Carrier profile · USDOT 49481 · MC-283521 · Updated Jun 13, 2026
Helfrich Brothers Boiler Works Inc
3 power unitsLocal · 2 statesLAWRENCE, MA50/100
CARRIER ACTIVEMC-283521 ACTIVERATED SATISFACTORY
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)
- 3
- Observed power (24 mo)
- 2
- Trailers (towed)
- 0
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 |
|---|---|---|---|---|---|---|
| 1FDWF6DX1HDB06007View sourced platform decode | Power unit | 2017 | FORD | — | 1 | Aug 23, 2024 |
| 4V5KC9GHX6N413121View sourced platform decode | Power unit | 2006 | VOLV | — | 1 | Aug 22, 2024 |
Showing 2 · most-inspected first.