Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth T680

1XKYD49X2MJ458173 · Truck-Tractor · TRUCK
Carriers run under2
31 mo
Inspections6
all-time
OOS inspections3
of 6
First seenJul 19, 2023
NM
Last seenFeb 24, 2026
LA
Inspected under 2 different carriers in 31 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
1XKYD49X2MJ458173
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 24, 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
2 · valid

Deterministic · position 9; calculated value 2.

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
458173

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.

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
2021

Observed directly for this VIN via NHTSA vPIC.

Observed make
KENWORTH

Observed directly for this VIN via NHTSA vPIC.

Observed model
T680

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 · Jul 19, 2023 – Feb 24, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 24, 2026LAIII · Driver-only2OOSBLUES CITY TRANSPORTATION LLC 3241485W3807HY/TN
Dec 2, 2025KSII · Walk-around4BLUES CITY TRANSPORTATION LLC 3241485QP75QE9/TN
Aug 18, 2025OHI · Full3OOSCONTRACT FREIGHTERS INC 7028970KR4Y/MO
Aug 6, 2024KYI · Full2OOSCONTRACT FREIGHTERS INC 7028970KR4Y/MO
Feb 24, 2024MDII · Walk-around0CONTRACT FREIGHTERS INC 7028970KR4Y/MO
Jul 19, 2023NMIII · Driver-only0CONTRACT FREIGHTERS INC 7028970KR4Y/MO
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BLUES CITY TRANSPORTATION LLC3241485Dec 2, 2025Feb 24, 20262TN
CONTRACT FREIGHTERS INC70289Jul 19, 2023Aug 18, 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.
W3807HYTNBLUES CITY TRANSPORTATION LLCFeb 24, 2026Feb 24, 20261
QP75QE9TNBLUES CITY TRANSPORTATION LLCDec 2, 2025Dec 2, 20251
70KR4YMOCONTRACT FREIGHTERS INCJul 19, 2023Aug 18, 20254
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026