Equipment unit · VIN-decoded · NHTSA vPIC

2020 Kenworth T680

1XKYD49X3LJ354936 · Truck-Tractor · TRUCK
Carriers run under2
24 mo
Inspections14
all-time
OOS inspections3
of 14
First seenMay 25, 2024
TN
Last seenMay 25, 2026
CA
Inspected under 2 different carriers in 24 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
1XKYD49X3LJ354936
Make
Kenworth
Model
T680
Model year
2020
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 16, 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
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1990 or 2020

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
354936

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
2020

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 · May 25, 2024 – May 25, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 25, 2026CAIII · Driver-only2AK EXPRESS GROUP INC 4116141ZP16279/CA
Apr 20, 2026TXII · Walk-around0AK EXPRESS GROUP INC 4116141ZP16279/CA
Mar 24, 2026NMII · Walk-around2AK EXPRESS GROUP INC 4116141ZP16279/CA
Nov 15, 2025CAV · Vehicle-only1AK EXPRESS GROUP INC 4116141ZP17299/CA
Oct 9, 2025AZII · Walk-around3OOSAK EXPRESS GROUP INC 4116141ZP16279/CA
Aug 5, 2025NJIII · Driver-only0AK EXPRESS GROUP INC 4116141ZP16279/CA
Jul 31, 2025ILIII · Driver-only0AK EXPRESS GROUP INC 4116141ZP16279/CA
Jun 5, 2025TXII · Walk-around1AK EXPRESS GROUP INC 4116141ZP16279/CA
May 9, 2025LAIII · Driver-only3AK EXPRESS GROUP INC 4116141ZP16279/CA
Feb 28, 2025CAII · Walk-around4Q9 EXPRESS INC 3796035ZP16279/CA
Feb 22, 2025UTIII · Driver-only0Q9 EXPRESS INC 3796035ZP16279/CA
Dec 27, 2024NMII · Walk-around1Q9 EXPRESS INC 3796035ZP16279/CA
Jul 6, 2024NMII · Walk-around1OOSQ9 EXPRESS INC 3796035ZP16279/CA
May 25, 2024TNI · Full6OOSQ9 EXPRESS INC 379603502703194/MN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
AK EXPRESS GROUP INC4116141May 9, 2025May 25, 20269MO
Q9 EXPRESS INC3796035May 25, 2024Feb 28, 20255CA
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.
ZP16279CAAK EXPRESS GROUP INCMay 9, 2025May 25, 20268
ZP17299CAAK EXPRESS GROUP INCNov 15, 2025Nov 15, 20251
ZP16279CAQ9 EXPRESS INCJul 6, 2024Feb 28, 20254
02703194MNQ9 EXPRESS INCMay 25, 2024May 25, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026