Re: Re: Re: Recommendations for Winter start up of diesel tractor

Posted by R.Williams on March 30, 2001 at 07:20:44 from (169.207.45.101):

In Reply to: Re: Re: Recommendations for Winter start up of diesel tractor posted by Greg Aust on March 27, 2001 at 13:25:09:

sorry for the delay, I figured someone else would jump in and tell about coolant heaters.

They are sometimes called: block heater, tank heater, freeze plug heater, lower radiator hose heater, Red Hot heater... Whatever, they all heat the coolant using an electrical heating element, like a small hotwater heater. Most use convection principle to move the warmed coolant around inside the engine block. The idea is to warm up the combustion areas and hopefully some of the air intake area. To start and run, a diesel engine must raise the air temprature, in the combustion, to at or above the flash point of the fuel oil as it's injected. In cold weather, with low cranking speeds, this is more than a chore for most diesels. Pre-heating the air and heating oil on moving parts is what the coolant heater does. Most all Tractor Dealers and Ag/Auto/Truck suppliers here in the States sell the heaters. Several brands are available. They have different wattage ratings. The higher the wattage rating, the more/quicker heat they generate. Some have flow check valves built in, some have thermostats that turn them on/off as needed. Usually the tank type heater is best. They mount next to the lower part of engine block and require heater hose hookup...one low - one higher up into the engine block cooling system. They have an AC 120V cord with plug to power it up. hope this helps.

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