bwoolbr Posted September 19, 2018 Share Posted September 19, 2018 (edited) I've been doing research on the B83s. It appears there are 3 different radiators on them... some have the standard B81, some have a dual core with a round top, and some have a dual core with a flat top. I searched and found where it was talked about before but does anyone have a for sure answer on why they are different? If it helps, I know the dusty one is a B833 and the Green one is a B83 with a 250 cummins, Not sure about the other two Edited September 19, 2018 by bwoolbr Quote Link to comment https://www.bigmacktrucks.com/topic/54314-b83-radiator/ Share on other sites More sharing options...
41chevy Posted September 19, 2018 Share Posted September 19, 2018 B83 (1956-1966, 1164 made, NH-220(250) diesel engine, 220-250 hp). B833 (1956-1966, 216 made, NT-series diesel engine, 250-280 hp) The rads are cast tank severe duty units. Not as susceptible to flexing and stress damage as the standard B radiators I was told. Quote "OPERTUNITY IS MISSED BY MOST PEOPLE BECAUSE IT IS DRESSED IN OVERALLS AND LOOKS LIKE WORK" Thomas Edison “Life’s journey is not to arrive at the grave safely, in a well preserved body, but rather to skid in sideways, totally worn out, shouting ‘Holy shit, what a ride!’” P.T.CHESHIRE Link to comment https://www.bigmacktrucks.com/topic/54314-b83-radiator/#findComment-406253 Share on other sites More sharing options...
j hancock Posted September 19, 2018 Share Posted September 19, 2018 I had a B833 with the wide radiator with round top running a 335 HP Cummins. More water capacity helped keep things cool. Quote JimIt doesn't cost anything to pay attention. Link to comment https://www.bigmacktrucks.com/topic/54314-b83-radiator/#findComment-406258 Share on other sites More sharing options...
B-81SXBruin Posted September 20, 2018 Share Posted September 20, 2018 I had heard that the dual core no matter what top “belonged” to v8’s... single core to inline 6’s. Quote Link to comment https://www.bigmacktrucks.com/topic/54314-b83-radiator/#findComment-406280 Share on other sites More sharing options...
hicrop10 Posted September 20, 2018 Share Posted September 20, 2018 I have a b873sx that has the big square top tank.It has a 335 Cummins in it. Quote Link to comment https://www.bigmacktrucks.com/topic/54314-b83-radiator/#findComment-406294 Share on other sites More sharing options...
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