Help with JD 2020 Number game

RYoung · May 7, 2015

Greetings everone. I own a JD 2020 tractor. The other day the hydraulic pump coupler broke. What i found is that the crankshaft pulley is not the OEM pulley (R96347). The pulley had blocks welded inside to have the drive bushing bolts be able to be bolted to the pulley. I order a used pulley (R80808) to replace the old pulley. The pulley came with just two 3/8 X 16 holes for the drive. I add 4 new holes in the same bolt circle so should a drive bolt break I would have 4 more holes to pull off the Pulley. Went to install the pulley, i ended up cranking it on the key. I should have pulled the key and replace and measured to make sure everything was right. Hind sight. So right now i'm wondering if the motor is the right motor. If anyone could help me with this that would be great. When I look up the motor number keeps coming as a gen motor. Motor number is: CD 4239 D 885020 .

Bob Bancroft · May 7, 2015

Over on the JD forum some of those guys can tell you without having to do research. I think you have a newer, bigger, replacement engine. I think the original for that tractor would have been a 219.

centash · May 7, 2015

Agree. Those numbers are similar to a 2120. Canadian model , Mannheim built, I believe similar to the US 2030.

Ben

cushman · May 7, 2015

The original diesel would have been a 202,the 239 was used in the 2350 and some 2550s including many other applications.

Tx Jim · May 8, 2015

Here's a pulley for a 239 engine. What are your engines casting numbers? A&I pulley is even cheaper.

buickanddeere · May 8, 2015

there is a free parts book on the JD web site . It even has a part number cross reference to find where it's used.

Help with JD 2020 Number game

RYoung

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Bob Bancroft

Well-known Member

centash

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cushman

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Tx Jim

Well-known Member

buickanddeere

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