Equipment unit · VIN-decoded · NHTSA vPIC

1996 Western Star 4900

2WKPDCCH7TK941102 · Truck-Tractor · TRUCK
Carriers run under2
17 mo
Inspections4
all-time
OOS inspections2
of 4
First seenNov 21, 2024
WY
Last seenApr 6, 2026
NM
Inspected under 2 different carriers in 17 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
2WKPDCCH7TK941102
Make
Western Star
Model
4900
Model year
1996
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
2WK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
PDCCH

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1996 or 2026

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

North American serial sequence
941102

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 · 69 decoded VINs at 100.0% prefix purity.

Model
4900

Prefix basis · 69 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
1996

Observed directly for this VIN via NHTSA vPIC.

Observed make
WESTERN STAR

Observed directly for this VIN via NHTSA vPIC.

Observed model
4900

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 · Nov 21, 2024 – Apr 6, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 6, 2026NMIII · Driver-only0THUNDERBOLT FREIGHT LLC 4289179994F78/MD
Feb 3, 2026COII · Walk-around0THUNDERBOLT FREIGHT LLC 4289179994F78/MD
Sep 2, 2025COI · Full12OOSTHUNDERBOLT FREIGHT LLC 42891799994F78/MD
Nov 21, 2024WYII · Walk-around4OOSTURNER TRANSPORT LLC 1937216994F78/MD
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
THUNDERBOLT FREIGHT LLC4289179Sep 2, 2025Apr 6, 20263MD
TURNER TRANSPORT LLC1937216Nov 21, 2024Nov 21, 20241SC
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.
994F78MDTHUNDERBOLT FREIGHT LLCFeb 3, 2026Apr 6, 20262
9994F78MDTHUNDERBOLT FREIGHT LLCSep 2, 2025Sep 2, 20251
994F78MDTURNER TRANSPORT LLCNov 21, 2024Nov 21, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 12, 2026