VIN 4UZAEXG49PCUB4921 — 2023 THMS B2 106 Electric Conventional Chassis
Recorded with Grossmont Union High School District · USDOT 2654138
Vehicle identity
| VIN | 4UZAEXG49PCUB4921 |
| Model year | 2023 |
| Make | THMS |
| Model | B2 106 Electric Conventional Chassis |
| Vehicle type | SCHOOL BUS |
| License plate | CA 1637429 (California) |
| Inspection window | 2025-01-15 to 2025-12-17 |
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 |
|---|---|---|---|
| 2025-12-17 | 4UZAEXG49PCUB4921 | CA 1637429 | GROSSMONT UNION HIGH SCHOOL DISTRICT · USDOT 2654138 |
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
Grossmont Union High School District Active
- USDOT
- 2654138
- MC
- —
- Status
- Active
- Type
- Motor Carrier
- Based in
- El Cajon, CA
- Power units
- 77
- Drivers
- 68
- Inspections (24 mo)
- 180
- Crashes (24 mo)
- 0
- Vehicle OOS rate
- 1.7%
Carrier recorded at the latest inspection in the available records (2025-12-17). 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
4UZAEXG49PCUB4921 is a 2023 THMS B2 106 Electric Conventional Chassis operated by Grossmont Union High School District (USDOT 2654138). License plate on its inspection records: CA 1637429. 2 roadside inspections 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
2023 THMS B2 106 Electric Conventional Chassis is the vehicle NHTSA’s VIN registry returns for 4UZAEXG49PCUB4921. It is a incomplete - chassis cab (single cab) built by FREIGHTLINER CUSTOM CHASSIS CORP. at the GAFFNEY, SOUTH CAROLINA plant. Powertrain: Proterra Electric engine, running on electric. Its gross vehicle weight rating (Class 7: 26,001 - 33,000 lb (11,794 - 14,969 kg)) places it in Class 7 heavy-duty (26,001–33,000 lb) — large straight trucks, often requiring a CDL.
Roadside inspection & out-of-service record
This specific vehicle appears in 2 FMCSA roadside inspections between 2025-01-15 and 2025-12-17. Across those inspections it was never placed out of service. Its most recent inspection (2025-12-17) was in California, a Level V — vehicle-only inspection without the driver present. No violations were recorded against this vehicle in our inspection window.
Operator history
Operated by Grossmont Union High School District (USDOT 2654138) from 2025-01-15 to 2025-12-17 — 2 inspections, none out of service.
Full spec sheet (NHTSA vPIC decode)
| Make | FREIGHTLINER |
| Model | B2 106 Electric Conventional Chassis |
| Model Year | 2023 |
| Series | Custom Chassis |
| Vehicle Type | INCOMPLETE VEHICLE NHTSA’s top-level vehicle category derived from the VIN. |
| Body Class | Incomplete - Chassis Cab (Single Cab) The body style NHTSA assigns from the VIN — e.g. truck-tractor, straight truck, or cutaway. |
| G V W R | Class 7: 26,001 - 33,000 lb (11,794 - 14,969 kg) Class 7 heavy-duty (26,001–33,000 lb) — large straight trucks, often requiring a CDL |
| Manufacturer | FREIGHTLINER CUSTOM CHASSIS CORP. The legal manufacturer of record in NHTSA’s database. |
| Plant City | GAFFNEY Where the chassis was assembled — useful for verifying the VIN against the build record. |
| Plant State | SOUTH CAROLINA |
| Plant Country | UNITED STATES (USA) |
| Engine Model | Proterra Electric The engine family installed at the factory — a major driver of resale value and parts availability. |
| Fuel Type Primary | Electric Primary fuel — diesel dominates heavy trucking; CNG/electric change maintenance and range. |
| Brake System Type | Air Air vs hydraulic brakes — air brakes are standard on heavy trucks and require an endorsement. |
| Drive Type | 4x2 Axle drive configuration (e.g. 6x4), which affects traction and fuel economy. |
Operator & inspection history
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