A signature diesel for your HO railroad, the WalthersProto GP9 Phase II with High Hood is a real workhorse! With revised tooling and road-specific details, the models are based on prototypes built from 1955 to 1957 (known to modelers and railfans as the ′phase two′ version), and many are still in service today. Features of the models include: Limited-edition - one time run of these roadnumbers Based on units in service from 1955 to the present Improved hood contours and Phase II detail Road-specific details Wire grab irons and lift rings 21mtc connector Warm white LED constant and directional headlights 14:1 helical gears for ultra-quiet and smooth running 5-pole, skew-wound, high-torque, high-efficiency can motor Easy multiple-unit operation Superb paint and lettering Heavy die-cast metal underframe Proto MAX(TM) metal knuckle couplers Undecorated Some assembly required. Model includes: Dynamic brake long hood with 36′ radiator fans Non-dynamic long hood Standard short hood WM chop nose cab WM chop nose short hood Simplified skirt sill unit Modified skirt sill unit