Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth T680

1XKYD49X9MJ438552 · Truck-Tractor · TRUCK
Carriers run under2
35 mo
Inspections7
all-time
OOS inspections1
of 7
First seenOct 12, 2023
AR
Last seenSep 25, 2026
TX
Inspected under 2 different carriers in 35 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
1XKYD49X9MJ438552
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
9 · valid

Deterministic · position 9; calculated value 9.

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
438552

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 · Oct 12, 2023 – Sep 25, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 25, 2026TXII · Walk-around5OOSHT & SONS TRUCKING LLC 36241491N92957/TX
Jul 26, 2026TXII · Walk-around2—HT & SONS TRUCKING LLC 36241491N92957/TX
Apr 17, 2025NYIII · Driver-only1—BED ROCK INC 1007292AK14353/AZ
Apr 10, 2025SCI · Full0—BED ROCK INC 1007292AK14353/AZ
Dec 15, 2024UTIII · Driver-only0—BED ROCK INC 1007292AK14353/AZ
Nov 24, 2024SDII · Walk-around0—BED ROCK INC 1007292AK14353/AZ
Oct 12, 2023ARIII · Driver-only1—BED ROCK INC 1007292AK14353/AZ
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HT & SONS TRUCKING LLC3624149Jul 26, 2026Sep 25, 20262TX
BED ROCK INC1007292Oct 12, 2023Apr 17, 20255MO
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.
1N92957TX1HT & SONS TRUCKING LLCJul 26, 2026 → Sep 25, 20262
AK14353AZ1BED ROCK INCOct 12, 2023 → Apr 17, 20255
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026