Hi Roy, I assume the 434 is a BD-154 Diesel engine. To make a tank heater work, it must circulate the water in the engine block. The bottom of the tank heater (cold water) can be taken from the drain tap hole in the side of the block just above the starter. The top of the tank heater (hot water) can be connected to the thermostat bypass pipe in the water pump. If you have an older water pump assembly there is no thermostat bypass pipe. We had early B414 and 434 that had no thermostat bypass pipe. The later 384 that we had a thermostat bypass and the dealer installed a tank heater. On the B414 and 434, we installed an inline heater in the lower rad hose.
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Today's Featured Article - An Old-Time Tractor Demonstration - by Kim Pratt. Sam was born in rural Kansas in 1926. His dad was a hard-working farmer and the children worked hard everyday to help ends meet. In the rural area he grew up in, the highlight of the week was Saturday when many people took a break from their work to go to town. It was on one such Saturday in the early 1940's when Sam was 16 years old that he ended up in Dennison, Kansas to watch a demonstration of a new tractor being put on by a local dealer. It was an Allis-Chalmers tractor dealership,
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