Equipment unit · VIN-decoded · NHTSA vPIC

1983 Kenworth 548CH

3WKHDN9X8DF381786 · Truck-Tractor · TRUCK
Carriers run under2
29 mo
Inspections27
all-time
OOS inspections8
of 27
First seenAug 2, 2023
TX
Last seenJan 16, 2026
US
Inspected under 2 different carriers in 29 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
3WKHDN9X8DF381786
Make
Kenworth
Model
548CH
Model year
1983
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 14, 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
3WK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
HDN9X

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1983 or 2013

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

North American serial sequence
381786

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.

Not established

No supported platform claim is established for this prefix

The resolver answered successfully but returned no row above the evidence floor. This does not mean the vehicle has no platform or that no data exists; it means this store cannot make the claim.

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
1983

Observed directly for this VIN via NHTSA vPIC.

Observed make
KENWORTH

Observed directly for this VIN via NHTSA vPIC.

Observed model
548CH

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

  • platform make
  • platform model
  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Aug 2, 2023 – Jan 16, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 16, 2026USI · Full3OOSOPERADORA DE TRANSPORTE INTERNACIONAL SA DE CV 683428356EA1/MX
Dec 15, 2025USI · Full3OPERADORA DE TRANSPORTE INTERNACIONAL SA DE CV 683428356EA1/MX
Dec 2, 2025USI · Full6OPERADORA DE TRANSPORTE INTERNACIONAL SA DE CV 683428356EA1/MX
Nov 19, 2025TXII · Walk-around0OPERADORA DE TRANSPORTE INTERNACIONAL SA DE CV 683428356EA1/CI
Jun 17, 2025USIII · Driver-only0OPERADORA DE TRANSPORTE INTERNACIONAL SA DE CV 683428356EA1/CI
May 20, 2025USI · Full3OPERADORA DE TRANSPORTE INTERNACIONAL SA DE CV 683428356EA1/MX
May 8, 2025USI · Full4OPERADORA DE TRANSPORTE INTERNACIONAL SA DE CV 683428356EA1/MX
Apr 30, 2025USI · Full2OPERADORA DE TRANSPORTE INTERNACIONAL SA DE CV 683428356EA1/MX
Apr 22, 2025TXII · Walk-around1OPERADORA DE TRANSPORTE INTERNACIONAL SA DE CV 683428356EA1/MX
Feb 25, 2025USI · Full8OOSOPERADORA DE TRANSPORTE INTERNACIONAL SA DE CV 683428356EA1/MX
Jan 29, 2025USI · Full0E D C TRANSPORTATION LLC 1699067R577922/TX
Jan 29, 2025USI · Full4OOSOPERADORA DE TRANSPORTE INTERNACIONAL SA DE CV 683428356EA1/MX
Sep 25, 2024USI · Full7OPERADORA DE TRANSPORTE INTERNACIONAL SA DE CV 683428356EA1/MX
Jun 20, 2024TXI · Full7OOSOPERADORA DE TRANSPORTE INTERNACIONAL SA DE CV 683428356EA1/MX
May 21, 2024TXI · Full25OOSOPERADORA DE TRANSPORTE INTERNACIONAL SA DE CV 683428356EA1/MX
Apr 18, 2024TXII · Walk-around1OPERADORA DE TRANSPORTE INTERNACIONAL SA DE CV 683428356ER1/DF
Apr 5, 2024TXI · Full7OPERADORA DE TRANSPORTE INTERNACIONAL SA DE CV 683428356EA1/CI
Oct 16, 2023TXII · Walk-around3OOSOPERADORA DE TRANSPORTE INTERNACIONAL SA DE CV 683428356EA1/MX
Oct 10, 2023TXII · Walk-around2OPERADORA DE TRANSPORTE INTERNACIONAL SA DE CV 683428356EA1/MX
Oct 6, 2023TXII · Walk-around4OPERADORA DE TRANSPORTE INTERNACIONAL SA DE CV 683428356EA1/MX
Oct 4, 2023TXII · Walk-around4OOSOPERADORA DE TRANSPORTE INTERNACIONAL SA DE CV 683428356EA1/MX
Oct 2, 2023TXII · Walk-around3OPERADORA DE TRANSPORTE INTERNACIONAL SA DE CV 683428356EA1/MX
Sep 29, 2023TXII · Walk-around3OPERADORA DE TRANSPORTE INTERNACIONAL SA DE CV 683428356EA1/CI
Sep 28, 2023TXII · Walk-around1OPERADORA DE TRANSPORTE INTERNACIONAL SA DE CV 683428356EA1/MX
Sep 27, 2023TXII · Walk-around10OOSOPERADORA DE TRANSPORTE INTERNACIONAL SA DE CV 683428356EA1/MX
Sep 25, 2023TXII · Walk-around3OPERADORA DE TRANSPORTE INTERNACIONAL SA DE CV 683428356EA1/MX
Aug 2, 2023TXI · Full2OPERADORA DE TRANSPORTE INTERNACIONAL SA DE CV 683428356EA1/DF
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
OPERADORA DE TRANSPORTE INTERNACIONAL SA DE CV683428Aug 2, 2023Jan 16, 202626CI
E D C TRANSPORTATION LLC1699067Jan 29, 2025Jan 29, 20251TX
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.
356EA1MXOPERADORA DE TRANSPORTE INTERNACIONAL SA DE CVSep 25, 2023Jan 16, 202620
356EA1CIOPERADORA DE TRANSPORTE INTERNACIONAL SA DE CVSep 29, 2023Nov 19, 20254
R577922TXE D C TRANSPORTATION LLCJan 29, 2025Jan 29, 20251
356ER1DFOPERADORA DE TRANSPORTE INTERNACIONAL SA DE CVApr 18, 2024Apr 18, 20241
356EA1DFOPERADORA DE TRANSPORTE INTERNACIONAL SA DE CVAug 2, 2023Aug 2, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026