OakleyTankLines Posted November 7, 2013 Share Posted November 7, 2013 Where can i find the engine codes for my Straight 6? and where can i find a Spec sheet on it? 1978 Mack F-700( i think cummings) sleeper with double tandems. Quote Link to comment https://www.bigmacktrucks.com/topic/33406-what-engine-do-i-have/ Share on other sites More sharing options...
farmer52 Posted November 7, 2013 Share Posted November 7, 2013 Your best source is the Mack Museum (link below). Send them or call with your serial number and they will provide you with lots of information including the build/spec sheet. A "nice" donation is appropriate for their work. Takes 6-8 weeks but well worth the wait.http://www.macktrucks.com/default.aspx?pageid=40Pics of the engine would help with identifying the model. Quote Ken PRR Country and Charter member of the "Mack Pack" Link to comment https://www.bigmacktrucks.com/topic/33406-what-engine-do-i-have/#findComment-215478 Share on other sites More sharing options...
b61mack Posted November 7, 2013 Share Posted November 7, 2013 Where can i find the engine codes for my Straight 6? and where can i find a Spec sheet on it? 1978 Mack F-700( i think cummings) sleeper with double tandems.The engine could have been changed. what is the numbers after F-700????. 747 would have been 290 cummins or 767 if it had a 350 cummins. does it have an aftercooler. Quote Link to comment https://www.bigmacktrucks.com/topic/33406-what-engine-do-i-have/#findComment-215558 Share on other sites More sharing options...
OakleyTankLines Posted November 8, 2013 Author Share Posted November 8, 2013 F786st Quote Link to comment https://www.bigmacktrucks.com/topic/33406-what-engine-do-i-have/#findComment-215688 Share on other sites More sharing options...
2stacksuperdog Posted November 8, 2013 Share Posted November 8, 2013 That would be a ENDT676- 285 HP 1 Quote Matt Link to comment https://www.bigmacktrucks.com/topic/33406-what-engine-do-i-have/#findComment-215689 Share on other sites More sharing options...
OakleyTankLines Posted November 14, 2013 Author Share Posted November 14, 2013 Thanks that helps. Sure enough that's the one. Quote Link to comment https://www.bigmacktrucks.com/topic/33406-what-engine-do-i-have/#findComment-216667 Share on other sites More sharing options...
Popular Post 1958 F.W.D. Posted November 14, 2013 Popular Post Share Posted November 14, 2013 Where can i find the engine codes for my Straight 6? and where can i find a Spec sheet on it? 1978 Mack F-700( i think cummings) sleeper with double tandems.Whats a Cummings? Never heard of it????? 3 Quote TWO STROKES ARE FOR GARDEN TOOLS Link to comment https://www.bigmacktrucks.com/topic/33406-what-engine-do-i-have/#findComment-216669 Share on other sites More sharing options...
bullhusk Posted November 15, 2013 Share Posted November 15, 2013 Whats a Cummings? Never heard of it?????It's the same as a Cummins only It's there 2 cycle and they call it a Cummings an is most alway found in the FWD fire trucks!!............Is there a problem ????.....LOL just kiddin!!BULLHUSK 1 Quote Link to comment https://www.bigmacktrucks.com/topic/33406-what-engine-do-i-have/#findComment-216818 Share on other sites More sharing options...
1958 F.W.D. Posted November 15, 2013 Share Posted November 15, 2013 It's the same as a Cummins only It's there 2 cycle and they call it a Cummings an is most alway found in the FWD fire trucks!!............Is there a problem ????.....LOL just kiddin!!BULLHUSKHmmmm interesting.....If it's a 2-stroke I should have heard it......so should have the whole world.....And smelled it.....from 4 miles away.......and felt it....as I fall on my ass from slipping in the pee it leaves behind......... Quote TWO STROKES ARE FOR GARDEN TOOLS Link to comment https://www.bigmacktrucks.com/topic/33406-what-engine-do-i-have/#findComment-216823 Share on other sites More sharing options...
