Finally came a private label Taiwanese 12" portable planer, which was essentially a knock-off of the successful Ryobi and Delta portable planers, and was remarkably similar to the first version of the Jet JWP-12. These were sold during Shopsmith's "Woodworking Unlimited" phase in the early to mid 1990's.
As of July 2020 the Mark V mounted 12" Planer is still in production by Shopsmith and has an MSRP of $1590.00. The Pro Planer is no longer in production.
Watch this video for Shopsmith Pro
Planing on a Shopsmith Pro
Sadly the Shopsmith Pro planer is now out of production.
Among other things, the company who manufactured the variable speed drive motor, Von Weise, required a much higher volume commitment than what Shopsmith was able to maintain, so the two Shopsmith Planers have been retired. I've heard from some folks who have purchased used SS planers and who have experienced breakage of the plastic drive gears, only to be told by the folks at Shopsmith that they had to purchase an entirely new motor. This is the case. You do have another option: contact Von Weise directly at their web site: http://www.vonweise.com They'll need some numbers off your motor to get you the correct gears, but they'll only set you back $6 or so. In fact, you'll probably pay more in shipping than the cost of the gears.
This is the first time I've done this on this blog, but I'm going to make a recommendation that if you can't find the SS
Click here to see the DW735 and DW735R for Sale on eBay.
Click here to see the DEWALT DW735 15 Amp 13-Inch Benchtop