Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth T680

1XKYDP9X5MJ438243 · Truck-Tractor · TRUCK
Carriers run under3
38 mo
Inspections5
all-time
OOS inspections0
of 5
First seenJun 25, 2023
KS
Last seenAug 4, 2026
VA
Inspected under 3 different carriers in 38 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
1XKYDP9X5MJ438243
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
Jul 11, 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
YDP9X

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

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
438243

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 · 26,022 decoded VINs at 100.0% prefix purity.

Model
T680

Prefix basis · 26,022 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 · Jun 25, 2023 – Aug 4, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 4, 2026VAIII · Driver-only1MDS SERVICES GROUP CORP 4188065XD855W/FL
Mar 27, 2026WYII · Walk-around2MDS SERVICES GROUP CORP 4188065XD855W/FL
Mar 27, 2026WYII · Walk-around2USA FREIGHT SYSTEM INC 2544741XD855W/FL
Feb 5, 2026UTIII · Driver-only0USA FREIGHT SYSTEM INC 2544741XD855W/FL
Jun 25, 2023KSII · Walk-around0AMERICAN CENTRAL TRANSPORT INC 76198204718/KS
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MDS SERVICES GROUP CORP4188065Mar 27, 2026Aug 4, 20262FL
USA FREIGHT SYSTEM INC2544741Feb 5, 2026Mar 27, 20262FL
AMERICAN CENTRAL TRANSPORT INC76198Jun 25, 2023Jun 25, 20231MO
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.
XD855WFL1MDS SERVICES GROUP CORPMar 27, 2026Aug 4, 20262
XD855WFLUSA FREIGHT SYSTEM INCFeb 5, 2026Mar 27, 20262
204718KSAMERICAN CENTRAL TRANSPORT INCJun 25, 2023Jun 25, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 11, 2026