The motor, which Herbach doesn't carry right now, and a few other sites to check out.
http://www.herbach.com/Merchant2/merchant.mv?Screen=CTGY&Store_Code=HAR&Category_Code=ACGEARHEAD&Offset=0&Previous_Stack_Depth=0
http://www.electronicsurplus.com/leftnav/motors/acgearmotors.cat...