Chicago, Burlington & Quincy SD24 #504 leads the famous Nebraska Zephyr trainset onto the mainline at the Illinois Railway Museum during the annual Diesel Days event in 2018.

BN 6254, former CBQ SD24 no. 514, built May 1959, shows off its BN scheme complete with former Burlington Mars lights at Harrison Street roundhouse, Minneapolis.

This locomotive was built by General Motors Electro-Motive Division as Union Pacific SD24B 438B in September 1959. Retired by the UP in October 1977, this cabless locomotive was purchased by Prec... (more)

CB&Q 504 waits in Johnson Siding with the coach train as C&NW Alco RSD5 #1689 comes up alongside with the caboose train during the Illinois Railway Museum's annual Diesel Days event.

Rolling through Sandwich, Illinois on October 01, 1959 a westbound Burlington freight is propelled by a trio of Chinese Red high-nose SD24's on the point. Here U.S. Route 34 parallels the CB&Q m... (more)

UP 417 takes the lead on a freight getting ready to depart their Argo Yard in Seattle, WA and head to Portland. The second unit is a Cotton Belt SD45. SD24s were fairly common on UP's Seattle boun... (more)

BN 6254 is seen at BN's Harrison St. roundhouse in July 1973. This unit came to BN as CB&Q 514, built in May 1959. the unit was retired in July 1982. BN had perhaps the largest roster of SD7/SD9/S... (more)

UP was a kick to watch for locomotive fans in the 1970s. In addition to a variety of pool power, UP had the most diverse EMD offerings around. Here GP30 825 leads a trio of power on an engine trac... (more)

FRV 2401 holds the main while awaiting a crew change at CNW's Butler, WI yard in August of 1991. Only a handful of units were painted in FRV colors as this unremarked shortline, which operated the... (more)

A northbound Fox River Valley Railroad freight passes over the Fond du Lac River at Fond du Lac, Wisconsin, on March 25, 1990. The train has FRVR’s two former CB&Q/BN EMD SD24s and the lone form... (more)

Approaching Fond du Lac, Wisconsin, is a northbound Fox River Valley freight on May 13, 1990, powered by a trio of FRVR six-axle locomotives—former CB&Q/Burlington Northern EMD SD24 No. 2402, fo... (more)

With its work in Thurmont complete, Maryland Midland’s Highfield accelerates east toward Union Bridge.

Inside the gate, Maryland Midland’s Highfield turn drops two box cars at a building supply business in Thurmont, Maryland.

The Maryland Midland delivers two cars fresh from the CSX interchange at Highfield to a lumber yard in Thurmont, Maryland. I’m not sure of the ownership at the time of this photo, but the lumber... (more)

Maryland Midland’s Highfield turn crosses over Sabillasville Road and Owens Creek as it drops into Thurmont, Maryland.