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D7 caterpillar year lime green paint (terex) under yellow

D7 caterpillar year lime green paint (terex) under yellow

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wibbdog
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I have been searching for a d6 and have missed one and looked at several others that have been used up. I would still prefer a D6 BUT I have found this d7 in my neighborhood. I know very little about the big d7. upon inspection its no to bad off, its has been converted to direct start (no glow plugs/the ether kind?)
It was also a cable unit that has been converted to hydraulic with a gear pump off the front of the crank. it still has the cat winch on it with cable on one side of it. I have not heard it run yet or drove it, I will do that this weekend. looking at the paint on the chassis where some of the yellow is peeling off I see a lime green paint like a faded Terex? there is no serial tag left on it that I can find. I have added some pics with some things that concerns me. the pins are rubbing on something on both tracks and on the inside and out/ cant see anything rubbing, the only thing I can think is the guards around the bottom rollers are bent and rubbing, or could it have the wrong rails? the trans lube has water in it from a cracked shifter boot and the wet clutch does not register oil on it. I see no sign of oil leak, maybe steam cleaned off. hopefully no damage, it didn't smell burnt in there, but.
In one of the pics is a number cast into the block maybe that will help identify the year? the fan belt is off due the fan pulley bearing has worn out.
it has all sealed rollers no grease oil filled. the rails well you will see in the pics, the sprockets are worn goofy? every other tooth is worn thinner. Not bolt on segments (I wish). one tensioner is loose has grease zerk on it,

so fill me in please!
idea on the value of it.
the year
how the rails look.
whattdaya think the lime green paint, its on the winch and the chassis

or if you have decent shape d6 9u or d6b let me know I not sure I want this big of a machine ( it would be fun though )
thanks [attachment=32426]IMG_0615.jpg[/attachment][attachment=32427]IMG_0616.jpg[/attachment][attachment=32428]IMG_0617.jpg[/attachment][attachment=32429]IMG_0618.jpg[/attachment][attachment=32430]IMG_0619.jpg[/attachment][attachment=32431]IMG_0620.jpg[/attachment][attachment=32432]IMG_0621.jpg[/attachment][attachment=32433]IMG_0622.jpg[/attachment]
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D4 7U 36840
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Sat, Dec 5, 2015 9:23 AM
Oil Slick
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Do you have a better overall picture of the machine? Not so close.
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Sat, Dec 5, 2015 9:30 AM
wibbdog
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Reply to Oil Slick:
Do you have a better overall picture of the machine? Not so close.
no I didn't sorry.
D4 7U 36840
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Sat, Dec 5, 2015 9:42 AM
wibbdog
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Reply to wibbdog:
no I didn't sorry.
where is the dip stick located to check the oil? on the left or right?
D4 7U 36840
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Sat, Dec 5, 2015 9:44 AM
mrsmackpaul
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Reply to wibbdog:
where is the dip stick located to check the oil? on the left or right?
mate sounds and looks like a 17A with all them modern bits

Numeralcod with give you the date the castings were cast dont know if cat still use the same code or have changed but what you do is line it up like this

N U M E R A L C O D
1 2 3 4 5 6 7 8 9 0

[img]http://i1370.photobucket.com/albums/ag265/MrsMackPaul/D7%20Special%20IMG_0622%201_zpsdlrtqhhb.jpg[/img]

so when you take lower letters RUDAC it comes up with 52 06 8 so that casting was cast on 8th of June 1952 you can go over the machine and it gives you a good idea of what age the machine is bare in mind some people say castings sat around for some time maybe years before being used so this code is only a indication of its age

thought this maybe of some help

the rubbing of the pins and and rails looks like its the rock guards dunno she is well option machine to me but things are a lot different in Australia than the US

seeya

Paul
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Sat, Dec 5, 2015 10:19 AM
Andrew
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Reply to mrsmackpaul:
mate sounds and looks like a 17A with all them modern bits

Numeralcod with give you the date the castings were cast dont know if cat still use the same code or have changed but what you do is line it up like this

