transmision question on 1990 GMC 3500 Pickup

what transmission came stock in a 1990 gmc dually 4x4

by in Millville, NJ on August 25, 2010
1 answer 1 comment
ANSWER by on August 25, 2010
3 speed, the turbo 400 was an option. overdrive is a 700 R4 use your vin and call the dealer parts and they will tell you. Roy
COMMENT by on September 05, 2010
thanks roy your info was helpful. iwent and purchased a 700r for it though already i was told it will work fine. will plugs all work though? meaning electrical plugs.

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