Equipment unit · VIN-decoded · NHTSA vPIC

1994 Kenworth T600

3BK4LM9X5RF341561 · Truck · INCOMPLETE VEHICLE
Carriers run under2
35 mo
Inspections8
all-time
OOS inspections1
of 8
First seenSep 25, 2023
TX
Last seenAug 18, 2026
US
Inspected under 2 different carriers in 35 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
3BK4LM9X5RF341561
Make
Kenworth
Model
T600
Model year
1994
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 27, 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
3BK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
4LM9X

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
1994 or 2024

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

North American serial sequence
341561

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 · 4 decoded VINs at 100.0% prefix purity.

Model
T600

Prefix basis · 4 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
1994

Observed directly for this VIN via NHTSA vPIC.

Observed make
KENWORTH

Observed directly for this VIN via NHTSA vPIC.

Observed model
T600

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Truck

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
INCOMPLETE VEHICLE

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 · Sep 25, 2023 – Aug 18, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 18, 2026USI · Full2TRANSPORTES H&H SERVICIOS DE URGENCIAS Y LOGISTICA SA DE CV 209741852AV6F/MX
Jul 16, 2026TXI · Full4TRANSPORTES H&H SERVICIOS DE URGENCIAS Y LOGISTICA SA DE CV 209741852AV6F/MX
Mar 31, 2026USI · Full1TRANSPORTES H&H SERVICIOS DE URGENCIAS Y LOGISTICA SA DE CV 209741852AV6F/MX
Feb 10, 2026TXII · Walk-around2TRANSPORTES H&H SERVICIOS DE URGENCIAS Y LOGISTICA SA DE CV 209741852AV6F/MX
Jan 22, 2026USI · Full5OOSTRANSPORTES H&H SERVICIOS DE URGENCIAS Y LOGISTICA SA DE CV 209741852AV6F/MX
Jan 26, 2025USIII · Driver-only0TRANSPORTES H&H LOGISTICS LLC 320119952AV6F/MX
Dec 20, 2024TXI · Full2TRANSPORTES H&H SERVICIOS DE URGENCIAS Y LOGISTICA SA DE CV 209741852AV6F/MX
Sep 25, 2023TXI · Full2TRANSPORTES H&H SERVICIOS DE URGENCIAS Y LOGISTICA SA DE CV 209741852AV6F/MX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TRANSPORTES H&H SERVICIOS DE URGENCIAS Y LOGISTICA SA DE CV2097418Sep 25, 2023Aug 18, 20267TA
TRANSPORTES H&H LOGISTICS LLC3201199Jan 26, 2025Jan 26, 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.
52AV6FMX1TRANSPORTES H&H SERVICIOS DE URGENCIAS Y LOGISTICA SA DE CVSep 25, 2023Aug 18, 20267
52AV6FMXTRANSPORTES H&H LOGISTICS LLCJan 26, 2025Jan 26, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 27, 2026