1985 450E with 4045d engine

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Radkins
MC crawler
MC crawler
Posts: 1
Joined: Sun Feb 22, 2026 9:07 am

1985 450E with 4045d engine

Post by Radkins » Sun Mar 08, 2026 5:45 pm

Needing a injector pump and can find a part number on which one it takes it’s a 300 series engine non turbo

Jim B
350 crawler
350 crawler
Posts: 2522
Joined: Sun Nov 05, 2017 11:36 am
Location: western Maine

Re: 1985 450E with 4045d engine

Post by Jim B » Mon Mar 09, 2026 4:09 pm

Welcome to the Boards.

The 450E originally was a 4276T. As to what pump a 4045 engine needs that may be a question asked at your JD dealer or an injection shop. The 4045D is/was used in many applications with different pumps and settings.

If your JD Construction and Forestry dealer has a Repower book, they may be able to look up a 450E repower. I have an older JD Ag repower book and see a 2630 Ag tractor repower. That shows as having a 4276T with the repower being a 4045D, according to an old repower book I have. It shows the injection pump as option 1602 and some notes about changes needed to the pump for use in that tractor. A JD dealer should be able to find out what the option 1602 is, if they don't have 450E repower info, which could give you a starting point. Note that the 2630 uses a pull type shut off and your 450E would be electric so all the Ag changes needed won't be the same as needed for your crawler.

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