Photo of Construction Number 5001 showing cab interior of Wickwire Spencer Steel Company 60 ton Heisler Diesel Electric Locomotive at Buffalo, New York, undated.

Photo of Construction Number 5001 showing right rear of Wickwire Spencer Steel Company 60 ton Heisler Diesel Electric Locomotive at Buffalo, New York, undated.

Photo of Construction Number 5001 showing right rear of Wickwire Spencer Steel Company 60 ton Heisler Diesel Electric Locomotive at Buffalo, New York, undated. The locomotive is handling a string of gondola cars.

Photo of Construction Number 5001 showing left front of Wickwire Spencer Steel Company 60 ton Heisler Diesel Electric Locomotive at Buffalo, New York, undated. The locomotive is handling five slag cars.

Photo of Construction Number 5001 showing right rear of Wickwire Spencer Steel Company 60 ton Heisler Diesel Electric Locomotive at Buffalo, New York, undated. The locomotive is handling two hot metal cars.

Photo of Construction Number 5001 showing right front of Wickwire Spencer Steel Company 60 ton Heisler Diesel Electric Locomotive at Buffalo, New York, undated. The locomotive is switching gondola cars loaded with pipe.