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Identify this WWII Bulldozer

Identify this WWII Bulldozer

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Pat in WI
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Hey everyone,

I pulled this off the Internet because I have never seen this arrangement before on a crawler tractor. First it has an armored cab. Then it appears to have a CCU on the back but also hydraulics. The blade lift arrangement is different as well. Sort of a reversed D4 style. Anyone recognize this tractor?

I'll bet it was a job pushing a 68 ton German Royal Tiger off the road!

Pat

[attachment=41629]Bulldozer.jpg[/attachment]
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Pat in WI
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Sat, Apr 22, 2017 8:21 PM
Bruce P
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Great picture, thanks for posting it up.

That is a D-7, I can't tell you much about the attachments however.

Bruce P.
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Sat, Apr 22, 2017 8:47 PM
janmeermans
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Reply to Bruce P:
Great picture, thanks for posting it up.

That is a D-7, I can't tell you much about the attachments however.

Bruce P.
I agree with Bruce, it is a D7 4T and would suggest very late in the war somewhere in Germany. I say that in that I see no snow which means post Battle of the Bulge. I also doubt that he made much progress after this picture was taken pushing this monster very much further. This tank would weigh more than the dozer. I also have never seen a CCU and a hydraulic system on a D7 from this period. Same thing for the armored cab.

Thanks for posting Pat,

JanM
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Sat, Apr 22, 2017 9:56 PM
Pat in WI
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Reply to janmeermans:
I agree with Bruce, it is a D7 4T and would suggest very late in the war somewhere in Germany. I say that in that I see no snow which means post Battle of the Bulge. I also doubt that he made much progress after this picture was taken pushing this monster very much further. This tank would weigh more than the dozer. I also have never seen a CCU and a hydraulic system on a D7 from this period. Same thing for the armored cab.

Thanks for posting Pat,

JanM
JanM, I've never seen one with the armored cab from that period.

Found it on Pinterest while searching for Tiger Tanks.

Pat
Pat in WI
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Sat, Apr 22, 2017 10:03 PM
Ray54
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Reply to Pat in WI:
JanM, I've never seen one with the armored cab from that period.

Found it on Pinterest while searching for Tiger Tanks.

Pat
Maybe Russian they where big on cabs with all the cold. Cannot say I have ever seen them with a armored cab. Looks to much like a real Cat to be one of the Russian built ones,but we gave them a lot of equipment to keep them moving.
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Sun, Apr 23, 2017 12:53 AM
tctractors
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Reply to Ray54:
Maybe Russian they where big on cabs with all the cold. Cannot say I have ever seen them with a armored cab. Looks to much like a real Cat to be one of the Russian built ones,but we gave them a lot of equipment to keep them moving.
The tractor looks to be a D7 1T series armour plated, the track pads are off set to allow the blade to work.
tctractors
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Sun, Apr 23, 2017 1:03 AM
catsilver
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Reply to tctractors:
The tractor looks to be a D7 1T series armour plated, the track pads are off set to allow the blade to work.
tctractors
D7 1T or 4T with LPC hydraulic blade and Le Tourneau CCU, it could probably push the tank sideways easily on a tarmac road but once one track gets in the ditch its going no where.
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Sun, Apr 23, 2017 2:30 AM
Sasquatch
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Reply to catsilver:
D7 1T or 4T with LPC hydraulic blade and Le Tourneau CCU, it could probably push the tank sideways easily on a tarmac road but once one track gets in the ditch its going no where.
Look close at the far side of the tank, the far track is already off of it as you can see the drive sprocket teeth with nothing around them. That could make pushing that King Tiger even more difficult if the road wheels start biting in.
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Sun, Apr 23, 2017 8:12 AM
catskinner
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Reply to Sasquatch:
Look close at the far side of the tank, the far track is already off of it as you can see the drive sprocket teeth with nothing around them. That could make pushing that King Tiger even more difficult if the road wheels start biting in.
I agree that it is a D7 and with a Letourneau DDCCU on back. catskinner
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Sun, Apr 23, 2017 10:03 AM
Hillbillybjopkr
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Reply to catskinner:
I agree that it is a D7 and with a Letourneau DDCCU on back. catskinner
I'm leaning toward the Russian theory.....my grandfather was a catskinner running a D7 (I think) cable machine building Wheeler field the day Pearl Harbor got hit.......he watched the whole thing from there......I remember seeing a picture of him from 3 days befor the hit...no cab...no hydraulics.....had a A-Frame setup for the cables............the stories he used to tell about them days....I remember every one lol
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Sun, Apr 23, 2017 10:45 AM
tctractors
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Reply to Hillbillybjopkr:
I'm leaning toward the Russian theory.....my grandfather was a catskinner running a D7 (I think) cable machine building Wheeler field the day Pearl Harbor got hit.......he watched the whole thing from there......I remember seeing a picture of him from 3 days befor the hit...no cab...no hydraulics.....had a A-Frame setup for the cables............the stories he used to tell about them days....I remember every one lol
These D7 1T series tractors are still about in the U.K. there is the remains of 1 just a few miles from my home, I tend to think all of the Armour Dozers had the 1T serial no, I removed a Serial No of another old knacker that was going for scrap some years ago, the 1T plate is a rare thing to see.
tctractors.
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Sun, Apr 23, 2017 1:02 PM
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