Carrier profile · USDOT 20656 · Updated Jun 24, 2026
William F Sullivan & Co Inc
DBA WM F SULLIVAN CO INC
10 power unitsavg 8.3 yrRegional · 4 statesHOLYOKE, MA100/100
AUTHORITY STATUS UNKNOWN
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)
- 10
- Observed power (24 mo)
- 7
- Trailers (towed)
- 4
Capacity is power units only — trailers are towed equipment and are never summed into a fleet-size figure.
Fleet age· model years · decoded VINs
Average age
2024
Newest model yr
2005
Oldest model yr
36.4%
VINs decoded
Unit roster· VIN-decoded from inspections · NHTSA vPIC
| VIN | Type | Year | Make | Model | Insp. | Last seen |
|---|---|---|---|---|---|---|
| 5KKMAVDV6NPNM0712View sourced platform decode | Truck | 2022 | WESTERN STAR | 4700 | 6 | Feb 17, 2026 |
| 1M1AW07Y0FM048050View sourced platform decode | Truck-Tractor | 2015 | MACK | CXU (Pinnacle) | 3 | Nov 11, 2025 |
| 1M2AX13C39M009837View sourced platform decode | Truck | 2009 | MACK | GU (Granite) | 2 | Aug 3, 2026 |
| 1M2AX04C7BM010133View sourced platform decode | Power unit | 2011 | MACK | — | 2 | Mar 13, 2026 |
| 1B9C13224PB180227View sourced platform decode | Trailer | 2023 | OTHR | — | 2 | Sep 17, 2025 |
| 5MADN4020RC069531View sourced platform decode | Trailer | 2024 | MAC | — | 1 | Nov 11, 2025 |
| 3ALHGND12NDNM4193View sourced platform decode | Power unit | 2022 | FRHT | — | 1 | Jun 9, 2025 |
| 5MADN4023PC065387View sourced platform decode | Trailer | 2023 | MACA | — | 1 | Jun 9, 2025 |
| 5MADN4029PH064439View sourced platform decode | Trailer | 2023 | MACA | — | 1 | Apr 25, 2025 |
| 3ALXFBCG8JDJL6665View sourced platform decode | Incomplete - Glider | 2018 | FREIGHTLINER | Coronado | 1 | Apr 25, 2025 |
| 1M2AG11C95M020144View sourced platform decode | Power unit | 2005 | MACK | — | 1 | Oct 1, 2024 |
Showing 11 · most-inspected first.