Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth T680

1XKYD49XXMJ402143 · Truck-Tractor · TRUCK
Carriers run under3
33 mo
Inspections6
all-time
OOS inspections0
of 6
First seenOct 11, 2023
IN
Last seenJul 20, 2026
LA
Inspected under 3 different carriers in 33 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
1XKYD49XXMJ402143
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
X · valid

Deterministic · position 9; calculated value X.

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
402143

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 · Oct 11, 2023 – Jul 20, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 20, 2026LAI · Full1PSW TRANSPORT INC 3082884R830618/TX
Apr 24, 2026IAI · Full11PSW TRANSPORT INC 3082884R830618/TX
Dec 22, 2025TXI · Full5PSW TRANSPORT INC 3082884R784318/TX
Jan 13, 2025TXII · Walk-around0PIONEER FREIGHT LTD 13326751N50946/TX
Jan 13, 2025TXII · Walk-around0PIONEER FREIGHT LTD 13326753827112/ME
Oct 11, 2023INI · Full0ZEITNER AND SONS INC 381764219305/NE
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
PSW TRANSPORT INC3082884Dec 22, 2025Jul 20, 20263IN
PIONEER FREIGHT LTD1332675Jan 13, 2025Jan 13, 20252TX
ZEITNER AND SONS INC381764Oct 11, 2023Oct 11, 20231NE
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.
R830618TX1PSW TRANSPORT INCApr 24, 2026Jul 20, 20262
R784318TXPSW TRANSPORT INCDec 22, 2025Dec 22, 20251
1N50946TXPIONEER FREIGHT LTDJan 13, 2025Jan 13, 20251
3827112MEPIONEER FREIGHT LTDJan 13, 2025Jan 13, 20251
219305NEZEITNER AND SONS INCOct 11, 2023Oct 11, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026