Equipment unit · VIN-decoded · NHTSA vPIC

2022 Western Star 49X Chassis

5KJJBWD16NLMR9416 · Truck-Tractor · TRUCK
Carriers run under2
25 mo
Inspections6
all-time
OOS inspections0
of 6
First seenOct 11, 2023
CT
Last seenNov 26, 2025
MA
Inspected under 2 different carriers in 25 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
5KJJBWD16NLMR9416
Make
Western Star
Model
49X Chassis
Model year
2022
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 28, 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
5KJ

Deterministic · VIN positions 1–3.

Vehicle descriptor section
JBWD1

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1992 or 2022

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

North American serial sequence
MR9416

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 · 377 decoded VINs at 97.9% prefix purity.

Model
49X Chassis

Prefix basis · 377 decoded VINs at 97.9% 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
2022

Observed directly for this VIN via NHTSA vPIC.

Observed make
WESTERN STAR

Observed directly for this VIN via NHTSA vPIC.

Observed model
49X 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 · Oct 11, 2023 – Nov 26, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 26, 2025MAI · Full9FSI OIL SERVICES INC 34138861AL44C/MA
Aug 27, 2025NYII · Walk-around0FSI PROPANE INC 163045975233/MA
Feb 27, 2024CTII · Walk-around1FSI PROPANE INC 163045975233/MA
Jan 11, 2024CTII · Walk-around3FSI PROPANE INC 163045975233/MA
Nov 9, 2023CTII · Walk-around2FSI PROPANE INC 163045975233/MA
Oct 11, 2023CTIII · Driver-only1FSI PROPANE INC 163045975233/MA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FSI OIL SERVICES INC3413886Nov 26, 2025Nov 26, 20251MA
FSI PROPANE INC1630459Oct 11, 2023Aug 27, 20255MA
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.
1AL44CMAFSI OIL SERVICES INCNov 26, 2025Nov 26, 20251
75233MAFSI PROPANE INCOct 11, 2023Aug 27, 20255
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026