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4/5/2025
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Home > Rolling Stock Home > AAR Types > R400
 AAR Rolling Stock Type: R400
AAR Class: RB: Bunkerless refrigerator car with or without ventilating devices and with or without device for attaching portable heaters. Constructed with insulation in side ends, floor and roof to meet maximum UA factor requirement of 250 BTU/F/Hour for 50 foot cars and 300 BTU/F/Hour for 60 foot cars. Effective for cars ordered new after March 1, 1984.
AAR Type: R400
Detail Info:   Refrigerator Cars, Inside Length: 49ft to 59ft, with cushion draft gear/underframe
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Reporting Mark  NameCount
ATSF Atchison Topeka & Santa Fe3
BAEX Andersons17
BCIT Canadian National Railways2
BN Burlington Northern5
BNSF BNSF Railway6
CGR CG Railway, Inc18
CNW Chicago & Northwestern9
CR Conrail2
CSX CSX Railroad151
DRGW Denver & Rio Grande Western18
GKLX Gold Kist1
IANR Iowa Northern Ry3
IC Illinois Central1
MNNR Minnesota Commercial3
MP Missouri Pacific32
MRS Manufacturers Railway13
MSRC Kansas City Southern1
NADX General Electric Rail Services1
NP Northern Pacific1
NYC New York Central10
SCL Seaboard Coast Line1
SFLC BNSF Railway27
SLSF Saint Louis-San Francisco2
SOO Soo Line3
SP Southern Pacific68
SSW St Louis Southwestern (Cotton Belt)39
STE Stockton Terminal and Eastern RR1
UP Union Pacific Railroad Company50
USLX General Electric Rail Services1
WP Western Pacific4
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