Equipment unit · VIN-decoded · NHTSA vPIC

2018 Western Star 4900

5KJNABD17JPJX3611 · Truck-Tractor · TRUCK
Carriers run under2
37 mo
Inspections128
all-time
OOS inspections6
of 128
First seenJun 21, 2023
NY
Last seenJul 27, 2026
IN
Inspected under 2 different carriers in 37 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
5KJNABD17JPJX3611
Make
Western Star
Model
4900
Model year
2018
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
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
5KJ

Deterministic · VIN positions 1–3.

Source · 49 CFR Part 565 ↗
Vehicle descriptor section
NABD1

Deterministic · VIN positions 4–8.

Source · 49 CFR Part 565 ↗
Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Source · 49 CFR Part 565 ↗
Model year candidates
1988 or 2018

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

Source · 49 CFR Part 565 ↗
North American serial sequence
JX3611

Deterministic · positions 12–17 for a North American WMI.

Source · 49 CFR Part 565 ↗

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 · 20 decoded VINs at 100.0% prefix purity.

Source · Vektor corpus / NHTSA vPIC ↗
Model
4900

Prefix basis · 20 decoded VINs at 100.0% prefix purity.

Source · Vektor corpus / NHTSA vPIC ↗
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
2018

Observed directly for this VIN via NHTSA vPIC.

Source · Vektor corpus / NHTSA vPIC ↗
Observed make
WESTERN STAR

Observed directly for this VIN via NHTSA vPIC.

Source · Vektor corpus / NHTSA vPIC ↗
Observed model
4900

Observed directly for this VIN via NHTSA vPIC.

Source · Vektor corpus / NHTSA vPIC ↗
Observed body class
Truck-Tractor

Observed directly for this VIN via NHTSA vPIC.

Source · Vektor corpus / NHTSA vPIC ↗
Observed vehicle type
TRUCK

Observed directly for this VIN via NHTSA vPIC.

Source · Vektor corpus / NHTSA vPIC ↗
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)

Observed directly for this VIN via NHTSA vPIC.

