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This is it
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Awesome, Max!
I must come down for a drive, then you can come and have a steer of my D10! Cheers, H
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Howard Holgate F15 #12 F15A #13 (stretched) F60S #13 C15A #13 Wireless (incomplete) |
#3
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Good day Max
The 4T Caterpillar is fairly unique in the Caterpillar system, the 4T was only made for the US Army during WW2. The 4T model was assembled by Caterpillar from parts outsourced from dozens of foundries, at the end of WW2 Caterpillar were able to completely disown that model. There is hardly any reference to the 4T in any official Caterpillar literature, including, parts books or workshop manuals. If you have a copy of a 4T parts book etc I would like to see a photo of it. The civilian version of the 4T is the 3T which stayed in production long enough to be fitted with a oil master clutch as opposed to the dry master clutch in the 4T and the early 3T. I worked on quite a few 4Ts during my apprenticeship and I hated having to replace the fibre links that linked the clutch plates. The new non genuine clutch links are made from nylon. The starting engine crank handle will also give you a good whack if you time the magneto wrong. When I worked at Tillys Crawler Parts in Toowoomba in the late 80's they had a few 4Ts in there wrecked, one of them was 4T 25 and the serial # was scratched, freehand, deeply in to the engine and the chassis vin plates with a scribe, not stamped in as normal. That was the only one I ever saw marked like that and was also the earliest 4T serial # I have ever seen. I wish now I had souveniered the plate, as in the nineties all the old chassis' went to scrap metal. Regards Ken
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1940 Cab 11 F15 1G-8129F 1941 Cab 12 C60L AIF L4710841 Middle East veteran 1941 Cab 12 F60L ARN 45818 1941 Cab 12 F60L ARN 46660 1941 Cab 12 F60L ARN 51720 A/T Portee 1942 Cab 13 F15 ARN 55236 1942 Cab 13 F60L ARN 58171 Mach "D" Loading 1942 Cab 13 C15 ARN 62400 1945 Cab 13 C60L ARN 77821 1941 Chevrolet 3 Ton GS ARN AIF L16070 Middle East veteran Canadian REL (APF) radar trailer |
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Ken
the engine No of this dozer is 4T 4823 and the chap we bought it off was told that during the war it was used on air fields in the Northern Territory and then on the snowy scheme. We have some books with it ...servicemens reference book for caterpillar diesel engines, D7 ...caterpillar diesel D7 tractor ..and caterpillar No. 24 cable control front single drum. The engine starts and runs well and she drives ok its the tracks that are not good, do you remember if the tracks to the 4T are unique or can track of later models fit. Max |
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Max,
The 4T tracks are not unique, the tracks from the 3T will fit and the tracks from the later model D7C and D7D both with 17A serial # will fit, although the 17A tracks might have a couple more links, which are easy enough to remove. The 17A was built up to about 1961 and are still being used around here as farm tractors and bull dozers. The proper Caterpillar 3T was built from 1944 to 1955 and the military/lend lease 4T was built from 1945 until 1948. According to my 1988 Construction Equipment Appraisers hand book 4T 4823 was one of 3831 4Ts assembled in 1946. Ken
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1940 Cab 11 F15 1G-8129F 1941 Cab 12 C60L AIF L4710841 Middle East veteran 1941 Cab 12 F60L ARN 45818 1941 Cab 12 F60L ARN 46660 1941 Cab 12 F60L ARN 51720 A/T Portee 1942 Cab 13 F15 ARN 55236 1942 Cab 13 F60L ARN 58171 Mach "D" Loading 1942 Cab 13 C15 ARN 62400 1945 Cab 13 C60L ARN 77821 1941 Chevrolet 3 Ton GS ARN AIF L16070 Middle East veteran Canadian REL (APF) radar trailer |
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Ken
we have found track from a D7 E , the seller says they also fit a 17A from his picture there is 34 links in a track with 3 links that are sitting loose would these tracks be any good to us and they also have 20" plates Max |
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Max,
I am almost 100% sure D7E tracks are longer in the pitch and won't engage the sprocket correctly I think they may be wider as well . A free phone call to Tillys in Toowoomba will confirm.I would suggest measuring your link pitch but they are probably worn out to D7E length now anyway. Cheers Ken
__________________
1940 Cab 11 F15 1G-8129F 1941 Cab 12 C60L AIF L4710841 Middle East veteran 1941 Cab 12 F60L ARN 45818 1941 Cab 12 F60L ARN 46660 1941 Cab 12 F60L ARN 51720 A/T Portee 1942 Cab 13 F15 ARN 55236 1942 Cab 13 F60L ARN 58171 Mach "D" Loading 1942 Cab 13 C15 ARN 62400 1945 Cab 13 C60L ARN 77821 1941 Chevrolet 3 Ton GS ARN AIF L16070 Middle East veteran Canadian REL (APF) radar trailer |
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