Providing enough steam to power train heat and some air conditioning systems on postwar trains taxed the standard water supply of EMD F7 A units set-up for passenger service, prompting EMD to roll out the new FP7 in 1949. Though outwardly similar to the F7A, FP7s were actually four feet longer to accommodate bigger water tanks with a capacity of 950 US gallons.

Standard passenger power into the Amtrak era and beyond (with some also handling freight chores), these WalthersProto replicas are fully assembled and ready for service with:

• One time run of these roadnumbers, order now - limited quantity available!

• Matches the prototypes' extended frame and body

• Railroad-specific details

• Five-pole, skew-wound, high-torque, high-efficiency can motor

• Helical gears with 14:1 ratio for smooth, ultra-quiet running

• Easy multiple-unit operation

• Correct RP-25 wheelsets

• Proto MAX magnetic metal knuckle couplers

Chesapeake & Ohio - As Delivered

A unit details -

• Nathan M5 Air horn w/all bells forward

• Whip-style radio antenna w/conduit

• Freight pilot

• Knob-style sand hatch doors

• Late water filler

• Cab wind deflectors

• Etched-metal cab sunshades

• Standard type winterization hatch

• Vertical body louvers

• Photo-etched Farr vertical grilles

• Dual headlights - upper single, lower twin vertica