Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth T680

1XKYD49X7MJ438548 · Truck-Tractor · TRUCK
Carriers run under2
25 mo
Inspections4
all-time
OOS inspections0
of 4
First seenJan 8, 2024
UT
Last seenFeb 25, 2026
AZ
Inspected under 2 different carriers in 25 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
1XKYD49X7MJ438548
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
YD49X

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

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
438548

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 · Jan 8, 2024 – Feb 25, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 25, 2026AZIII · Driver-only0—M & A EXPRESS LLC 1989986TP01028/AZ
Jan 19, 2026TXII · Walk-around2—M & A EXPRESS LLC 1989986289190SB/TX
May 22, 2024WIIII · Driver-only1—BED ROCK INC 1007292AK14401/AZ
Jan 8, 2024UTIII · Driver-only1—BED ROCK INC 1007292AK14401/AZ
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
M & A EXPRESS LLC1989986Jan 19, 2026Feb 25, 20262AZ
BED ROCK INC1007292Jan 8, 2024May 22, 20242MO
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.
TP01028AZ—M & A EXPRESS LLCFeb 25, 2026 → Feb 25, 20261
289190SBTX—M & A EXPRESS LLCJan 19, 2026 → Jan 19, 20261
AK14401AZ1BED ROCK INCJan 8, 2024 → May 22, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 11, 2026