http://catexcavator.org/uncategorized/where-is-the-engine-heater-plug-on-a-caterpillar-312c-excavator/08/26/2009/ An excellent source for finding Caterpillar Excavators Mon, 01 Mar 2010 20:16:30 +0000 hourly 1 http://wordpress.org/?v=3.3.1 http://catexcavator.org/uncategorized/where-is-the-engine-heater-plug-on-a-caterpillar-312c-excavator/08/26/2009//comment-page-1#comment-12 Rob G Wed, 26 Aug 2009 12:24:56 +0000 http://catexcavator.org/uncategorized/where-is-the-engine-heater-plug-on-a-caterpillar-312c-excavator/08/26/2009/#comment-12 On the 312c it has a 3064T cat engine that doesn't use a block heater. It uses a circulation heater which is usually installed either on a heater hose, or on the lower radiator hose. Check the hoses to see if there is a cylinder or a "box" with a plug on it. If it doesn't have one, they are available at most equipment or automotive stores. You would have to know the inside diameter of the hose when you go to purchase a lower rad hose model. If it's going in a heater hose, they are a standard 5/8". Hope this helps you. Keep warm! Rob On the 312c it has a 3064T cat engine that doesn’t use a block heater. It uses a circulation heater which is usually installed either on a heater hose, or on the lower radiator hose. Check the hoses to see if there is a cylinder or a “box” with a plug on it.
If it doesn’t have one, they are available at most equipment or automotive stores. You would have to know the inside diameter of the hose when you go to purchase a lower rad hose model. If it’s going in a heater hose, they are a standard 5/8″.
Hope this helps you. Keep warm!
Rob

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