Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth T680

1XKYD49X9MJ458185 · Truck-Tractor · TRUCK
Carriers run under2
23 mo
Inspections5
all-time
OOS inspections1
of 5
First seenMar 2, 2024
UT
Last seenFeb 24, 2026
PA
Inspected under 2 different carriers in 23 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
1XKYD49X9MJ458185
Make
Kenworth
Model
T680
Model year
2021
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
1XK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
YD49X

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
1991 or 2021

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

North American serial sequence
458185

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
KENWORTH

Prefix basis · 43,483 decoded VINs at 100.0% prefix purity.

Model
T680

Prefix basis · 43,483 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.

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 · Mar 2, 2024 – Feb 24, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 24, 2026PAIII · Driver-only1—EXPRESS FREIGHT SYSTEMS INC 4210698AH82777/PA
Feb 13, 2025TXII · Walk-around0—CONTRACT FREIGHTERS INC 7028994KR7R/MO
Apr 16, 2024SCII · Walk-around3—CONTRACT FREIGHTERS INC 7028994KR7R/MO
Mar 12, 2024SDII · Walk-around1OOSCONTRACT FREIGHTERS INC 7028994KR7R/MO
Mar 2, 2024UTI · Full3—CONTRACT FREIGHTERS INC 7028994KR7R/MO
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
EXPRESS FREIGHT SYSTEMS INC4210698Feb 24, 2026Feb 24, 20261PA
CONTRACT FREIGHTERS INC70289Mar 2, 2024Feb 13, 20254MO
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.
AH82777PA—EXPRESS FREIGHT SYSTEMS INCFeb 24, 2026 → Feb 24, 20261
94KR7RMO—CONTRACT FREIGHTERS INCMar 2, 2024 → Feb 13, 20254
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026