Equipment unit · VIN-decoded · NHTSA vPIC

2020 Kenworth T680

1XKYD49X4LJ427408 · Truck-Tractor · TRUCK
Carriers run under4
31 mo
Inspections9
all-time
OOS inspections1
of 9
First seenOct 16, 2023
NE
Last seenMay 22, 2026
LA
Inspected under 4 different carriers in 31 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
1XKYD49X4LJ427408
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 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
4 · valid

Deterministic · position 9; calculated value 4.

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
427408

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 · Oct 16, 2023 – May 22, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 22, 2026LAIII · Driver-only1ALE TRANSPORT CORP 35416671N53990/TX
May 22, 2026LAIII · Driver-only1ALE TRANSPORT CORP 35416671N53990/TX
Apr 19, 2026TXII · Walk-around3OOSHEARTBREAK TRUCKING LLC 30569091N53990/TX
Apr 17, 2026TXII · Walk-around2HEARTBREAK TRUCKING LLC 30569091N53990/TX
Dec 16, 2025TXIII · Driver-only0C4 ENERGY SERVICES LLC 33189471N53990/TX
Dec 15, 2025TXII · Walk-around0C4 ENERGY SERVICES LLC 33189471N53990/TX
Mar 17, 2025OKII · Walk-around1DON HUMMER TRUCKING CORPORATION 307512DA3024/IA
Sep 14, 2024MOII · Walk-around0DON HUMMER TRUCKING CORPORATION 307512DA3024/IA
Oct 16, 2023NEIII · Driver-only2DON HUMMER TRUCKING CORPORATION 307512DA3024/IA
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ALE TRANSPORT CORP3541667May 22, 2026May 22, 20262NJ
HEARTBREAK TRUCKING LLC3056909Apr 17, 2026Apr 19, 20262TX
C4 ENERGY SERVICES LLC3318947Dec 15, 2025Dec 16, 20252TX
DON HUMMER TRUCKING CORPORATION307512Oct 16, 2023Mar 17, 20253IA
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.
1N53990TX1ALE TRANSPORT CORPMay 22, 2026May 22, 20262
1N53990TXHEARTBREAK TRUCKING LLCApr 17, 2026Apr 19, 20262
1N53990TXC4 ENERGY SERVICES LLCDec 15, 2025Dec 16, 20252
DA3024IADON HUMMER TRUCKING CORPORATIONOct 16, 2023Mar 17, 20253
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026