Here is a Proto 2000 21517 HO Scale Chicago, Burlington & Quincy Powered GP30 Diesel #955. This locomotive features a heavy die cast chassis, DC motor with superrite anisotropic magnets, sintered bronze oilless bearings, all-wheel drive and electrical pickup, 5 pole skew wound balanced armature motor with low amp draw, dual machined brass flywheels, operating knuckle couplers, operating headlamp, metal wheels and axles. please note I did test locomotive, motor sode turn under power. grease needs to be cleaned out of trucks and new axle gears need to be installed. this is a new old stock locomotive that has never been on a layout.