Equipment unit · VIN-decoded · NHTSA vPIC

2024 Western Star 57X Chassis

3BHJBZDR3RDVH1821 · Truck-Tractor · TRUCK
Carriers run under1
21 mo
Inspections4
all-time
OOS inspections1
of 4
First seenSep 4, 2024
MA
Last seenJun 30, 2026
MA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
3BHJBZDR3RDVH1821
Make
Western Star
Model
57X Chassis
Model year
2024
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 12, 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
3BH

Deterministic · VIN positions 1–3.

Vehicle descriptor section
JBZDR

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

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
VH1821

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
WESTERN STAR

Prefix basis · 363 decoded VINs at 100.0% prefix purity.

Model
57X Chassis

Prefix basis · 363 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
WESTERN STAR

Observed directly for this VIN via NHTSA vPIC.

Observed model
57X Chassis

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Truck-Tractor

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRUCK

Observed directly for this VIN via NHTSA vPIC.

GVWR
Class 8: 33,001 lb and above (14,969 kg and above)

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 · Sep 4, 2024 – Jun 30, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 30, 2026MAII · Walk-around13OOSFIRST PETROLEUM MANAGEMENT LLC 25688221AF38P/MA
Jun 13, 2026MAIII · Driver-only4FIRST PETROLEUM MANAGEMENT LLC 25688221AF38P/MA
Sep 9, 2024MAIII · Driver-only3FIRST PETROLEUM MANAGEMENT LLC 25688221AF38P/MA
Sep 4, 2024MAII · Walk-around7FIRST PETROLEUM MANAGEMENT LLC 25688221AF38P/MA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FIRST PETROLEUM MANAGEMENT LLC2568822Sep 4, 2024Jun 30, 20264MA
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.
1AF38PMA1FIRST PETROLEUM MANAGEMENT LLCSep 4, 2024Jun 30, 20264
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 12, 2026