HO Scale – WALTHERS Mainline 910-9771 OAKWAY LEASING SD60 DCC – DECODER Ready August 16, 2026 By 0 Features include: Beef up your freight locomotive fleet with this Walthers Mainline SD60s. Based on early production units with EMD Spartan (standard) cabs, these heavy haulers are still going strong for many original owners and short-lines.