bullhusk Posted November 15, 2013 Share Posted November 15, 2013 Hmmmm interesting.....If it's a 2-stroke I should have heard it......so should have the whole world.....And smelled it.....from 4 miles away.......and felt it....as I fall on my ass from slipping in the pee it leaves behind.........I just couldn't help myself!! LMAOBULLHUSK Quote Link to comment https://www.bigmacktrucks.com/topic/33406-what-engine-do-i-have/#findComment-216835 Share on other sites More sharing options...
james j neiweem Posted November 15, 2013 Share Posted November 15, 2013 This brings up an interesting question did cummins ever make a 2 cycle. Quote Link to comment https://www.bigmacktrucks.com/topic/33406-what-engine-do-i-have/#findComment-216863 Share on other sites More sharing options...
1958 F.W.D. Posted November 16, 2013 Share Posted November 16, 2013 This brings up an interesting question did cummins ever make a 2 cycle.Not if they were smart......... Quote TWO STROKES ARE FOR GARDEN TOOLS Link to comment https://www.bigmacktrucks.com/topic/33406-what-engine-do-i-have/#findComment-216924 Share on other sites More sharing options...
bullhusk Posted November 16, 2013 Share Posted November 16, 2013 I think Gray Marine (later became GM Detroit) an Fairbanks-Morse are the only US companys with 2 cy.BULLHUSK Quote Link to comment https://www.bigmacktrucks.com/topic/33406-what-engine-do-i-have/#findComment-216945 Share on other sites More sharing options...
rsb502 Posted November 18, 2013 Share Posted November 18, 2013 EMD still makes 2 strokes in the US, cant fit em in a truck but theyre made in the USA! lol Quote "Any Society that would give up a little LIBERTY to gain a little SECURITY will Deserve Neither and LOSE BOTH" -Benjamin Franklin"If your gonna be STUPID, you gotta be TOUGH" "You cant always get what you want, but if you try sometimes you get what you need" Link to comment https://www.bigmacktrucks.com/topic/33406-what-engine-do-i-have/#findComment-217265 Share on other sites More sharing options...
rsb502 Posted November 18, 2013 Share Posted November 18, 2013 Hmmm actually I wonder if you could build a truck around one of the newer EMD V8 diesels, they were probably about 4-5' tall and 5' long about 4' wide and weigh around 4000-5000lbs. Quote "Any Society that would give up a little LIBERTY to gain a little SECURITY will Deserve Neither and LOSE BOTH" -Benjamin Franklin"If your gonna be STUPID, you gotta be TOUGH" "You cant always get what you want, but if you try sometimes you get what you need" Link to comment https://www.bigmacktrucks.com/topic/33406-what-engine-do-i-have/#findComment-217266 Share on other sites More sharing options...
rsb502 Posted November 18, 2013 Share Posted November 18, 2013 645ci in, 10.57 liters per cylinder, I think itll fit, 9-1/16" bore x 11" stroke oughta be nice with 2100hp on tap at that 900 rpm red line. Quote "Any Society that would give up a little LIBERTY to gain a little SECURITY will Deserve Neither and LOSE BOTH" -Benjamin Franklin"If your gonna be STUPID, you gotta be TOUGH" "You cant always get what you want, but if you try sometimes you get what you need" Link to comment https://www.bigmacktrucks.com/topic/33406-what-engine-do-i-have/#findComment-217269 Share on other sites More sharing options...
Phase 1 Posted November 18, 2013 Share Posted November 18, 2013 I think Gray Marine (later became GM Detroit) an Fairbanks-Morse are the only US companys with 2 cy.BULLHUSKGray Marine used Detroit's for their marine conversions, but I don't think there was any other connection. Winton was the engine company that GM bought out that became the EMD locomotive diesel and I assume it was their experience with those that led them to design a two stroke truck diesel.The larger two stroke Detroit Diesels are still being made although I think it is done overseas now. Quote Link to comment https://www.bigmacktrucks.com/topic/33406-what-engine-do-i-have/#findComment-217276 Share on other sites More sharing options...
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