VIN 49G400M2XL1000084 — 2020 POLYJ Technical Mobile Structures, Inc.
Recorded with Diamond Environmental Services Lp · USDOT 1811463
Vehicle identity
| VIN | 49G400M2XL1000084 |
| Model year | 2020 |
| Make | POLYJ |
| Model | Technical Mobile Structures, Inc. |
| Vehicle type | SEMI-TRAILER |
| License plate | CA 4AT4652 (California) |
| Last inspected | 2026-06-18 |
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 |
|---|---|---|---|
| 2026-06-18 | 49G400M2XL1000084 | CA 4AT4652 | DIAMOND ENVIRONMENTAL SERVICES LP · USDOT 1811463 |
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
Diamond Environmental Services Lp Active
- USDOT
- 1811463
- MC
- —
- Status
- Active
- Type
- Motor Carrier
- Based in
- San Marcos, CA
- Power units
- 319
- Drivers
- 223
- Inspections (24 mo)
- 58
- Crashes (24 mo)
- 3
- Vehicle OOS rate
- 22.2%
Carrier recorded at the latest inspection in the available records (2026-06-18). 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
49G400M2XL1000084 is a 2020 POLYJ Technical Mobile Structures, Inc. operated by Diamond Environmental Services Lp (USDOT 1811463). License plate on its inspection records: CA 4AT4652. 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
2020 POLYJ Technical Mobile Structures, Inc. is the vehicle NHTSA’s VIN registry returns for 49G400M2XL1000084. It is a trailer built by POLY-JOHN INTERNATIONAL CORP., TRAILER DIVISION at the ROCHESTER, INDIANA plant. Powertrain: running on not applicable, paired with a not applicable transmission.
Roadside inspection & out-of-service record
This specific vehicle appears in 1 FMCSA roadside inspection (most recent activity 2026-06-18). Across those inspections it was never placed out of service. Its most recent inspection (2026-06-18) was in California, a Level I — full inspection of the driver and the vehicle. No violations were recorded against this vehicle in our inspection window.
Operator history
Operated by Diamond Environmental Services Lp (USDOT 1811463) on 2026-06-18 — 1 inspection, none out of service.
Full spec sheet (NHTSA vPIC decode)
| Make | TECHNICAL MOBILE STRUCTURES, INC. |
| Model | Technical Mobile Structures, Inc. |
| Model Year | 2020 |
| 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 | POLY-JOHN INTERNATIONAL CORP., TRAILER DIVISION The legal manufacturer of record in NHTSA’s database. |
| Plant City | ROCHESTER Where the chassis was assembled — useful for verifying the VIN against the build record. |
| Plant State | INDIANA |
| 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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