Shift points for the highest torque?

Posted by Cliff on October 04, 2003 at 23:30:45 from (204.96.24.129):

Shift points for the highest torque?

Just read several interesting definitions for horsepower and torque in one of the post below.

I have always wondered how to find out where the highest torque level is for a tractor or truck. At what RPM is the engine putting out the most pulling power?

Also how about when shifting gears on a loaded truck. What is the best rpm to shift at to get the most power. For example: your pulling onto an interstate entrance ramp pulling a trailer with tractor on it. You want to get up to speed as fast as possible. I am guessing most the responses will be you go by feel of your truck or tractor. Anyone have any other ideas of finding the best shift points on the tach. Race car drivers would probably call this the highest power curve on a graft.

I have kind of thought on a tractor if your tach shows your engine is running at a speed that gets the pto up to 540, then you are probably hitting the highest power curve at the optimal rpm. Not sure just a guess.

Looking forward to hearing the wisdom of this board. We got some sharp guys on it.

Thanks
Cliff

Follow Ups:

• Re: Shift points for the highest torque? Stan TN 20:41:22 10/05/03 (0)
• Re: Shift points for the highest torque? Rod F. 19:54:44 10/05/03 (1)
  • Re: Re: Shift points for the highest torque? Cliff 20:32:09 10/05/03 (0)
• Re: Shift points for the highest torque? Bus Driver 17:51:45 10/05/03 (0)
• Re: Shift points for the highest torque? Jerry/MT 17:45:32 10/05/03 (0)
• Re: Shift points for the highest torque? Cliff 15:45:22 10/05/03 (0)
• Re: Shift points for the highest torque? rhudson 06:05:30 10/05/03 (0)
• Re: Shift points for the highest torque? MarkB 04:21:06 10/05/03 (4)
  • Re: Re: Shift points for the highest torque? wdTom 17:32:18 10/05/03 (0)
  • Re: Re: Shift points for the highest torque? sod 07:54:14 10/05/03 (2)
    • Re: Re: Re: Shift points for the highest torque? buickanddeere 11:28:08 10/05/03 (1)
      • Re: Re: Re: Re: Shift points for the highest torq Rod (NH) 13:02:48 10/05/03 (0)
• Re: Shift points for the highest torque? Nebraska Cowman 04:17:32 10/05/03 (0)

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