Source · Vektor corpus / 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 · Jun 21, 2023 – Jul 27, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 27, 2026INII · Walk-around3—SUPOR TRUCKING LLC 2837413AU491L/NJ
Jul 15, 2026NYII · Walk-around0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Jul 14, 2026NYI · Full0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Jul 10, 2026NYI · Full1—SUPOR TRUCKING LLC 2837413AU491L/NJ
Jul 8, 2026NYI · Full0—SUPOR TRUCKING LLC 2837413AU491L/NY
Jun 19, 2026NYI · Full1—SUPOR TRUCKING LLC 2837413AU491L/NJ
Jun 17, 2026NYI · Full0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Jun 11, 2026NYI · Full0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Jun 4, 2026NYI · Full0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Jun 2, 2026NYI · Full4—SUPOR TRUCKING LLC 2837413AU491L/NJ
May 27, 2026NYI · Full0—SUPOR TRUCKING LLC 2837413AU491L/NJ
May 20, 2026NYI · Full0—SUPOR TRUCKING LLC 2837413AU491L/NJ
May 12, 2026NYI · Full1—SUPOR TRUCKING LLC 2837413AU491L/NJ
May 8, 2026NYI · Full0—SUPOR TRUCKING LLC 2837413AU491L/NJ
May 6, 2026NYI · Full0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Apr 24, 2026PAI · Full5OOSSUPOR TRUCKING LLC 2837413AU491L/NJ
Apr 24, 2026PAI · Full5OOSSUPOR TRUCKING LLC 2837413AU491L/NJ
Nov 7, 2025NYI · Full1—SUPOR TRUCKING LLC 2837413AU491L/NJ
Nov 4, 2025NYII · Walk-around0—J SUPOR & SON TRUCKING & RIGGING CO INC 153358AU491L/NJ
Nov 3, 2025NYII · Walk-around0—J SUPOR & SON TRUCKING & RIGGING CO INC 153358AU491L/NJ
Oct 30, 2025NYI · Full0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Oct 28, 2025NYI · Full1—SUPOR TRUCKING LLC 2837413AU491L/NJ
Oct 24, 2025NYI · Full0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Oct 21, 2025NYII · Walk-around0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Oct 20, 2025NYII · Walk-around0—J SUPOR & SON TRUCKING & RIGGING CO INC 153358AU491L/NJ
Oct 17, 2025NYI · Full1—SUPOR TRUCKING LLC 2837413AU491L/NJ
Oct 14, 2025NYI · Full0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Oct 10, 2025NYI · Full1—SUPOR TRUCKING LLC 2837413AU491L/NJ
Oct 7, 2025NYII · Walk-around0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Oct 6, 2025NYII · Walk-around0—J SUPOR & SON TRUCKING & RIGGING CO INC 153358AU491L/NJ
Sep 11, 2025NYI · Full0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Sep 8, 2025NYI · Full0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Sep 3, 2025NYI · Full2—SUPOR TRUCKING LLC 2837413AU491L/NJ
Aug 10, 2025NYII · Walk-around0—J SUPOR & SON TRUCKING & RIGGING CO INC 153358AU491L/NJ
Aug 9, 2025NYII · Walk-around0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Aug 7, 2025NYI · Full0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Aug 1, 2025NYII · Walk-around0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Jul 30, 2025NYII · Walk-around0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Jul 29, 2025NYII · Walk-around0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Jul 28, 2025NYII · Walk-around0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Jul 26, 2025NYII · Walk-around0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Jul 24, 2025NYI · Full0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Jul 22, 2025NYI · Full4—SUPOR TRUCKING LLC 2837413AU491L/NJ
Jul 18, 2025NYII · Walk-around0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Jul 17, 2025NYII · Walk-around0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Jul 16, 2025NYII · Walk-around0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Jul 15, 2025NYII · Walk-around0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Jul 14, 2025NYII · Walk-around0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Jul 10, 2025NYI · Full0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Jul 8, 2025NYI · Full0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Jul 2, 2025NYI · Full2—SUPOR TRUCKING LLC 2837413AU491L/NJ
Jun 30, 2025NYI · Full0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Jun 24, 2025NYII · Walk-around0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Jun 23, 2025NYII · Walk-around0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Jun 22, 2025NYII · Walk-around0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Jun 19, 2025NYI · Full0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Jun 17, 2025NYI · Full0—SUPOR TRUCKING LLC 2837413AU491L/NY
Jun 12, 2025NYI · Full1—SUPOR TRUCKING LLC 2837413AU491L/NJ
Jun 10, 2025NYII · Walk-around0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Jun 9, 2025NYII · Walk-around0—J SUPOR & SON TRUCKING & RIGGING CO INC 153358AU491L/NJ
Jun 3, 2025NYI · Full1—SUPOR TRUCKING LLC 2837413AU491L/NJ
May 28, 2025NYI · Full3—SUPOR TRUCKING LLC 2837413AU491L/NJ
May 21, 2025NYII · Walk-around0—SUPOR TRUCKING LLC 2837413AU491L/NJ
May 20, 2025NYII · Walk-around0—SUPOR TRUCKING LLC 2837413AU491L/NJ
May 15, 2025NYI · Full4—SUPOR TRUCKING LLC 2837413AU491L/NJ
May 13, 2025NYI · Full2—SUPOR TRUCKING LLC 2837413AU491L/NJ
May 9, 2025NYI · Full1—SUPOR TRUCKING LLC 2837413AU491L/NJ
May 7, 2025NYI · Full0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Apr 29, 2025NYII · Walk-around0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Apr 28, 2025NYII · Walk-around0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Apr 24, 2025NYI · Full0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Apr 22, 2025NYI · Full2—SUPOR TRUCKING LLC 2837413AU491L/NJ
Apr 16, 2025NYI · Full1—SUPOR TRUCKING LLC 2837413AU491L/NJ
Apr 11, 2025NYI · Full1—SUPOR TRUCKING LLC 2837413AU491L/NJ
Apr 9, 2025NYI · Full0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Mar 25, 2025NYI · Full2—SUPOR TRUCKING LLC 2837413AU491L/NJ
Mar 18, 2025NYI · Full1OOSSUPOR TRUCKING LLC 2837413AU491L/NJ
Feb 24, 2025NYII · Walk-around0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Oct 16, 2024NYII · Walk-around0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Oct 15, 2024NYII · Walk-around0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Oct 14, 2024NYII · Walk-around0—J SUPOR & SON TRUCKING & RIGGING CO INC 153358AU491L/NJ
Oct 9, 2024NYI · Full0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Oct 2, 2024NYII · Walk-around0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Sep 30, 2024NYII · Walk-around0—J SUPOR & SON TRUCKING & RIGGING CO INC 153358AU491L/NJ
Sep 21, 2024NYII · Walk-around0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Sep 19, 2024NYI · Full2OOSSUPOR TRUCKING LLC 2837413AU491L/NJ
Sep 17, 2024NYI · Full0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Sep 12, 2024NYII · Walk-around0—J SUPOR & SON TRUCKING & RIGGING CO INC 153358AU491L/NJ
Sep 11, 2024NYI · Full2—SUPOR TRUCKING LLC 2837413AU491L/NJ
Sep 8, 2024NYII · Walk-around0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Sep 7, 2024NYII · Walk-around0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Sep 5, 2024NYI · Full1OOSSUPOR TRUCKING LLC 2837413AU491L/NJ
Sep 3, 2024NYI · Full0—J SUPOR & SON TRUCKING & RIGGING CO INC 153358AU491L/NJ
Aug 28, 2024NYII · Walk-around0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Aug 27, 2024NYII · Walk-around0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Aug 26, 2024NYII · Walk-around0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Aug 25, 2024NYII · Walk-around0—SUPOR TRUCKING LLC 2837413AU491L/NJ
Aug 22, 2024NYI · Full1—SUPOR TRUCKING LLC 2837413AU491L/NJ
Aug 14, 2024NYII · Walk-around0—J SUPOR & SON TRUCKING & RIGGING CO INC 153358AU491L/NJ
Aug 13, 2024NYII · Walk-around0—J SUPOR & SON TRUCKING & RIGGING CO INC 153358AU491U/NJ
Showing the 100 most recent of 128 inspections.
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SUPOR TRUCKING LLC2837413Jun 21, 2023Jul 27, 2026109NJ
J SUPOR & SON TRUCKING & RIGGING CO INC153358May 30, 2024Nov 4, 202519NJ
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.
AU491LNJ1SUPOR TRUCKING LLCJun 21, 2023 → Jul 27, 2026104
AU491LNY1SUPOR TRUCKING LLCMay 22, 2024 → Jul 8, 20263
AU491LNJ—J SUPOR & SON TRUCKING & RIGGING CO INCMay 30, 2024 → Nov 4, 202518
AU491UNJ—J SUPOR & SON TRUCKING & RIGGING CO INCAug 13, 2024 → Aug 13, 20241
AU419LNJ—SUPOR TRUCKING LLCMar 12, 2024 → Aug 12, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026