The difference in the 3-400 HP pickup engine and the semi's engine is about a 1000 foot pounds of torque at 400 HP. My cat truck engine is 550HP @ 1850 torque with peak torque at 1200RPM and peak HP at 1600RPM. Rated engine speed is at 2100RPM. A bit of difference from that pickup engine running 400HP @ 2800RPM with peak torque at ??? . I think my old 6.9 runs peak torque at around 1400RPM and runs out at about 2800RPM engine speed.
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Today's Featured Article - A Cautionary Tale - by Ian Minshull. In the early 1950s my father bought an Allis Chalmers B and I used it for all the row crop work with the mangolds and potatoes, rolling and the haymaking on our farm. The farm and the Allis were sold and I have spent a lifetime working on farms throughout the country. I promised myself that one day I would own an Allis. That time event
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1964 I-H 140 tractor with cultivators and sidedresser. Starts and runs good. Asking 2650. CALL RON AT 502-319-1952
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