The shorter handle is usually the Caterpillar brake saver. A hydraulic engine retarder “brake” that is installed on the flywheel.
Johnson bar
Discussion in 'Questions To Truckers From The General Public' started by Jerryb, Jan 2, 2008.
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Deere hunter and AModelCat Thank this.
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I have never heard Johnson bar, we’ve always called it a chicken stick!
AModelCat Thanks this. -
Round these parts its called a spike.
Deere hunter Thanks this. -
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The retarder itself is hydraulic but it is actuated by an air valve. -
air reservoirs behind the cabin ,the owner told that it have no retarder but I forgot to ask why it have two
johnson bars,At this time the truck dos'nt exist anymore it was scraped many years ago;.again thank You for your information.AModelCat Thanks this.
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