Equipment unit · VIN-decoded · NHTSA vPIC

2021 Freightliner B2 Bus Chassis

4UZABRFCXMCMP6275 · Incomplete - School Bus Chassis · INCOMPLETE VEHICLE
Carriers run under1
34 mo
Inspections10
all-time
OOS inspections0
of 10
First seenJun 29, 2023
SC
Last seenApr 8, 2026
SC
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
4UZABRFCXMCMP6275
Make
Freightliner
Model
B2 Bus Chassis
Model year
2021
Body class
Incomplete - School Bus Chassis
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 7: 26,001 - 33,000 lb (11,794 - 14,969 kg)
Decoded at
Jun 18, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
Decode evidence & sources

Deterministic structure

These fields come directly from VIN positions and the published checksum calculation, with zero store IO.

World manufacturer identifier
4UZ

Deterministic · VIN positions 1–3.

Vehicle descriptor section
ABRFC

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1991 or 2021

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
MP6275

Deterministic · positions 12–17 for a North American WMI.

Sourced platform inference

The prefix store publishes only at support ≥ 3 and purity ≥ 90%. Prefix confidence is shown beside every established platform claim.

Make
FREIGHTLINER

Prefix basis · 465 decoded VINs at 100.0% prefix purity.

Model
B2 Bus Chassis

Prefix basis · 465 decoded VINs at 100.0% prefix purity.

Model line
Not established

No sourced model-line label is established.

No source established for this field.

Generation
Not established

No sourced generation label is established.

No source established for this field.

Cab type
Not established

No sourced cab label is established.

No source established for this field.

Federal observation (NHTSA vPIC)

What the federal corpus observed directly for this exact VIN — independent of, and sometimes more specific than, the prefix-level inference above.

Observed model year
2021

Observed directly for this VIN via NHTSA vPIC.

Observed make
FREIGHTLINER

Observed directly for this VIN via NHTSA vPIC.

Observed model
B2 Bus Chassis

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Incomplete - School Bus Chassis

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
INCOMPLETE VEHICLE

Observed directly for this VIN via NHTSA vPIC.

GVWR
Class 7: 26,001 - 33,000 lb (11,794 - 14,969 kg)

Observed directly for this VIN via NHTSA vPIC.

Not established

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jun 29, 2023 – Apr 8, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 8, 2026SCV · Vehicle-only0FIRST STUDENT INC 354406BC7970/SC
Apr 7, 2026SCV · Vehicle-only0FIRST STUDENT INC 354406BC7940/SC
Jan 20, 2026SCV · Vehicle-only0FIRST STUDENT INC 354406BC7970CC/SC
May 27, 2025SCI · Full0FIRST STUDENT INC 354406BC7970/SC
Apr 29, 2025SCI · Full0FIRST STUDENT INC 354406BC7970/SC
Sep 26, 2024SCI · Full0FIRST STUDENT INC 354406BC7970/SC
Aug 22, 2024SCI · Full0FIRST STUDENT INC 354406BC7970/SC
Jul 16, 2024SCV · Vehicle-only0FIRST STUDENT INC 354406BC7970/SC
Jun 12, 2024SCV · Vehicle-only0FIRST STUDENT INC 354406BC7970/SC
Jun 29, 2023SCI · Full0FIRST STUDENT INC 354406BC7970/SC
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FIRST STUDENT INC354406Jun 29, 2023Apr 8, 202610OH
Names are left-joined from the FMCSA census; a DOT with no census match falls back to its number.
04

Plate & unit-number history

The same truck under different plate registrations across carriers

PlateState / prov.Unit no.CarrierDate rangeInsp.
BC7970SCFIRST STUDENT INCJun 29, 2023Apr 8, 20268
BC7940SCFIRST STUDENT INCApr 7, 2026Apr 7, 20261
BC7970CCSCFIRST STUDENT INCJan 20, 2026Jan 20, 20261
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 18, 2026