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Cobalt · 02-12-2018, 04:16 PM

I installed a 20kw Kohler generator with a 400 amp transfer switch back in 2001. The unit is power by a water cooled Ford inline 4 cylinder engine. The generator provides emergency power for the house and free standing garage.

The generator performed with only two minor issues over the last 17 years. One was covered by warranty, the other required replacement of an exhaust pipe. I am not sure if water cooled engines are still available in Kohler generators. It was designed to offer power for longer periods of time.

The engine maintains constant temperature by use of a block heater that circulates antifreeze. It cannot be disconnected without setting off a low temp warning tone. It adds approximately $90 a month to the electric bill during the winter months which I consider the units biggest negative.

Good luck with your choice.

02-12-2018, 04:16 PM	#3
Cobalt Senior Member Join Date: Jan 2005 Posts: 130 Thanks: 70 Thanked 33 Times in 25 Posts	I installed a 20kw Kohler generator with a 400 amp transfer switch back in 2001. The unit is power by a water cooled Ford inline 4 cylinder engine. The generator provides emergency power for the house and free standing garage. The generator performed with only two minor issues over the last 17 years. One was covered by warranty, the other required replacement of an exhaust pipe. I am not sure if water cooled engines are still available in Kohler generators. It was designed to offer power for longer periods of time. The engine maintains constant temperature by use of a block heater that circulates antifreeze. It cannot be disconnected without setting off a low temp warning tone. It adds approximately $90 a month to the electric bill during the winter months which I consider the units biggest negative. Good luck with your choice.