Horsepower hint from model number

Posted by Evan350 on September 05, 2003 at 07:18:30 from (129.42.208.172):

It seems with many of the older, numbered IH tractor models, you can guess the approximate horsepower from the model number by replacing the last two digits with a 0. 1066 -> 100, 656 -> 60, 340 -> 30, etc. There are a few where it is a little off, like the 350 is actually 42 horsepower, but I've used this rule of thumb to get a mental image of IH models I haven't seen. This little rule breaks down with the Hydro models and the later 3xxx, 4xxx, etc. models (which by the way no one around here seems to have--its like in the 1960's someone threw a switch and any tractors around here newer than that are John Deeres--but no shortage of older IHs though.) Short of just 'knowing' the IH models, is there any rule to help relate the Hydros and late 4 digit models to their horsepower?

Follow Ups:

• Re: Horsepower hint from model number Roy in UK 14:16:14 09/05/03 (0)
• Re: Horsepower hint from model number Super Cmore 08:20:50 09/05/03 (4)
  • Re: Re: Horsepower hint from model number Randy 11:20:36 09/05/03 (0)
  • Re: Re: Horsepower hint from model number supermpuller4 10:33:52 09/05/03 (0)
  • Re: Re: Horsepower hint from model number Evan350 08:58:37 09/05/03 (1)
    • Re: Re: Re: Horsepower hint from model number Aces 11:01:53 09/05/03 (0)

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