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- Mon Jun 23, 2008 11:37 am
- Forum: Late model JD crawler technical support
- Topic: JD 450 Engine Rebuild
- Replies: 0
- Views: 2353
JD 450 Engine Rebuild
I'm rebuilding my JD 450 (S# T5F3M 076639)) engine out of machine. The original block (M53TF 117795T) was cracked so I obtained a replacement block (M5BTA 091895T). The old block was a 4.202 and it looks like the replacement block is a 4.219. They have the same casting number T26933 but of course th...