Steve S. 2 Posted September 14, 2020 Share Posted September 14, 2020 My recently purchased TD9 was located at a sawmill. At the back of the property is sitting an International gas start diesel powerplant. I assume that it once powered the sawmill. No one knows anything about it. I think they would like to see it leave the property. It is a six cylinder with a Bosch fuel pump. It appears to be complete. It is located near Tunkhannock PA. If anyone has interest, I can find out more. Quote Link to post Share on other sites
Redwood 3 Posted September 14, 2020 Share Posted September 14, 2020 Appears to be a UD18 stationary engine. Could you please post a photo of the back side of the engine? Gene Quote Link to post Share on other sites
Steve S. 2 Posted September 14, 2020 Author Share Posted September 14, 2020 This is the only other picture I have. Quote Link to post Share on other sites
hardtail 855 Posted September 15, 2020 Share Posted September 15, 2020 It is a UD18, looks like an earlier version with the filter arrangement, only one visible exhaust stack kind of odd? Quote Link to post Share on other sites
PA Shovel 0 Posted September 16, 2020 Share Posted September 16, 2020 What are the differences between the UD-18, and UD-16 ? Quote Link to post Share on other sites
hardtail 855 Posted September 16, 2020 Share Posted September 16, 2020 UD18 691 probably came out 1939, only of only gas starts that has injection pump driven by shaft and coupling UD16 554 came out around and I’m guessing 1958, you see a very similar looking engine in early graders and other but likely UD 525 HP wise almost the same as last 18’s, hp numbers climbed over the years, exhaust manifold differences between the 2, dull stacker as CC would say Quote Link to post Share on other sites
PA Shovel 0 Posted September 17, 2020 Share Posted September 17, 2020 Hardtail: Thanks, that was helpful. I have/had a UD-16 in my Koehring shovel, although the engine is sitting my shop as it got some water into a few of the cylinders and I'm not having much luck finding internal parts. Was not sure if the 18 might be a parts unit for my 16. The other interesting part of your information is that indicate that the UD-16 came out in 1958 ish. My shovel was built in 1953, and just recently I purchased a Koehring parts manual. After some reading, I learned that the Koehring 304 was offered with either CAT power or a UD-14 when manufactured new. This seems to confirm that my shovel was re-powered at some point with the larger UD-16. Quote Link to post Share on other sites
Redwood 3 Posted September 17, 2020 Share Posted September 17, 2020 PA, Keep in mind that the UD-16 is the 6 cylinder version of the UD/TD-9 engine so they share a lot of common parts. Gene Quote Link to post Share on other sites
PA Shovel 0 Posted September 21, 2020 Share Posted September 21, 2020 Redwood; thanks for the info, I was not aware of the common parts with UD/TD-9 motor. Are parts for the UD/TD-9 more available ? Quote Link to post Share on other sites
hector gemme 3 Posted September 22, 2020 Share Posted September 22, 2020 The TD9 serie 350 and TD15 should have the same intern parts than UD16 Quote Link to post Share on other sites
hardtail 855 Posted September 23, 2020 Share Posted September 23, 2020 ST 470 posted this handy chart that shows what fit what, should be a sticky Quote Link to post Share on other sites
waterloo 1 Posted October 12, 2020 Share Posted October 12, 2020 I have been working on an identical engine. Early UD 18 c/w american bosch injector pump. Quote Link to post Share on other sites
waterloo 1 Posted October 13, 2020 Share Posted October 13, 2020 Steve S. So what is happening with this engine? Quote Link to post Share on other sites
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