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d21-a komatsu


 
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doug fasse
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PostPosted: Thu May 02, 2013 4:13 pm    Post subject: d21-a komatsu Reply to specific post Reply with quote

has anyone ever heard of putting a 3.9 Cummings in a komatsu d21-a crawler
 
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jm.
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Location: Dover Tenn.

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PostPosted: Thu May 02, 2013 6:06 pm    Post subject: Re: d21-a komatsu Reply to specific post Reply with quote

Dough if you jump over to the Dresta or dresser the td 7,8, & 9 H series use the 3.9 I think in the 31 Komatsu no problem but the 21 you may be a little tight.
 
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T in NE
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PostPosted: Sun May 12, 2013 4:35 pm    Post subject: Re: d21-a komatsu Reply to specific post Reply with quote

There were several other changes to the 7,8, and 9 when the Cummins engine went in with the G series. The basic layout is the same, but things moved around in places. A winch from an earlier series won't bolt onto a G or later.

Cummins does have the B3.3, 3.3L 4 cylinder, that I guess is considerably smaller than the 3.9L, some guys swap it into Jeeps and such. If you look close, you may find that's what's in there.
 
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