Cummins n14 overheating under load


If you let it idle, it would slowly cool back down, and then when you shut the key off, the lower seal of the radiator where the lower tank and the core are crimped together would pop, and coolant would start dripping out of the radiator. After I put the 3rd radiator in it, I finally got a call from Cummins tech support. Cummins isx operating temp on flat is about 200, soon as it goes to work on a low grade it climbs to 210 kicking on the engine fan and guzzling fuel. Under a hard pull it reaches 225 but never overheats. Any Idear what the deal. Drivers thanks for your time! - Engine Dec 30, 2015 · Daniel, the N14 is notorious for injector issues. When one goes out replace them in pairs. I have two of them, once you get the bugs worked out they are great engines. Heck you can overhaul the whole thing for under $10,000. Throw in some new injectors and you have a new machine again. Oct 18, 2019 · Cummins ISL9 Engine and Engine Cooling Equipment Technical Service Bulletin. ... Cummins ISL9 Engine and Engine Cooling Equipment Technical Service Bulletin When does it smoke: at idle, when cold, under load, during load change, at no load, or all the time? What were the climate conditions at the time the problem occurred? Altitude? What loads are being applied? For example, water heater, charger inverter, coffee pot. Has the genset been looked at for the same complaint, if so, do you know what was ...