Carrier profile · USDOT 590986 · Updated Jul 18, 2026
Wisconsin & Southern Railroad LLC
DBA WSOR
42 power unitsLocal · 1 statesMADISON, WI50/100
AUTHORITY STATUS UNKNOWNHAZMAT
Equipment
Haulable capacity (power units only — trailers are towed context), equipment mix, and the VIN-decoded unit roster. Click any VIN to trace that unit across every carrier that has run it.
Capacity· power units = haulable capacity; trailers are towed
- Registered power units (MCS-150)
- 42
- Observed power (24 mo)
- 2
- Trailers (towed)
- 1
Capacity is power units only — trailers are towed equipment and are never summed into a fleet-size figure.
Unit roster· VIN-decoded from inspections · NHTSA vPIC
| VIN | Type | Year | Make | Model | Insp. | Last seen |
|---|---|---|---|---|---|---|
| 1NPAL00X54D816251View sourced platform decode | Power unit | 2004 | PETERBILT | — | 2 | Feb 19, 2026 |
| 3C7WRNFL6RG255228View sourced platform decode | Power unit | 2024 | DODGE | — | 1 | Jul 22, 2025 |
| 4P5LD2524M1340491View sourced platform decode | Trailer | 2021 | PJ TRAILER | — | 1 | Jul 22, 2025 |
Showing 3 · most-inspected first.