Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth T680

1XKYD49X8MJ433651 · Truck-Tractor · TRUCK
Carriers run under3
32 mo
Inspections8
all-time
OOS inspections1
of 8
First seenAug 18, 2023
IN
Last seenApr 17, 2026
MN
Inspected under 3 different carriers in 32 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
1XKYD49X8MJ433651
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 21, 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
433651

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 · Aug 18, 2023 – Apr 17, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 17, 2026MNIII · Driver-only2AMERICA MIDWEST TRANSPORTATION LLC 1150978PAW8143/MN
Feb 6, 2026IAIII · Driver-only2AMERICA MIDWEST TRANSPORTATION LLC 1150978PAW8143/MN
Nov 25, 2025PAII · Walk-around2AMERICA MIDWEST TRANSPORTATION LLC 1150978PAW8143/MN
Jul 11, 2025WII · Full4OOSAMERICA MIDWEST TRANSPORTATION LLC 1150978PAW8143/PA
Apr 10, 2025FLIII · Driver-only0MERCER TRANSPORTATION COMPANY INC 1547123771748/IN
Mar 8, 2025UTIII · Driver-only0MERCER TRANSPORTATION COMPANY INC 1547123771748/IN
Feb 5, 2024NEIII · Driver-only0BARLOW TRUCK LINES INC 17400518KR0U/MO
Aug 18, 2023INIII · Driver-only1BARLOW TRUCK LINES INC 17400518KROU/MO
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
AMERICA MIDWEST TRANSPORTATION LLC1150978Jul 11, 2025Apr 17, 20264MN
MERCER TRANSPORTATION COMPANY INC154712Mar 8, 2025Apr 10, 20252KY
BARLOW TRUCK LINES INC174005Aug 18, 2023Feb 5, 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.
PAW8143MNAMERICA MIDWEST TRANSPORTATION LLCNov 25, 2025Apr 17, 20263
PAW8143PAAMERICA MIDWEST TRANSPORTATION LLCJul 11, 2025Jul 11, 20251
3771748INMERCER TRANSPORTATION COMPANY INCMar 8, 2025Apr 10, 20252
18KR0UMOBARLOW TRUCK LINES INCFeb 5, 2024Feb 5, 20241
18KROUMOBARLOW TRUCK LINES INCAug 18, 2023Aug 18, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026