Small Engines (Lawn Mowers, etc.): Echo TC 210i Drive Shaft, mantis tiller, drive shaft

Question
Is the drive shaft on an Echo TC 210i Part #60531012350 the same as on a Mantis tiller/cultivator Part #468?

Answer
Mantis part #468 is listed as 1926544.  I am not sure if they are interchangable as none of the websites I found listed any specifications.

Is there a Mantis dealer near you where you could take the old Echo part to and see if the shafts match up?

Eric