Equipment unit · VIN-decoded · NHTSA vPIC

2021 Freightliner B2 Bus Chassis

4UZABRFC5MCMP6314 · Incomplete - School Bus Chassis · INCOMPLETE VEHICLE
Carriers run under1
30 mo
Inspections16
all-time
OOS inspections0
of 16
First seenOct 24, 2023
SC
Last seenApr 8, 2026
SC
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
4UZABRFC5MCMP6314
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 14, 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
5 · valid

Deterministic · position 9; calculated value 5.

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
MP6314

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 · Oct 24, 2023 – Apr 8, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 8, 2026SCV · Vehicle-only0FIRST STUDENT INC 354406BC7923/SC
Apr 7, 2026SCV · Vehicle-only0FIRST STUDENT INC 354406BC7923/SC
Jan 22, 2026SCI · Full0FIRST STUDENT INC 354406BC7923/SC
Jan 21, 2026SCV · Vehicle-only0FIRST STUDENT INC 354406BC7923/SC
Dec 10, 2025SCI · Full0FIRST STUDENT INC 354406BC7923/SC
Dec 4, 2025SCI · Full0FIRST STUDENT INC 354406BC7923/SC
Dec 3, 2025SCI · Full0FIRST STUDENT INC 354406BC7923/SC
Sep 24, 2025SCV · Vehicle-only0FIRST STUDENT INC 354406BC7923/SC
May 27, 2025SCI · Full0FIRST STUDENT INC 354406BC7923CC/SC
May 21, 2025SCV · Vehicle-only0FIRST STUDENT INC 354406BC7923/SC
Apr 29, 2025SCV · Vehicle-only0FIRST STUDENT INC 354406BC7923/SC
Apr 24, 2025SCI · Full0FIRST STUDENT INC 354406BC7923CC/SC
Jul 17, 2024SCI · Full0FIRST STUDENT INC 354406BC7923/SC
Jul 16, 2024SCI · Full0FIRST STUDENT INC 354406BC7923/SC
Jun 5, 2024SCI · Full0FIRST STUDENT INC 354406BC7923/SC
Oct 24, 2023SCI · Full0FIRST STUDENT INC 354406BC7923/SC
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FIRST STUDENT INC354406Oct 24, 2023Apr 8, 202616OH
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.
BC7923SCFIRST STUDENT INCOct 24, 2023Apr 8, 202614
BC7923CCSCFIRST STUDENT INCApr 24, 2025May 27, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026