Equipment unit · VIN-decoded · NHTSA vPIC

1993 Kenworth 548CH

3WKHDM9X7PF323120 · Truck-Tractor · TRUCK
Carriers run under1
29 mo
Inspections17
all-time
OOS inspections4
of 17
First seenJun 17, 2023
US
Last seenNov 8, 2025
US
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
3WKHDM9X7PF323120
Make
Kenworth
Model
548CH
Model year
1993
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
HDM9X

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1993 or 2023

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

North American serial sequence
323120

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 · 3 decoded VINs at 100.0% prefix purity.

Model
548CH

Prefix basis · 3 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
1993

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

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jun 17, 2023 – Nov 8, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 8, 2025USI · Full11TRANSPORTES EMMA S DE RL DE CV 66475699AT8P/MX
Nov 7, 2025AZI · Full12TRANSPORTES EMMA S DE RL DE CV 66475665A5LJ/AZ
Oct 9, 2025USI · Full8TRANSPORTES EMMA S DE RL DE CV 66475699AT8P/MX
Sep 20, 2025USI · Full3OOSTRANSPORTES EMMA S DE RL DE CV 66475699AT8P/MX
Sep 19, 2025USI · Full3TRANSPORTES EMMA S DE RL DE CV 66475699AT8P/MX
Jun 17, 2025USI · Full12OOSTRANSPORTES EMMA S DE RL DE CV 66475699AT8P/MX
Jun 12, 2025USI · Full12OOSTRANSPORTES EMMA S DE RL DE CV 66475699AT8P/MX
Mar 1, 2025USI · Full6TRANSPORTES EMMA S DE RL DE CV 66475699AT8P/MX
Nov 12, 2024AZI · Full8TRANSPORTES EMMA S DE RL DE CV 66475665A5LJ/AZ
Sep 13, 2024AZI · Full0TRANSPORTES EMMA S DE RL DE CV 66475665A5LJ/AZ
Jul 8, 2024USI · Full9TRANSPORTES EMMA S DE RL DE CV 66475699AT8P/MX
May 2, 2024AZIII · Driver-only0TRANSPORTES EMMA S DE RL DE CV 66475665A5LJ/AZ
Apr 8, 2024USI · Full8TRANSPORTES EMMA S DE RL DE CV 66475699AT8P/MX
Jan 24, 2024AZI · Full0TRANSPORTES EMMA S DE RL DE CV 66475665A5LJ/AZ
Jan 17, 2024USI · Full13TRANSPORTES EMMA S DE RL DE CV 66475699AT8P/MX
Oct 14, 2023USI · Full5TRANSPORTES EMMA S DE RL DE CV 66475699AT8P/MX
Jun 17, 2023USI · Full8OOSTRANSPORTES EMMA S DE RL DE CV 66475699AT8P/MX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TRANSPORTES EMMA S DE RL DE CV664756Jun 17, 2023Nov 8, 202517SI
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.
99AT8PMXTRANSPORTES EMMA S DE RL DE CVJun 17, 2023Nov 8, 202512
65A5LJAZTRANSPORTES EMMA S DE RL DE CVJan 24, 2024Nov 7, 20255
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026