Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth T680

1XKYD49X8MJ438543 · Truck-Tractor · TRUCK
Carriers run under2
30 mo
Inspections8
all-time
OOS inspections0
of 8
First seenFeb 7, 2024
OH
Last seenAug 27, 2026
TX
Inspected under 2 different carriers in 30 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
1XKYD49X8MJ438543
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 24, 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
8 · valid

Deterministic · position 9; calculated value 8.

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
438543

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 · Feb 7, 2024 – Aug 27, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 27, 2026TXII · Walk-around2RIG RUNNERS LLC 1014498R810087/TX
Jul 15, 2026TXII · Walk-around0RIG RUNNERS LLC 1014498R810087/TX
Jan 8, 2026TXII · Walk-around0RIG RUNNERS LLC 1014498R810087/TX
Sep 24, 2025TXII · Walk-around0RIG RUNNERS LLC 1014498328040/TX
Aug 31, 2025TXII · Walk-around0RIG RUNNERS LLC 101449874N327N/TX
Jun 4, 2024MIII · Walk-around0BED ROCK INC 1007292AK14347/AZ
May 9, 2024VTIII · Driver-only0BED ROCK INC 1007292AK14347/AZ
Feb 7, 2024OHII · Walk-around2BED ROCK INC 1007292AK14347/AZ
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
RIG RUNNERS LLC1014498Aug 31, 2025Aug 27, 20265TX
BED ROCK INC1007292Feb 7, 2024Jun 4, 20243MO
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.
R810087TX1RIG RUNNERS LLCJan 8, 2026Aug 27, 20263
328040TXRIG RUNNERS LLCSep 24, 2025Sep 24, 20251
74N327NTXRIG RUNNERS LLCAug 31, 2025Aug 31, 20251
AK14347AZ1BED ROCK INCFeb 7, 2024Jun 4, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026