The Progress Rail PR43C was a 4,300 hp (3,210 kW) C-C genset diesel-electric locomotive built by Progress Rail Services Corporation. It was the result of a conversion of existing EMD SD50 locomotives.

3 of NS'S PR43C's are in charge of today's NS Southbound Local Freight Train A50 ( Birmingham to Attalla, Al. Turn ) as they pass through Control Point Watts Jct. in Irondale, Al. with 98 cars from Attalla, Al. for Norris Yard

The Progress Rail PR43C is a 4,300 hp diesel locomotive built by Progress Rail Services. It is the result of a conversion of existing EMD SD50 and SD60 locomotives. This involves replacing the original EMD 645 or 710 prime mover with a pair of Caterpillar engines, a 3,600 hp …

NS Northbound Local Freight Train AB47 passing through 41st Street in Birmingham, AL. Title: A21 w/ PR43-C 4003 crossing the Cahaba Description: Running in the last light of day.

After weeks of bad weather and the units sitting under the Research Sheds downtown, the NS Research Dept has begun testing of the new Progress Rail PR43C's. Units are CAT powered and sounds pretty wild under load, unlike anything I've heard before.

2025年3月21日 · What Caterpillar diesel is in the rebuilt SD-50 "PR43C" locomotives for NS? I've seen references to the new C175-16, but also to the C280-12, which was an update on the 3612? In addition, there are the mysterious SD-40 rebuilds for UP, which have been quoted at 3,005 hp, and as having a 3516 variant, although the precise designation is a mystery?

PR43C Benefits • Unique Dual Caterpillar Engine Configuration 4300 bhp total • Environmentally Friendly – Rebuilt from Older Locomotive Core • Maximized Fuel Savings • Extended Engine Overhaul Life • EPA Tier 2, Tier 3 Compliant – with Provision for Exhaust Aftertreatment Dimensions and Performance

The PR43C is built by Progress Rail with a C17 & C175 Caterpillar Engine combining for 4,300 Horsepower. NS Southbound Local Freight Train A21 ( Birmingham to Wilton, Al. ) passing through 14th Street Interlocking in Birmingham, Al. with a pair of PR43Cs for power.

back main next >>>: Model Number Heritage Number Notes; PR43C: NS 4000: UP: 9881: PR43C: NS 4001: NS: 6509: PR43C

NS Northbound Freight Train pulling into NS's Norris Yard in Irondale, AL.