Equipment unit · VIN-decoded · NHTSA vPIC

2020 Kenworth T680

1XKYD49X6LJ379944 · Truck-Tractor · TRUCK
Carriers run under1
35 mo
Inspections15
all-time
OOS inspections1
of 15
First seenAug 15, 2023
TX
Last seenJul 31, 2026
MS
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XKYD49X6LJ379944
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
6 · valid

Deterministic · position 9; calculated value 6.

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
379944

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 · Aug 15, 2023 – Jul 31, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 31, 2026MSIII · Driver-only0MAVERICK EXPRESS CARRIERS LLC 2557487R437436/TX
Mar 29, 2026TNIII · Driver-only0MAVERICK EXPRESS CARRIERS LLC 2557487R437436/TX
Feb 26, 2026FLIII · Driver-only0MAVERICK EXPRESS CARRIERS LLC 2557487R437436/TX
Jan 13, 2026MSII · Walk-around1MAVERICK EXPRESS CARRIERS LLC 2557487R437436/TX
Jan 6, 2026LAIII · Driver-only2MAVERICK EXPRESS CARRIERS LLC 2557487R437436/TX
Aug 28, 2025TXI · Full3MAVERICK EXPRESS CARRIERS LLC 2557487R437436/TX
Apr 1, 2025TXII · Walk-around0MAVERICK EXPRESS CARRIERS LLC 2557487R437436/TX
Oct 1, 2024MOIII · Driver-only0MAVERICK EXPRESS CARRIERS LLC 2557487R437436/TX
Sep 4, 2024USI · Full1MAVERICK EXPRESS CARRIERS LLC 2557487R437436/TX
Aug 27, 2024USI · Full1MAVERICK EXPRESS CARRIERS LLC 255748752ER6P/MX
Apr 19, 2024ARII · Walk-around1OOSMAVERICK EXPRESS CARRIERS LLC 2557487R437436/TX
Feb 1, 2024TXII · Walk-around1MAVERICK EXPRESS CARRIERS LLC 2557487R437436/TX
Dec 6, 2023TXII · Walk-around3MAVERICK EXPRESS CARRIERS LLC 255748752ER6P/MX
Nov 30, 2023TXII · Walk-around0MAVERICK EXPRESS CARRIERS LLC 2557487R437436/TX
Aug 15, 2023TXII · Walk-around1MAVERICK EXPRESS CARRIERS LLC 2557487R437436/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MAVERICK EXPRESS CARRIERS LLC2557487Aug 15, 2023Jul 31, 202615TX
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.
R437436TX1MAVERICK EXPRESS CARRIERS LLCAug 15, 2023Jul 31, 202613
52ER6PMXMAVERICK EXPRESS CARRIERS LLCDec 6, 2023Aug 27, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026