Re: last of the true IH tractors

Posted by billonthefarm on February 22, 2007 at 05:48:56 from (204.42.20.63):

In Reply to: last of the true IH tractors posted by ed1 on February 21, 2007 at 18:11:08:

There is no bigger fan of IH's 414-436-466 engines than I am. When they put that 505 cummins in the combines I was very dissapointed. Then I quickly changed my opinion. In the tractors they turn slower than the IH engines and still develop alot of power and torque with seemingly little effort. In the combines they run a little faster. So far they have been very dependable. It is known that about every 2000 hrs the injectors should be replaced and that it is possible to have head gasket troubles on the bigger models. I remember standing with a JD servce manager next to his dyno and watching him dyno a early 7140 that less that a year old and everything was factory sealed. It ran at 240hp at rated speed and would just keep climbing as he pulled it down. That same day he also ran a 7120 that had 200hp and showed the same torque curve. He was very very impressed with the torque and power they developed. Those IH engines were the best thing out there in the 70's and 80's but the 505 CDC engine that replaced them is quite impressive and will stand on its own merits.
bill

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