Posted 11/13/2014 19:07 (#4175980 - in reply to #4175310) Subject: RE: How long would you guess it would take a block heater to............
Northeast CO
What kind of equipment are you talking? A pickup vs a semi truck, pretty sure they both use a 1500w heater, but one holds a lot more coolant than the other. On a pickup, I'd say an hour maybe two.