The FEC version features these specific details:

 

Mid Production

Cab Headlights

Brakewheel

Dynamic Brake

Sunshades

High Snowplow

4000 Gallon Fuel Tank

Nathan K3LA Airhorn

Corrugated Radiators

Q-Fans

Ditch Lights

Small width Anticlimber

HTC Trucks

116´Nose

Prototypical Antennas

and more.....

 

In addition, all AZL SD40-2s include directional controlled LED lighting, blackened metal wheels, traction tires, AZL AutoLatchTM couplers and optional pilots/plows. 

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