Equipment unit · VIN-decoded · NHTSA vPIC

2020 Kenworth T680

1XKYD49X6LJ387736 · Truck-Tractor · TRUCK
Carriers run under2
34 mo
Inspections13
all-time
OOS inspections3
of 13
First seenOct 4, 2023
AZ
Last seenAug 4, 2026
US
Inspected under 2 different carriers in 34 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
1XKYD49X6LJ387736
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 19, 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
387736

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 4, 2023 – Aug 4, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 4, 2026USIII · Driver-only2TRACTOREMOLQUES AMSA SA DE CV 120337305ES42/MX
Jul 29, 2026USIII · Driver-only0TRACTOREMOLQUES AMSA SA DE CV 120337305ES42/MX
Jun 30, 2026AZIII · Driver-only0AMSA USA INC 12147845BA1NR/AZ
Apr 28, 2026AZII · Walk-around0AMSA USA INC 12147845BA1NR/AZ
Apr 15, 2026AZI · Full0TRACTOREMOLQUES AMSA SA DE CV 12033735BA1NR/AZ
Jan 20, 2026AZI · Full1TRACTOREMOLQUES AMSA SA DE CV 12033735BA1NR/AZ
Oct 7, 2025USI · Full3OOSTRACTOREMOLQUES AMSA SA DE CV 120337388ER7L/MX
Aug 13, 2024USI · Full1OOSTRACTOREMOLQUES AMSA SA DE CV 120337388ER7L/MX
Jul 25, 2024AZIII · Driver-only0TRACTOREMOLQUES AMSA SA DE CV 12033735BA1NR/AZ
Apr 29, 2024USII · Walk-around10TRACTOREMOLQUES AMSA SA DE CV 120337388ER7L/MX
Feb 14, 2024USI · Full9OOSTRACTOREMOLQUES AMSA SA DE CV 120337388ER7L/MX
Dec 6, 2023AZIII · Driver-only0AMSA USA INC 12147845BA1NR/AZ
Oct 4, 2023AZI · Full4TRACTOREMOLQUES AMSA SA DE CV 12033735983R07/AZ
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TRACTOREMOLQUES AMSA SA DE CV1203373Oct 4, 2023Aug 4, 202610SO
AMSA USA INC1214784Dec 6, 2023Jun 30, 20263AZ
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.
05ES42MX1TRACTOREMOLQUES AMSA SA DE CVJul 29, 2026Aug 4, 20262
5BA1NRAZ1AMSA USA INCDec 6, 2023Jun 30, 20263
5BA1NRAZTRACTOREMOLQUES AMSA SA DE CVJul 25, 2024Apr 15, 20263
88ER7LMXTRACTOREMOLQUES AMSA SA DE CVFeb 14, 2024Oct 7, 20254
5983R07AZTRACTOREMOLQUES AMSA SA DE CVOct 4, 2023Oct 4, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026