Equipment unit · VIN-decoded · NHTSA vPIC

2024 Freightliner B2 Bus Chassis

4UZABRFCXRCUM5938 · Incomplete - School Bus Chassis · INCOMPLETE VEHICLE
Carriers run under2
35 mo
Inspections6
all-time
OOS inspections0
of 6
First seenAug 9, 2023
CA
Last seenJul 22, 2026
CA
Inspected under 2 different carriers in 35 months
A unit that bounces between many operators can indicate slip-seating, heavy sub-haul, or double-brokering. Review the carrier timeline below for load integrity — context for human judgment, not a verdict.
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
4UZABRFCXRCUM5938
Make
Freightliner
Model
B2 Bus Chassis
Model year
2024
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
Jul 4, 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
1994 or 2024

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

North American serial sequence
UM5938

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
2024

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 · Aug 9, 2023 – Jul 22, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 22, 2026CAV · Vehicle-only0SALINAS UNION HIGH SCHOOL DISTRICT 27322081650502/CA
Dec 10, 2025CAV · Vehicle-only0SALINAS UNION HIGH SCHOOL DISTRICT 27322081650502/CA
Jul 9, 2025CAV · Vehicle-only0SALINAS UNION HIGH SCHOOL DISTRICT 27322081650502/CA
Aug 27, 2024CAV · Vehicle-only0KERN HIGH SCHOOL DISTRICT 28089341650507/CA
Aug 14, 2024CAV · Vehicle-only0SALINAS UNION HIGH SCHOOL DISTRICT 27322081650507/CA
Aug 9, 2023CAV · Vehicle-only0SALINAS UNION HIGH SCHOOL DISTRICT 2732208
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SALINAS UNION HIGH SCHOOL DISTRICT2732208Aug 9, 2023Jul 22, 20265CA
KERN HIGH SCHOOL DISTRICT2808934Aug 27, 2024Aug 27, 20241CA
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.
1650502CA1SALINAS UNION HIGH SCHOOL DISTRICTJul 9, 2025Jul 22, 20263
1650507CAKERN HIGH SCHOOL DISTRICTAug 27, 2024Aug 27, 20241
1650507CASALINAS UNION HIGH SCHOOL DISTRICTAug 14, 2024Aug 14, 20241
CASALINAS UNION HIGH SCHOOL DISTRICTAug 9, 2023Aug 9, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 4, 2026