SeanP Posted July 11 Share Posted July 11 Can anyone tell me what year this engine was manufactured? I thought the tractor was a 1977 but the rod bearings have 79 stamped on them. Engine serial is 437 TT2U107373 Quote Link to comment Share on other sites More sharing options...
ksfarmdude Posted July 11 Share Posted July 11 5 minutes ago, SeanP said: Can anyone tell me what year this engine was manufactured? I thought the tractor was a 1977 but the rod bearings have 79 stamped on them. Engine serial is 437 TT2U107373 What model is the tractor ? serial # usually found on the rear frame casting gotta start there first Engine serial numbers as far as I know tell you nothing Quote Link to comment Share on other sites More sharing options...
SeanP Posted July 11 Author Share Posted July 11 It’s a 1486. I don’t have the serial on the tractor at the moment. I’ll take a picture of it tomorrow. There should be a way of utilizing both tractor serial and engine serial to confirm engine is original to tractor Quote Link to comment Share on other sites More sharing options...
ksfarmdude Posted July 11 Share Posted July 11 2 minutes ago, SeanP said: It’s a 1486. I don’t have the serial on the tractor at the moment. I’ll take a picture of it tomorrow. There should be a way of utilizing both tractor serial and engine serial to confirm engine is original to tractor You would think , but them engines are used in several different applications and the engines were mass produced , I don't know of any source connecting the tractor serial with the engine numbers Quote Link to comment Share on other sites More sharing options...
Matt Kirsch Posted July 12 Share Posted July 12 1 hour ago, SeanP said: It’s a 1486. I don’t have the serial on the tractor at the moment. I’ll take a picture of it tomorrow. There should be a way of utilizing both tractor serial and engine serial to confirm engine is original to tractor There should be, but there isn't. A lot of information disappeared when Case was brought in. Quote Link to comment Share on other sites More sharing options...
brahamfireman Posted July 12 Share Posted July 12 3 hours ago, SeanP said: Can anyone tell me what year this engine was manufactured? I thought the tractor was a 1977 but the rod bearings have 79 stamped on them. Engine serial is 437 TT2U107373 If your worried about finding a replacement rod, As long as the rod casting numbers are the same, and weights are close you'll be fine. Should be a 600 number stamped on the machined side surface of the rod. Quote Link to comment Share on other sites More sharing options...
HydroTek Posted July 12 Share Posted July 12 Thought the rods were all the same in the 400 series engines - 414, 436 ,466 only the stroke and wrist pin placement were the differences 1 Quote Link to comment Share on other sites More sharing options...
R190 Posted July 13 Share Posted July 13 On 7/11/2023 at 9:03 PM, HydroTek said: Thought the rods were all the same in the 400 series engines - 414, 436 ,466 only the stroke and wrist pin placement were the differences Early rods had the partline in at a different angle . The early rod was used in the312 and 360 engine after it was discontinued in the 400 series engine because it would fit down the sleeve where as the later one would not. Quote Link to comment Share on other sites More sharing options...
HydroTek Posted July 13 Share Posted July 13 Can't say I ever tried to stick the rod with the cap installed thru the cylinder Had many of those engines down over the years, but I don't remember any that had a different split angle maybe on the very early serial numbers Yes , the earlier series engine (407 , 429) had a different rod split -- but I was not aware any of that carried over to the 400 series engines -- Reading the update literature for the "new 1971" tractors, rod design changes were one of the bullet points Quote Link to comment Share on other sites More sharing options...
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