beatngu Posted February 14, 2006 Share Posted February 14, 2006 what size engine would a b-42s take?/does any body know where to get one? Quote Link to comment https://www.bigmacktrucks.com/topic/815-engine-for-b-42s/ Share on other sites More sharing options...
rsmartyn Posted February 14, 2006 Share Posted February 14, 2006 On the B's, if it has an even number then the engine was gas. Odd number it's diesel. And the number originally designated the gross weight. A B42 was a 40,000lb gas powered truck or a B61 was supposed to be a 60,000 lb diesel powered truck. There are a lot of guys on this site who know Mack gas engines much better than I do and may have swaped gas with a diesel. Maybe they can tell you. Quote Ain't a Mack? Take it back! Link to comment https://www.bigmacktrucks.com/topic/815-engine-for-b-42s/#findComment-4047 Share on other sites More sharing options...
b61fred Posted February 14, 2006 Share Posted February 14, 2006 hi, I think the b 42 would have a 401 flathead gas engine. Fred Quote 15 gears...no waiting! Link to comment https://www.bigmacktrucks.com/topic/815-engine-for-b-42s/#findComment-4049 Share on other sites More sharing options...
Packer Posted February 14, 2006 Share Posted February 14, 2006 I've got a 401 that I drove 47 miles home.New plugs, new wires, rebuilt carb.FOR SALE (cheap)PackerAnd I may even deliver!Packer Quote Keep a clutchin' Link to comment https://www.bigmacktrucks.com/topic/815-engine-for-b-42s/#findComment-4050 Share on other sites More sharing options...
beatngu Posted February 14, 2006 Author Share Posted February 14, 2006 how much? Quote Link to comment https://www.bigmacktrucks.com/topic/815-engine-for-b-42s/#findComment-4066 Share on other sites More sharing options...
bulldog man Posted February 24, 2006 Share Posted February 24, 2006 mine is B422T ORIG MOTOR 438 Gas from factory now a 711 diesel just my 2 cents & yall have a safeone mack Quote You Cant Fix Stupid. But You Can Numb It With A Sledgehammer. Link to comment https://www.bigmacktrucks.com/topic/815-engine-for-b-42s/#findComment-4323 Share on other sites More sharing options...
Packer Posted February 25, 2006 Share Posted February 25, 2006 Hit me with a price we can both live with! I'm easy!Packer Quote Keep a clutchin' Link to comment https://www.bigmacktrucks.com/topic/815-engine-for-b-42s/#findComment-4335 Share on other sites More sharing options...
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