VIN 591SD3822JR156646 — 2018 ST Dragon ESP
Recorded with Sierra Mountain Construction Inc · USDOT 1475508
Vehicle identity
| VIN | 591SD3822JR156646 |
| Model year | 2018 |
| Make | ST |
| Model | Dragon ESP |
| Vehicle type | SEMI-TRAILER |
| License plate | CA 4SB1943 (California) |
| Last inspected | 2026-08-13 |
Recorded vehicle, plate and carrier history
These are dated observations in the records available to us. They do not establish ownership, a sale, a transfer date, or continuous use between observations. The latest observation may not describe today’s vehicle or carrier.
| Observed dates | VIN | Plate | Reported carrier |
|---|---|---|---|
| 2026-08-13 | 591SD3822JR156646 | CA 4SB1943 | SIERRA MOUNTAIN CONSTRUCTION INC · USDOT 1475508 |
Evidence: FMCSA inspection observations and retained snapshots of our vehicle records. Coverage is incomplete; an unreported change cannot be dated from these records.
Most recently recorded carrier for this vehicle
Sierra Mountain Construction Inc Active
- USDOT
- 1475508
- MC
- 556972
- Status
- Active
- Type
- Motor Carrier
- Based in
- Sonora, CA
- Power units
- 16
- Drivers
- 16
- Inspections (24 mo)
- 4
- Crashes (24 mo)
- 1
- Vehicle OOS rate
- 33.3%
Carrier recorded at the latest inspection in the available records (2026-08-13). This does not establish current ownership or confirm that the carrier still operates this vehicle.
View full carrier profile →Authority, insurance & bonds, safety scores, crash history, inspections and the full fleet list.What this means
591SD3822JR156646 is a 2018 ST Dragon ESP operated by Sierra Mountain Construction Inc (USDOT 1475508). License plate on its inspection records: CA 4SB1943. 1 roadside inspection on FMCSA record. No out-of-service violations are recorded for this VIN in the available inspection records. Other violations may still be present.
What this VIN is
2018 ST Dragon ESP is the vehicle NHTSA’s VIN registry returns for 591SD3822JR156646. It is a trailer built by DRAGON ESP, LTD at the LAMAR, COLORADO plant.
Roadside inspection & out-of-service record
This specific vehicle appears in 1 FMCSA roadside inspection (most recent activity 2026-08-13). Across those inspections it was never placed out of service. Its most recent inspection (2026-08-13) was in California, a Level II — walk-around inspection of the driver and the vehicle. No violations were recorded against this vehicle in our inspection window.
Operator history
Operated by Sierra Mountain Construction Inc (USDOT 1475508) on 2026-08-13 — 1 inspection, none out of service.
Full spec sheet (NHTSA vPIC decode)
| Make | DRAGON ESP |
| Model | Dragon ESP |
| Model Year | 2018 |
| Vehicle Type | TRAILER NHTSA’s top-level vehicle category derived from the VIN. |
| Body Class | Trailer The body style NHTSA assigns from the VIN — e.g. truck-tractor, straight truck, or cutaway. |
| Manufacturer | DRAGON ESP, LTD The legal manufacturer of record in NHTSA’s database. |
| Plant City | LAMAR Where the chassis was assembled — useful for verifying the VIN against the build record. |
| Plant State | COLORADO |
| Plant Country | UNITED STATES (USA) |
| Axles | 2 Number of axles — ties directly to weight limits and toll/registration class. |
Operator & inspection history
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Frequently Asked Questions
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