N U M E R A L C O D
1 2 3 4 5 6 7 8 9 0

[img]http://i1370.photobucket.com/albums/ag265/MrsMackPaul/D7%20Special%20IMG_0622%201_zpsdlrtqhhb.jpg[/img]

so when you take lower letters RUDAC it comes up with 52 06 8 so that casting was cast on 8th of June 1952 you can go over the machine and it gives you a good idea of what age the machine is bare in mind some people say castings sat around for some time maybe years before being used so this code is only a indication of its age

thought this maybe of some help

the rubbing of the pins and and rails looks like its the rock guards dunno she is well option machine to me but things are a lot different in Australia than the US

seeya

Paul
D7 3T Went to oil clutch around serial no 20,000. Total of 26. or 28 thousand built, finished in 56 or 58.on memory.
That would put Pauls date about right .
A photo of the other side of the engine would be good.
Looks a nice machine.
Unless you are going to do a lot of serious work those sprockets will last a long time!!!!!!
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Sat, Dec 5, 2015 11:03 AM
mog5858
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Reply to Andrew:
D7 3T Went to oil clutch around serial no 20,000. Total of 26. or 28 thousand built, finished in 56 or 58.on memory.
That would put Pauls date about right .
A photo of the other side of the engine would be good.
Looks a nice machine.
Unless you are going to do a lot of serious work those sprockets will last a long time!!!!!!
the 3 pic in with the idler looks to have ware plate weld on to bring the rail height back in speck but i only see it on one link is any one els seeing that? if some had fallen off that might make for wire ware on you sprocket you talk about. as for the green could it be army green? if you can find a gauge that sprocket dose look like mostly gone but i am no expert i sure it will work for yeas of light work
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Sat, Dec 5, 2015 11:15 AM
edb
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Reply to mog5858:
the 3 pic in with the idler looks to have ware plate weld on to bring the rail height back in speck but i only see it on one link is any one els seeing that? if some had fallen off that might make for wire ware on you sprocket you talk about. as for the green could it be army green? if you can find a gauge that sprocket dose look like mostly gone but i am no expert i sure it will work for yeas of light work
Hi Team,
scan below is how I understand the code to work. The Year Date should be the last alphas in the group.

Paul, just to clarify what you have posted above a bit for the uninitiated, that O/D Alpha is a bit scabby so I am open to correction there--at the end of the day it makes only one day difference, and, it may have been some months before the block was machined any way--I usually checked several large components on a engine/machine to roughly gauge its possible age/time of build--Best Regards.

R UO AC =
4 18 57

Cheers,
Eddie B.
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Sat, Dec 5, 2015 12:13 PM
mrsmackpaul
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Reply to edb:
Hi Team,
scan below is how I understand the code to work. The Year Date should be the last alphas in the group.

Paul, just to clarify what you have posted above a bit for the uninitiated, that O/D Alpha is a bit scabby so I am open to correction there--at the end of the day it makes only one day difference, and, it may have been some months before the block was machined any way--I usually checked several large components on a engine/machine to roughly gauge its possible age/time of build--Best Regards.

R UO AC =
4 18 57

Cheers,
Eddie B.
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sounds good Edd I hardly ever use the code and most times it stands out like dogs balls if I have it ass about

either way we are heading in the right direction now

it looks a lot better now looked to modern to be a 3T must be in the 17A years now

Paul
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Sat, Dec 5, 2015 2:26 PM
Hutchy
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Hi all,
I have a D6C that has lime green paint from new, was painted by the dealer here in Victoria (Aus) to go to the Board Of Works (Government Water Authority). Looks identical to the terex color. I believe in there day they were a prity big concern down here, maybe one of their old machines.
Just a thought
Cheers
Hutchy
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Sat, Dec 5, 2015 5:01 PM
wimmera farmer
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Reply to Hutchy:
Hi all,
I have a D6C that has lime green paint from new, was painted by the dealer here in Victoria (Aus) to go to the Board Of Works (Government Water Authority). Looks identical to the terex color. I believe in there day they were a prity big concern down here, maybe one of their old machines.
Just a thought
Cheers
Hutchy
You should have a good look at the track rollers, as in lie down in the dirt with a torch. The front one usually goes first with the blade weight on that end. Sealed does not mean they don't wear out and fall to pieces. Something serious is gouging those pin ends.
Could still have a lot of life left with some TLC.
cheers WF
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Sat, Dec 5, 2015 5:36 PM
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