* Limited edition - one-time run of these engine numbers
 
* Road-specific details
 
* Authentic "bulldog" nose
 
* 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
 
* Proto MAX(TM) metal knuckle couplers
 
Based on F7A/Bu locos rebuilt circa 1973 to 1987-88 with:
 
* NEW Bell and top-mount bracket
 
* NEW Rear lift lugs on A & B Units
 
* Brass Nathan K3 air horn on A units
 
* Brass single chime air horn on B units
 
* Sinclair radio antenna
 
* Partial fuel tank skirts
 
* Horizontal grilles
 
* Nose door without headlight
 
* Freight pilot
 
* Knob-style sand doors
 
* Back up light (nonworking)
 
* Oil cooler
 
* Winterization hatch
 
* Etched sunshades
 
Prototype photo by Bill Raia, courtesy Dennis Pehoski collection