Equipment unit · VIN-decoded · NHTSA vPIC

1994 Kenworth T600

3BK4HM8XXRF371853 · Truck · INCOMPLETE VEHICLE
Carriers run under1
24 mo
Inspections8
all-time
OOS inspections0
of 8
First seenMay 6, 2024
US
Last seenMay 11, 2026
US
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
3BK4HM8XXRF371853
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 21, 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
4HM8X

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

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
371853

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 · 17 decoded VINs at 100.0% prefix purity.

Model
T600

Prefix basis · 17 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 · May 6, 2024 – May 11, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 11, 2026USI · Full1FLETES EXPRESS DEL NORTE SA DE CV 105596469BB4G/MX
Apr 8, 2026USI · Full1FLETES EXPRESS DEL NORTE SA DE CV 105596469BB4G/MX
Feb 18, 2026USI · Full5FLETES EXPRESS DEL NORTE SA DE CV 105596469BB4G/MX
Dec 4, 2025USI · Full3FLETES EXPRESS DEL NORTE SA DE CV 105596469BB4G/MX
Nov 19, 2025USI · Full3FLETES EXPRESS DEL NORTE SA DE CV 105596469BB4G/MX
Sep 30, 2025USI · Full5FLETES EXPRESS DEL NORTE SA DE CV 105596469BB4G/MX
Jun 18, 2025USI · Full2FLETES EXPRESS DEL NORTE SA DE CV 105596469BB4G/MX
May 6, 2024USI · Full0FLETES EXPRESS DEL NORTE SA DE CV 105596469BB4G/MX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FLETES EXPRESS DEL NORTE SA DE CV1055964May 6, 2024May 11, 20268NL
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.
69BB4GMXFLETES EXPRESS DEL NORTE SA DE CVMay 6, 2024May 11, 20268
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026