Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth T680

1XKYD49X1MJ457869 · Truck-Tractor · TRUCK
Carriers run under5
23 mo
Inspections10
all-time
OOS inspections2
of 10
First seenDec 11, 2023
WA
Last seenNov 11, 2025
WA
Inspected under 5 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
1XKYD49X1MJ457869
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 18, 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
1 · valid

Deterministic · position 9; calculated value 1.

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
457869

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 · Dec 11, 2023 – Nov 11, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 11, 2025WAIII · Driver-only0AJ PARTNERS LLC 3617842P1324214/IL
Jun 25, 2025TXI · Full0TMS TRANSPORT SOLUTIONS INC 2791806P1202693/IL
May 9, 2025NMIII · Driver-only1MANAS EXPRESS CORP 2508694P1202693/IL
Feb 21, 2025TNIII · Driver-only0MANAS EXPRESS CORP 2508694P1202693/IL
Dec 5, 2024ORIII · Driver-only1OOSUSKG TRANS INC 3734139P1202693/IL
Oct 8, 2024CAI · Full0USKG TRANS INC 3734139P1202693/IL
Oct 5, 2024CAI · Full1OOSUSKG TRANS INC 3734139P1202693/IL
Sep 5, 2024WAIII · Driver-only0USKG TRANS INC 3734139P1202693/WA
Jul 20, 2024CAIII · Driver-only2USKG TRANS INC 3734139P1202693/IL
Dec 11, 2023WAIII · Driver-only0MANAS EXPRESS PLUS LLC 3718479P1202693/IL
03

Carriers this unit has run under

5 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
AJ PARTNERS LLC3617842Nov 11, 2025Nov 11, 20251IL
TMS TRANSPORT SOLUTIONS INC2791806Jun 25, 2025Jun 25, 20251IL
MANAS EXPRESS CORP2508694Feb 21, 2025May 9, 20252IL
USKG TRANS INC3734139Jul 20, 2024Dec 5, 20245IL
MANAS EXPRESS PLUS LLC3718479Dec 11, 2023Dec 11, 20231IL
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.
P1324214ILAJ PARTNERS LLCNov 11, 2025Nov 11, 20251
P1202693ILTMS TRANSPORT SOLUTIONS INCJun 25, 2025Jun 25, 20251
P1202693ILMANAS EXPRESS CORPFeb 21, 2025May 9, 20252
P1202693ILUSKG TRANS INCJul 20, 2024Dec 5, 20244
P1202693WAUSKG TRANS INCSep 5, 2024Sep 5, 20241
P1202693ILMANAS EXPRESS PLUS LLCDec 11, 2023Dec 11, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 18, 2026