Equipment unit · VIN-decoded · NHTSA vPIC

2022 Western Star 49X Chassis

5KJJBWD12NLNP6959 · Truck-Tractor · TRUCK
Carriers run under1
4 mo
Inspections6
all-time
OOS inspections1
of 6
First seenSep 10, 2025
NY
Last seenJan 20, 2026
CT
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
5KJJBWD12NLNP6959
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
2 · valid

Deterministic · position 9; calculated value 2.

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
NP6959

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.

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 10, 2025 – Jan 20, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 20, 2026CTII · Walk-around0—ROCK TECH INC 140148851583PF/NY
Nov 17, 2025NYII · Walk-around7—ROCK TECH INC 140148851583PF/NY
Nov 10, 2025NYIII · Driver-only8—ROCK TECH INC 140148851583PF/NY
Oct 6, 2025CTII · Walk-around1OOSROCK TECH INC 140148851583PF/NY
Oct 4, 2025CTII · Walk-around2—ROCK TECH INC 140148851583PF/NY
Sep 10, 2025NYII · Walk-around3—ROCK TECH INC 140148851583PF/NY
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ROCK TECH INC1401488Sep 10, 2025Jan 20, 20266NY
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.
51583PFNY—ROCK TECH INCSep 10, 2025 → Jan 20, 20266
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026