Putting something "exotic" in a Fergie will be essentially no different than in an 8N. However, you will be making most of the adapters, front and rear, where you might find some help ("Funk" kits) for Fords either as salvage or something that you could copy. This is not like dropping a V6 or a V8 into a Pinto or a Nova. In this tractor (like many others), the engine is a MAJOR structural element. From the pictures at JMSmith's Site (Link below) you can see that, if the block is not strong enough, there are structural members added below or beside the engine. And the drive train strength limitations previously discussed are not so much on engine "power" but on engine "torque". [Note:You can get "power" by running higher engine rpms and that doesn't break anything, you just go faster.] I am not sure what the Fergie engine torque spec is, but based on 28 Hp at 2000 rpm, the calculated torque would be about 75 ft-lb. Granted, the Fergie will probably take a factor of 2 higher torque for a limited time before you break something, but at this 150 ft-lb, the lifetime will be considerably shorter. [And keep in mind that most Fergies have already had 50 years of "normal" abuse already.] Hope this has helped.. Jim [Picture and link credits to JMSmith)
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