Kato N 176-6109 Amtrak Phase III EMD F40PH Diesel Locomotive Passenger Train August 15, 2026 By 0 To support passenger service, the F40PH is equipped with a secondary electrical generator referred to as the head end generator, or HEP, for Head End Power. Model: EMD F40PH Diesel Locomotive. Body-mounted Kato magnetic knuckle couplers.