My C15 in my 379 needed serviced so I took a 386 mid-roof with a 500 S60 Detroit with an 18 speed. What a difference lol in most cases I never have to run my C15 over 1,600 rpms grossing 80k through PA hills. This Detroit will die if I run it under that and I'm only grossing 74k. Not to mention it takes forever to drop rpms to get it in the next gear. Now I know why guys shift with the jake lol. I've never used my 4 ways as much as I have on this trip. I can't wait to have my kitty cat back
C15 625 vs Series 60 500...
Discussion in 'Peterbilt Forum' started by Dave1837, Jan 15, 2020.
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If you need quick shifts coming from a stop going up hill,
Use the fan override switch insteadCrude Truckin' and Dave1837 Thank this. -
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Crude Truckin' Thanks this.
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If you need it really really quick just use the fan and the Jake break !
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Every month 400 people find a job with the help of TruckersReport.