Equipment unit · VIN-decoded · NHTSA vPIC

1983 Kenworth 548CH

3WKHDN9X2DF383484 · Truck-Tractor · TRUCK
Carriers run under1
35 mo
Inspections29
all-time
OOS inspections6
of 29
First seenJul 13, 2023
US
Last seenJun 10, 2026
CA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
3WKHDN9X2DF383484
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
2 · valid

Deterministic · position 9; calculated value 2.

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
383484

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 · Jul 13, 2023 – Jun 10, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 10, 2026CAI · Full3OOSSIXTO ALFONSO FELIX LOPEZ 7472629F86636/CA
May 23, 2026CAII · Walk-around4OOSSIXTO ALFONSO FELIX LOPEZ 7472629F86636/CA
Apr 13, 2026CAI · Full3SIXTO ALFONSO FELIX LOPEZ 7472629F86636/CA
Mar 25, 2026CAI · Full3SIXTO ALFONSO FELIX LOPEZ 7472629F86636/CA
Mar 24, 2026USI · Full3OOSSIXTO ALFONSO FELIX LOPEZ 7472629F86636/CA
Mar 11, 2026CAI · Full2SIXTO ALFONSO FELIX LOPEZ 7472629F86636/CA
Dec 3, 2025CAIII · Driver-only0SIXTO ALFONSO FELIX LOPEZ 7472629F86636/CA
Oct 13, 2025CAII · Walk-around1SIXTO ALFONSO FELIX LOPEZ 7472629F86636/CA
Sep 26, 2025CAI · Full0SIXTO ALFONSO FELIX LOPEZ 7472629F86636/CA
Aug 26, 2025CAIV · Special0SIXTO ALFONSO FELIX LOPEZ 7472629F86636/CA
Jul 28, 2025CAI · Full1SIXTO ALFONSO FELIX LOPEZ 7472629F86636/CA
Jun 24, 2025CAI · Full1SIXTO ALFONSO FELIX LOPEZ 7472629F86636/CA
Mar 7, 2025CAIII · Driver-only0SIXTO ALFONSO FELIX LOPEZ 7472629F86636/CA
Jan 31, 2025CAI · Full0SIXTO ALFONSO FELIX LOPEZ 7472629F86636/CA
Jan 30, 2025USI · Full3SIXTO ALFONSO FELIX LOPEZ 7472629F86636/CA
Jan 10, 2025USI · Full3SIXTO ALFONSO FELIX LOPEZ 7472629F86636/CA
Jan 9, 2025CAIII · Driver-only1SIXTO ALFONSO FELIX LOPEZ 7472629F86636/CA
Dec 11, 2024USI · Full2OOSSIXTO ALFONSO FELIX LOPEZ 7472629F86636/CA
May 7, 2024CAIII · Driver-only0SIXTO ALFONSO FELIX LOPEZ 7472629F86636/CA
Apr 10, 2024CAI · Full2OOSSIXTO ALFONSO FELIX LOPEZ 7472629F86636/CA
Dec 21, 2023CAI · Full0SIXTO ALFONSO FELIX LOPEZ 7472629F86636/CA
Dec 11, 2023CAI · Full3SIXTO ALFONSO FELIX LOPEZ 7472629F86636/CA
Sep 28, 2023CAI · Full0SIXTO ALFONSO FELIX LOPEZ 7472629F86636/CA
Sep 25, 2023CAI · Full2SIXTO ALFONSO FELIX LOPEZ 7472629F86636/CA
Sep 7, 2023CAI · Full2OOSSIXTO ALFONSO FELIX LOPEZ 7472629F86636/CA
Aug 16, 2023CAIII · Driver-only0SIXTO ALFONSO FELIX LOPEZ 7472629F86636/CA
Aug 7, 2023USIII · Driver-only0SIXTO ALFONSO FELIX LOPEZ 7472629F86636/CA
Jul 14, 2023CAIII · Driver-only0SIXTO ALFONSO FELIX LOPEZ 7472629F86636/CA
Jul 13, 2023USIII · Driver-only0SIXTO ALFONSO FELIX LOPEZ 7472629F86636/CA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SIXTO ALFONSO FELIX LOPEZ747262Jul 13, 2023Jun 10, 202629BN
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.
9F86636CA1SIXTO ALFONSO FELIX LOPEZJul 13, 2023Jun 10, 202629
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026