Carrier profile · USDOT 1254518 · MC-717829 · Updated Jun 13, 2026
4j Well Service Inc
7 power unitsavg 20.8 yrLocal · 1 statesBAKER, MT86/100
CARRIER ACTIVEMC-717829 ACTIVE
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)
- 7
- Observed power (24 mo)
- 4
- Trailers (towed)
- 2
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
2012
Newest model yr
2000
Oldest model yr
33.3%
VINs decoded
Unit roster· VIN-decoded from inspections · NHTSA vPIC
| VIN | Type | Year | Make | Model | Insp. | Last seen |
|---|---|---|---|---|---|---|
| 1XP5PBEX4YD525102View sourced platform decode | Truck-Tractor | 2000 | PETERBILT | 379 | 2 | Sep 24, 2025 |
| 1DA73C4744C016558View sourced platform decode | Trailer | 2004 | UNPUBLISHE | — | 1 | Sep 24, 2025 |
| 1NKDX4EX96J155917View sourced platform decode | Power unit | 2006 | KENWORTH | — | 1 | Jul 27, 2025 |
| 4595B1943C2257019View sourced platform decode | Power unit | 2012 | UNPUBLISHE | — | 1 | May 8, 2025 |
| 1PMA3523X51028627View sourced platform decode | Trailer | 2005 | POLAR TANK TRAILER | Polar Tank Trailer | 1 | Sep 12, 2024 |
| 1XP5DB9X84D811497View sourced platform decode | Power unit | 2004 | PETERBILT | — | 1 | Aug 26, 2024 |
Showing 6 · most-inspected first.