s I worked on were in the MLRS. Now that you mention it I do recall them being white also, maybe even recall some being yellow. When I went to depot level rebuild shops, I did see them in gloss black.
AmTrac1833
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Posted: Wednesday, August 17, 2016 - 05:30 PM UTC

Quoted Text


Quoted Text

Actually it was a blueish green. I think I'm thinking of the 903 cummins that was sea foam green.



I've seen them overall black...but thats normally after a depot level rehaul



The 903s (on AAVs) we got back from rebuild returned in all sorts of colors. If the vehicles went through depot level maintenance at Barstow or Albany, the engines were either green or black. However, if it were only the engine that went through some sort of maintenance I’ve seen them return in overall white, green, gloss black and even had one return in a color I can only describe as Gumby green – bright, very bright green. The RAM/RS 903s came in an overall gloss very dark gray, and some were gloss black. The newer AAV SU engines are coming in overall bright red. The colors were all over the map and not confined to “camouflage appropriate” finishes.
SEDimmick
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Posted: Wednesday, August 17, 2016 - 04:53 PM UTC

Quoted Text

Actually it was a blueish green. I think I'm thinking of the 903 cummins that was sea foam green.



I've seen them overall black...but thats normally after a depot level rehaul

Thirian24
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Posted: Wednesday, August 17, 2016 - 11:43 AM UTC
Looking real nice.
165thspc
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Posted: Wednesday, August 17, 2016 - 10:37 AM UTC
Much better photo!

165thspc
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Posted: Wednesday, August 17, 2016 - 10:08 AM UTC
Not a great photo but a great moment - the entire driveline is in!

165thspc
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Posted: Wednesday, August 17, 2016 - 10:05 AM UTC
Sit'n on it's own mounts in the frame!
165thspc
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Posted: Wednesday, August 17, 2016 - 08:52 AM UTC
OK, so it will look better when installed!

Taylornic
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Posted: Wednesday, August 17, 2016 - 08:44 AM UTC
Coming along nicely, cant wait to see that engine painted.
165thspc
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Posted: Wednesday, August 17, 2016 - 08:14 AM UTC
I had said I was working on a front engine mount - here is what I came up with next to the real thing.

165thspc
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Posted: Wednesday, August 17, 2016 - 02:31 AM UTC
Perfect - got it!

I could find a photo of every component in an open shipping crate EXCEPT the engine!
Thirian24
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Posted: Wednesday, August 17, 2016 - 02:25 AM UTC
It's kinda sea foamish

Thirian24
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Posted: Wednesday, August 17, 2016 - 02:22 AM UTC
Actually it was a blueish green. I think I'm thinking of the 903 cummins that was sea foam green.
Thirian24
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Posted: Wednesday, August 17, 2016 - 02:21 AM UTC
The 8v92 in the HEMTT was a sea foam green color.
Taylornic
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Posted: Wednesday, August 17, 2016 - 01:32 AM UTC
Detroit paints the engines a blueish green. Im not sure what the Army does to them tho.
165thspc
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Posted: Wednesday, August 17, 2016 - 01:24 AM UTC
Oh, one more paint question:

Factory color for the Detroit Diesel and Tranny?

The Real Models instruction sheet shows a sort of medium to light green????