Oliver Rear End has fire damage February 21, 2023 02:53AM
There are a couple Oliver Tractors on an auction that are burnt. The tires were burnt off and sheet metal has no paint. My question is would the rearends and axles be worth saving. Or would they be trash? Oliver 1800 Diesel SER# 157829A, and Oliver 1850 Gas SER# 160083A. Looking for Rear end for LLSS Oliver, 5.9. If they are worth saving which one would work best?

Re: Oliver Rear End has fire damage February 21, 2023 11:49AM
Either rearend can be made to work, I prefer the 1850 because it has a transmission oil pump that is gear driven. The 1800 might have an oil pump, but it did not from the factory. The other consideration is gear ratio, the 1800 likely has a higher ratio than the 1850, there is a way to tell from the transmission code, but I do not have the cross reference. As far as the fire, it there is still paint on the outside of the transmission casting, or better yet still gear lube inside the housing, it should be fine.

FYI, those are not serial numbers, they are part numbers. The serial number tag is on the cast pedestal between your feet when sitting on the tractor.

Re: Oliver Rear End has fire damage February 21, 2023 01:18PM
Thank you for the response RCP. I have not physically seen them yet only pictures. Those numbers were what was posted on the add. Would the 1850 be heavier than the 1800 both weight and structurally?

Re: Oliver Rear End has fire damage February 21, 2023 02:05PM
Yes

Re: Oliver Rear End has fire damage February 21, 2023 10:31PM
The 1850 will be heavier, but I am not sure how many pounds. Structurally there is little difference between an 1800 and an 1850. Most people use the 1800, and if you do I would investigate adding an oil pump.

Re: Oliver Rear End has fire damage February 22, 2023 05:13AM
Friend of mine added an electric pump to a JD and got rid of the stock pump.

Re: Oliver Rear End has fire damage February 22, 2023 12:58PM
Pretty well all parts are inter changeable u can take a lot of weight off the axels if the 1800 is a series a it will have the lighter axles keep one set of high range gears then take another set of high range gears machine the centers out one set Then machine the centers from your low range set press in your high range except flip them upside down because theres one tooth difference between the top and bottem place them in your low range p0sition to get you 4 pulling gears 1 tooth apart lots of options



Edited 1 time(s). Last edit at 02/22/2023 01:02PM by Lewis Conner.

Re: Oliver Rear End has fire damage February 22, 2023 11:48PM
To me, the bigger question (and the risk) is what did the fire do to the casting particularly if it got really hot and then doused by the local VFD.



Edited 1 time(s). Last edit at 02/24/2023 02:27AM by mh49.

Re: Oliver Rear End has fire damage February 23, 2023 12:01AM
Agreed, the heat and quick cooling off of the casting could certainly compromise the integrity of the metal.



Dick Morgan

www.PULLOFF.com
Independent Pulling News



Edited 1 time(s). Last edit at 02/23/2023 12:06AM by Dick Morgan.

Re: Oliver Rear End has fire damage February 23, 2023 12:05PM
Thanks for the info. After looking at the pictures more I think it would be best to let them go to the scraper. I don't want to spend money to fix them up and always be worried about the integrity of the casting and axles.

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