Equipment unit · VIN-decoded · NHTSA vPIC

1985 Kenworth 548CH

3WKHDN9X9FF303973 · Truck-Tractor · TRUCK
Carriers run under1
32 mo
Inspections33
all-time
OOS inspections11
of 33
First seenJun 28, 2023
AZ
Last seenFeb 7, 2026
US
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
3WKHDN9X9FF303973
Make
Kenworth
Model
548CH
Model year
1985
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
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
1985 or 2015

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

North American serial sequence
303973

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
1985

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 · Jun 28, 2023 – Feb 7, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 7, 2026USIII · Driver-only0TRANSPORTES EMMA S DE RL DE CV 66475639AY8E/MX
Nov 8, 2025USI · Full5TRANSPORTES EMMA S DE RL DE CV 66475639AY8E/MX
Nov 6, 2025USI · Full22OOSTRANSPORTES EMMA S DE RL DE CV 66475639AY8E/MX
Oct 31, 2025USI · Full9TRANSPORTES EMMA S DE RL DE CV 66475639AY8E/MX
Oct 1, 2025USI · Full28OOSTRANSPORTES EMMA S DE RL DE CV 66475639AY8E/MX
Jun 27, 2025AZI · Full14OOSTRANSPORTES EMMA S DE RL DE CV 664756TXA49K/AZ
Jun 26, 2025AZIII · Driver-only0TRANSPORTES EMMA S DE RL DE CV 664756TXA49K/AZ
Jun 22, 2025USI · Full12OOSTRANSPORTES EMMA S DE RL DE CV 66475639AY8E/MX
Jun 9, 2025USI · Full8TRANSPORTES EMMA S DE RL DE CV 66475639AY8E/MX
May 12, 2025USI · Full24TRANSPORTES EMMA S DE RL DE CV 66475639AY8E/MX
Apr 24, 2025AZIII · Driver-only0TRANSPORTES EMMA S DE RL DE CV 664756TXA49K/AZ
Apr 19, 2025USI · Full18OOSTRANSPORTES EMMA S DE RL DE CV 66475639AY8E/MX
Apr 18, 2025USI · Full13TRANSPORTES EMMA S DE RL DE CV 66475639AY8E/MX
Apr 15, 2025AZI · Full12TRANSPORTES EMMA S DE RL DE CV 664756TXA49K/AZ
Apr 8, 2025USI · Full30OOSTRANSPORTES EMMA S DE RL DE CV 66475639AY8E/MX
Mar 13, 2025AZIII · Driver-only0TRANSPORTES EMMA S DE RL DE CV 664756TXA49K/AZ
Feb 22, 2025USI · Full10OOSTRANSPORTES EMMA S DE RL DE CV 66475639AY8E/MX
Feb 10, 2025USII · Walk-around8TRANSPORTES EMMA S DE RL DE CV 66475639AY8E/MX
Feb 8, 2025USI · Full10TRANSPORTES EMMA S DE RL DE CV 66475639AY8E/MX
Jan 27, 2025USI · Full26OOSTRANSPORTES EMMA S DE RL DE CV 66475639AY8E/MX
Jan 16, 2025AZI · Full4TRANSPORTES EMMA S DE RL DE CV 664756TXA49K/AZ
Dec 31, 2024USI · Full7TRANSPORTES EMMA S DE RL DE CV 66475639AY8E/MX
Dec 12, 2024USI · Full13TRANSPORTES EMMA S DE RL DE CV 66475639AY8E/MX
Dec 9, 2024USII · Walk-around4TRANSPORTES EMMA S DE RL DE CV 66475639AY8E/MX
Oct 30, 2024USI · Full14TRANSPORTES EMMA S DE RL DE CV 66475639AY8E/MX
Oct 23, 2024USI · Full11TRANSPORTES EMMA S DE RL DE CV 66475639AY8E/MX
Oct 22, 2024USI · Full14OOSTRANSPORTES EMMA S DE RL DE CV 66475639AY8E/MX
Jun 3, 2024USI · Full15TRANSPORTES EMMA S DE RL DE CV 66475639AY8E/MX
May 18, 2024USI · Full20OOSTRANSPORTES EMMA S DE RL DE CV 66475639AY8E/MX
Apr 16, 2024USI · Full13OOSTRANSPORTES EMMA S DE RL DE CV 66475639AY8E/MX
Oct 27, 2023USI · Full7TRANSPORTES EMMA S DE RL DE CV 66475639AY8E/MX
Oct 26, 2023AZI · Full4TRANSPORTES EMMA S DE RL DE CV 664756TXA49K/AZ
Jun 28, 2023AZIII · Driver-only0TRANSPORTES EMMA S DE RL DE CV 664756TXA49K/AZ
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 28, 2023Feb 7, 202633SI
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.
39AY8EMXTRANSPORTES EMMA S DE RL DE CVOct 27, 2023Feb 7, 202625
TXA49KAZTRANSPORTES EMMA S DE RL DE CVJun 28, 2023Jun 27, 20258
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026