Equipment unit · VIN-decoded · NHTSA vPIC

2018 Western Star 5700

5KJNBHD17JLJX5561 · Truck-Tractor · TRUCK
Sleeper
Carriers run under2
37 mo
Inspections19
all-time
OOS inspections7
of 19
First seenJun 29, 2023
IL
Last seenJul 29, 2026
MD
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
5KJNBHD17JLJX5561
Make
Western Star
Model
5700
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.

Vehicle descriptor section
NBHD1

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1988 or 2018

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

North American serial sequence
JX5561

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 · 3 decoded VINs at 100.0% prefix purity.

Model
5700

Prefix basis · 3 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
Sleeper

Sourced label · prefix basis 3 decoded VINs at 100.0% prefix purity.

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.

Observed make
WESTERN STAR

Observed directly for this VIN via NHTSA vPIC.

Observed model
5700

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

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jun 29, 2023 – Jul 29, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 29, 2026MDII · Walk-around7OOSMAVERICK OILFIELD SERVICES LLC 3798212A27881/WY
Jun 12, 2026OHIII · Driver-only0MAVERICK OILFIELD SERVICES LLC 3798212A27881/WY
May 15, 2026IAII · Walk-around9OOSMAVERICK OILFIELD SERVICES LLC 3798212A27881/WY
May 12, 2026MIII · Walk-around3OOSMAVERICK OILFIELD SERVICES LLC 3798212A27881/WY
Apr 16, 2026MDII · Walk-around3MAVERICK OILFIELD SERVICES LLC 3798212A27881/WY
Dec 19, 2025NEIII · Driver-only1MAVERICK OILFIELD SERVICES LLC 3798212A27881/WY
Sep 2, 2025OKIII · Driver-only0HEISS TRUCKING LLC 1380166A17695/WY
Jul 24, 2025WVIII · Driver-only1HEISS TRUCKING LLC 1380166A17695/WY
Apr 19, 2025ILI · Full5HEISS TRUCKING LLC 1380166A17695/WY
Mar 6, 2025MOII · Walk-around4HEISS TRUCKING LLC 1380166A17695/WY
Oct 22, 2024SDII · Walk-around2OOSHEISS TRUCKING LLC 1380166A17695/WY
Oct 15, 2024COIII · Driver-only3HEISS TRUCKING LLC 1380166A17695/WY
Sep 28, 2024NMIII · Driver-only0HEISS TRUCKING LLC 1380166A17695/WY
Sep 21, 2024ARIII · Driver-only1HEISS TRUCKING LLC 1380166A17695/WY
Jul 2, 2024AZII · Walk-around0HEISS TRUCKING LLC 1380166A17695/WY
Jul 1, 2024AZIII · Driver-only0HEISS TRUCKING LLC 1380166A17695/WY
Feb 7, 2024KSII · Walk-around3OOSHEISS TRUCKING LLC 1380166A17695/WY
Dec 20, 2023MTII · Walk-around1OOSHEISS TRUCKING LLC 1380166A17695/WY
Jun 29, 2023ILII · Walk-around4OOSHEISS TRUCKING LLC 1380166A17695/WY
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MAVERICK OILFIELD SERVICES LLC3798212Dec 19, 2025Jul 29, 20266WY
HEISS TRUCKING LLC1380166Jun 29, 2023Sep 2, 202513WY
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.
A27881WY1MAVERICK OILFIELD SERVICES LLCDec 19, 2025Jul 29, 20266
A17695WYHEISS TRUCKING LLCJun 29, 2023Sep 2, 202513
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026