Cat 300 running hot on gradea
In 90+ weather when pulling a long grade my 05 Bounder 34m with a 300hp Cat will run in the hot on the guage and the yellow light comes on, I will down shift and let up on pedal. When top of pull it c...
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If memory serves your best cooling RPM is at 2200 RPM. Settle into a gear that allows the 2200 RPM then you can start playing in that RPM range with and up shift or speed up a touch to see if it stays cool.
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