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Antique Caterpillar Machinery Owners Club
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What year is my Auto Patrol?
What year is my Auto Patrol?
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Posts: 54
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Thank you received: 23
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1 year 9 months ago - 1 year 9 months ago #245398
by Yoos Bros
Hey guys, I'm trying to figure out what year my No.10 diesel auto patrol is. I think its a 1936 or 37 but not sure. Serial number is 9F1807. I put a 1946 power unit engine (serial number 1S4444) in shortly after i bought it cause the original engine had failure. I hope to repaint the rest next winter.
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1 year 9 months ago #245405
by brian18a
9f1807 built 1937 and the 9f chassis came with either gas or diesel engine, diesel engine was 5h serial prefix, and gas was 6h
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Posts: 814
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Thank you received: 276
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1 year 9 months ago #245408
by rax200
Hi All,
Just have a question, I notice there is a T stamped after the serial number what dose this stand for? (tandam maybe) as on the tractors SP sands for special parts.
Regards
Daryl
1937 RD4 4G4368
1940 D4 7J3717
1942 D4 7J9915SP
1942 R4 6G2550SP
1944 D4 2T6584SP
1945 D4 2T8978SP
1946 D4 5T6271
1956 D4 7U37855
1954 DH226 S/N 89 Howard Tug
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Posts: 733
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Thank you received: 187
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1 year 9 months ago - 1 year 9 months ago #245409
by Fat Dan
To me the 'T' doesn't look factory. Looks like someone hand stamped it in the tag. I could be very wrong though.
Very nice find. 👍 looks like you won the lottery, nice shape 🤗
ACMOC Member
Traxcavator: 60, 955E 12A08263; 57, 955C 12A04040; 57, 955C 12A03563.
1954 No.12 Diesel Motor Grader 8T14777.
1945 No.12 Diesel Motor Grader 9K9320; 9K9982
1944-46 Adams Model No. 311 Motor Grader
1943 IH T9 Tractor w/ Bullgrader Blade
Last edit: 1 year 9 months ago by
Fat Dan. Reason: Clarity
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Posts: 235
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Thank you received: 123
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1 year 9 months ago #245410
by brian18a
T is for tandem. And since it was not know whether grader was to be single or tandem, the T was hand stamped based on what it was atttached to., same as a lot of W or SP on tractors. They only machine stamped the basic number.
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Thank you received: 187
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1 year 9 months ago #245412
by Fat Dan
Thanks brian18a 😉
ACMOC Member
Traxcavator: 60, 955E 12A08263; 57, 955C 12A04040; 57, 955C 12A03563.
1954 No.12 Diesel Motor Grader 8T14777.
1945 No.12 Diesel Motor Grader 9K9320; 9K9982
1944-46 Adams Model No. 311 Motor Grader
1943 IH T9 Tractor w/ Bullgrader Blade
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Posts: 54
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Thank you received: 23
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1 year 9 months ago #245413
by Yoos Bros
Cool, thanks! I've had it several years now. Someone had a 212 cab on it which I recently removed. I intend on making an original cab for it. My brother and I got all the dimensions to do so off a no.11 back in October.
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Posts: 814
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Thank you received: 276
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1 year 9 months ago #245414
by rax200
Hi All,
Thanks for that too.
Regards
Daryl
1937 RD4 4G4368
1940 D4 7J3717
1942 D4 7J9915SP
1942 R4 6G2550SP
1944 D4 2T6584SP
1945 D4 2T8978SP
1946 D4 5T6271
1956 D4 7U37855
1954 DH226 S/N 89 Howard Tug
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Antique Caterpillar Machinery Owners Club
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What year is my Auto Patrol?
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