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Sublettering Units owned/operated by Missouri Pacific subsidiary companies, after it was determined that all engines should wear the same uniform paint scheme and logos, were identified with sublettering beside the MoPac loco on the cab. By the 1970's, the only units being sublettered were T&P and C&EI's (C&EI units were the last to loose their own logo - a C&EI buzzsaw logo). JD "Tuch" Santucci, a former MP engineer, recounts spotting various T&P sublettered units well into the mid 70's until 1976 when both T&P and C&EI were fully merged into the MoPac. The C&EI and TP sublettering continued to a degree after the advent of the modern screaming eagles scheme. GP15-1's 1570-1574 were delivered new in 1976 with C&EI lettering instead of "mopac". For a time, GP7 #84 (2) was an oddball having a screaming eagle on the Fireman's side with C&EI lettering (instead of "mopac") and a C&EI buzzsaw on the Engineer's side. ÊIt was in the original Jenks blue paint at the time with the narrow chevrons on the ends and small road number on the top of the car body. (This unit was assigned to 26th Street Yard in Chicago Heights). This unit lost both logos when it was renumbered MP 1776 and repainted into bicentennial colors receiving MoPac buzzsaws in the process. There was at least one Geep, MP 1840, that wore the
Screaming Eagle with T&P sublettering instead of the traditional Mopac.
The small two digit number codes on the locomotive cab sides below the screaming eagle or buzzsaws were maintenance codes. Whenever the mechanical forces worked on a locomotive, they had to include this number on the card used for keeping track of materials, labor and costs. The accounting department reconciled costs with these codes. They also had codes for servicing foreign line units, L&N units used in captive service in the Chicago Terminal and also for Amtrak power. (Tuch) These numbers also indicated the Cooper rating for axle loads and bridge capacity. Old lines not up to main line status would have a lower Cooper rating thus the engines used on that line had to have a low enough "class" to be allowed on that line. (Robert /'Unitcoaltrains')
There was also that one Plymouth unit that was forever leased out, the 2401. It had code 20 It's not certain if the #4666-4669 (which were actually the test beds
for the B30 series units) had the same codes as the B23's or if they were
issued separate codes.
There is also a list of codes used for repair, inspections and the like that were used on the cards filled out by the mechanical forces. In addition to the unit number and maintenance code, they would fill in codes for different aspects of service, repair and inspection, listed below. 01-Inspection-Federal 12-Electrical Shop (No Little Rock) 02-Unidentified Cost-labor 13-Power Assembly Shop (NLR) 03-Unidentified Cost-Material 14-Air Brake Shop-Loco. (NLR) 05-Accident Repairs 16-Sheetmetal Shop (NLR) 06-Fire Damage Repairs 17-Engine Overhaul Shop (NLR) 07-Net Results from Rent, Joint 18-Air Compressor Shop (NLR) Facility and arrangements 19-Ft Worth Pool Diesel Material with other RR's 52-Leased Units to MoPac 08-Service Maintenance 88-L&N Units Repaired-Yard Center 09-Sales Surplus Diesel Material 93-Amtrak 10-Net Accrual, Traction Motors, 97- Lubricants-Locomotive Main Generators, Alternators 99-Diesel Radio Equipment
The B30's tended to work between Chicago and Kansas City, frequenting trains CKZ, CSK, SC and KC. When the St Louis Shops were still opened, the U23's, B23's and U30's were assigned there for maintenance. This power tended to also work in this corridor, although never cast in concrete. Back when there were still CSP and PSC trains, they tended to have U30's quite often. The GP50's were staples on some of the Chicago-Dallas or Fort Worth intermodal trains CFZ, CDZ, TAZ (later called AI and later AIZ when it was extended to Mexico), although the SD40 fleet also appeared here regularly too. The 50's might also be fairly common on the LCB and LCT trains between NLR and Yard Center. More often than not, the B30's showed up on CHZ and HCZ later resymboled RSP (meant trailers on flatcars or something to that effect in Spanish). (Tuch) |
Last update: 16 April, 2008sources: JD "Tuch" Santucci, MOPAC@yahoogroups.com
trainweb.us/screamingeagle l Last Update
to this page: 16 April, 2008
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