Here is a Proto920-40690 HO ATSF EMD 37-Class F7A Diesel Locomotive w/DCC/Sound #41C.
Prototype Specific Details including:
Leslie 5-Chime S5T Horn
36″ Dynamic Brake Fan
Mars Light
Vertical Farr Type Stainless Side Grilles
Real Metal Finish — Matches Walthers Plated El Capitan & Super Chief Cars
Typically Operated in A-B-B-A Lash-ups
Full-Feature Tsunami(R) Sound & Control Decoder

This item has been graded per TCA standards C-8: Like New based on visual appearance. User installed trim parts are included. The instruction manual is included. The original box is included. Please see my pictures for additional features. Overall condition is Like New.

Condition: Like New (C-8)
Operational Status: Functional
Original Box: Yes (P-7)

Manufacturer: Proto 2000
Model Number: 920-40690
Road Name: Atchison Topeka Santa Fe (ATSF)

Scale/Era: HO Scale
Model Type: Diesel Loco

The SKU for this item is 5915555.

Product Id: 12740971