SPMW equipment
The SP traditionally used older revenue equipment in Maintenane of Way service. These cars were usually painted a special color to distinguish them from revenue cars. An MW was added to the beginning of the number, but it always appeared as though the reporting marks were SPMW, or SSWMW or TNOMW or NWPMW which all existed over the years. These distinctive cars were scattered throughout the SP system and could provide the opportunity to see cars of classes that were no longer running in revenue service.
Also see Richard Percy's SPMW pages as follows:

Photo by: Bob Dengler
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Bob Allessi |
Box Car B-70-13 |
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John Rodgers |
Box Car B-70-13 |
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John Rodgers |
Box Car |
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John Rodgers |
Box Car |
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John Rodgers |
Box Car |
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John Rodgers |
Box Car |
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Rob Sarberenyi |
Box Car |
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Eric Dillinger |
Scale Test Car |
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Matthew Bushong |
Box Car |
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Jeff Guidry |
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Jeff Guidry |
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Jeff Guidry |
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Bob Dengler |
Jordan Spreader |
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Bob Dengler |
Jordan Spreader |
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Jeff Guidry |
100 ton Ballast Hopper |
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Jeff Guidry |
Pile Driver Tender |
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Jeff Guidry |
Pile Driver Tender |
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Jeff Guidry |
Pile Driver Tender |
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Jeff Guidry |
Pile Driver Tender |
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Jeff Guidry |
Pile Driver Tender |
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Rob Sarberenyi |
MW Flat |
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Eric Dillinger |
Crane Tender |
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Rob Sarberenyi |
MW Flat |
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Clyde King |
Air Dump Car |
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Clyde King |
Air Dump Car |
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Bob Dengler |
Water Car |
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Jeff Guidry |
F-70-12 wheel flat |
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Jeff Guidry |
F-70-12 wheel flat |
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Jeff Guidry |
F-70-12 wheel flat |
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Jeff Guidry |
F-70-12 wheel flat |
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Jeff Guidry |
F-70-12 wheel flat |
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Bob Dengler |
50' Flat |
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Lee A. Gautreaux |
Loco Crane (UP paint) |
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Lee A. Gautreaux |
Loco Crane (UP paint) |
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Lee A. Gautreaux |
Loco Crane (UP paint) |
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Lee A. Gautreaux |
Loco Crane - boom chart (UP paint) |
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Lee A. Gautreaux |
Loco Crane - boom chart (UP paint) |
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Lee A. Gautreaux |
Loco Crane - boom tip (UP paint) |
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Lee A. Gautreaux |
Loco Crane - rear (UP paint) |
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Lee A. Gautreaux |
Loco Crane - rear (UP paint) |
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Rob Sarberenyi |
Water Tank |
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Clyde King |
Wheel Flat |
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Tom Fassett |
Locomotive Crane |
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Lee A. Gautreaux |
Flat w/ wheels |
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Gilbert Leibfritz |
Flat w/ wheels |
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Rob Sarberenyi |
Boom Idler Flat |
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Bob Dengler |
40' Flat |
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Tom Cobb |
Lafayette Division Fire Car |
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Bob Dengler |
Water Car |
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Lee A. Gautreaux |
Loco Crane |
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John Rodgers |
Box Car |
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John Rodgers |
Box Car |
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John Rodgers |
Box Car |
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John Rodgers |
Box Car |
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Bob Dengler |
Tank |
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Bob Dengler |
Tank |
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Bob Dengler |
Tank |
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Bob Dengler |
Tank |
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Lee A. Gautreaux |
Tank |
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Tom Cobb |
O-50-13 Tank |
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John Rodgers |
Box Car |
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Bob Dengler |
50' Flat (from Box?) |
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Rob Sarberenyi |
Boom Car |
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Bob Dengler |
Steam Derrick |
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Bob Dengler |
Steam Derrick |
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Rob Sarberenyi |
250 ton Steam Derrick |
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Rob Sarberenyi |
Panel Track Flat |
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Eric Dillinger |
Ballast Hopper |
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Eric Dillinger |
Ballast Hopper |
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Eric Dillinger |
Ballast Hopper |
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Rob Sarberenyi |
Ballast Hopper |
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Gilbert Leibfritz |
Ballast Hopper |
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Gilbert Leibfritz |
Ballast Hopper |
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Gilbert Leibfritz |
Ballast Hopper |
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Eric Dillinger |
Locomotive Crane |
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Rob Sarberenyi |
MW Flat |
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Rob Sarberenyi |
Crane |
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John Rodgers |
Box Car |