Carrier profile · USDOT 752310 · MC-610181 · Updated Jun 13, 2026
ROYCE D DUNCAN
DBA MID-SIERRA TOWING
7 power unitsavg 9 yrRegional · 3 statesAUBURN, CA100/100
CARRIER ACTIVEMC-610181 ACTIVEHAZMAT
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)
- 5
- Trailers (towed)
- 0
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
2020
Newest model yr
2016
Oldest model yr
80.0%
VINs decoded
Unit roster· VIN-decoded from inspections · NHTSA vPIC
| VIN | Type | Year | Make | Model | Insp. | Last seen |
|---|---|---|---|---|---|---|
| 1NPCL40X7HD368696 | Truck | 2017 | PETERBILT | 567 | 5 | Apr 28, 2026 |
| 5PVNJ8JN0G4S52152 | Incomplete | 2016 | HINO | Conventional Type Truck | 4 | Apr 29, 2026 |
| 5PVNJ8JN3L4S54066 | Truck | 2020 | HINO | Conventional Type Truck | 4 | Apr 29, 2026 |
| 1XPBDP9X9GD307688 | Truck-Tractor | 2016 | PETERBILT | 579 | 4 | Apr 28, 2026 |
| 5PVNJ8JN5G4S52275 | Power unit | 2016 | HINO | — | 1 | May 1, 2025 |
Showing 5 · most-inspected first.