Union Pacific 3985 is a four-cylinder simple articulated 4-6-6-4 "Challenger"-type steam locomotive built in July 1943 by the American Locomotive Company (ALCO) of Schenectady, New York, for the Union Pacific Railroad. No. 3985 is one of only two Challengers still in existence and the only one to have operated in excursion service.

A westbound autorack train blasts around the curve on the NS line on the south side of Carrollton. Sept. 1998 - Wylie Tx. - NS (A&S) 3985 GE B23-7 Serial # 41994 Built 1/1979.

2024年12月20日 · An NSDash9.com detailed unit-by-unit roster of the currently active units in the Norfolk Southern GE AC4400CW 3968-3993 series.

Union Pacific (UP) #3985 was one of 105 4-6-6-4 Challenger type locomotives owned and operated UP. Classified as a 4664-4 by the railroad, the locomotive was built by the American Locomotive Company in July 1943 with builder’s number 70174. It was included in the second order of the second version of Union Pacific’s 4-6-6-4 locomotives.

Union Pacific Challenger No. 3985 was designed by Union Pacific and built in 1943 by the American Locomotive Company. It is one of 105 Challengers built for Union Pacific between 1936 and 1943 and was, for many years, the only operating engine of its class in the world – the largest and most powerful operating steam locomotive.

2025年2月25日 · Union Pacific 3985 is a 4-6-6-4 "Challenger"-type steam locomotive and the largest such locomotive still operating anywhere in the country. UP once owned more than one-hundred of these locomotives but today only two remain preserved. Interestingly, #3985 did not always remain on the railroad's roster.

Date 1/20/2024 Description NS 3985 (AC4400CW) passing through the Howell Wye, Atlanta, GA. Location Atlanta, GA Author

NS 3985 Date: 7/20/2000 Location: Macon, GA Map Views: 918 Collection Of: Joe Hill Locomotives: NS 3985 (B23-7) Author:Joe Hill Picture Categories: This picture is part of album: NS in Macon, GA pt. 2 Share User Comments

Union Pacific Railroad No. 3985, also known as 'The Challenger', is a 4664-4 class 4-6-6-4 "Challenger" type articulated steam locomotive built by the American Locomotive Company (ALCO) in July 1943. It was previously owned and operated by the Union Pacific Railroad (UP) in excursion service as...

Title: NS 3564 Description: A westbound autorack train blasts around the curve on the NS line on the south side of Carrollton.