This is the Walthers Mainline HO Scale EMD F40PH -  Amtrak(R) 243 - DC Locomotive.

Power your favorite Amtrak(R) long-distance or regional trains in style with a WalthersMainline F40PH on the job! Built especially for passenger duties, the prototypes entered service in 1976 and many are still going strong today. Based on Phase 2b prototypes, the models feature:

• Factory-installed vertical hand rails
• Molded drill starter points for grab irons (sold separately)
• RP-25 metal wheels
• Proto MAX(TM) metal knuckle couplers
• Fully assembled
• 21mtc connector
• Molded drill starter points for grab irons, available separately in the 24-piece F40PH Diesel Detail Kit, #910-259

Same powerful drive as WalthersProto(R) locos featuring:

• - Five-pole skew-wound motor
• - 14:1 gear ratio
• - Helical-cut gears for quiet operation and easy multiple unit operation
• - All-wheel drive and electrical pickup
• - Heavy die-cast metal chassis
• - Constant and directional LED lights