Norfolk & Western Dynamometer Car #514780

Class Specifications

  • Length: 53 ft 4 in
  • Height: 12 ft 11 in
  • Width: 9 ft 8 in
  • Weight: 120,000 lbs
  • Pressure capacity: 1,000,000 pounds compression (buff or push) and 300,000 tension (pull)

# 514780

  • Manufactured by the N&W Roanoke Shops for N&W service
  • Cost $38,160
  • Donated to the Museum by the Norfolk & Western Railway Co.

Dynamometer Car Description

  • Manufacturer: Norfolk and Western
  • The dynamometer car carried equipment for measuring and recording drawbar pull, brake pipe pressure, and other data connected with locomotive operations and train haul conditions.
  • It was a most useful tool for locomotive design as calculations on the drawing board could be verified in road service.
  • Roadbed conditions, stations and topographical information were recorded by an operator stationed in a cupola. Information was recorded on a moving paper chart in ink.
  • Dynamometer capacity: 1,000,000 lbs
N&W Railway Dynamometer Car