Equipment unit · VIN-decoded · NHTSA vPIC

2001 Kenworth T800

3WKDD60X21F601551 · Truck-Tractor · TRUCK
Carriers run under1
33 mo
Inspections15
all-time
OOS inspections4
of 15
First seenNov 13, 2023
US
Last seenAug 10, 2026
US
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
3WKDD60X21F601551
Make
Kenworth
Model
T800
Model year
2001
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 16, 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
DD60X

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
2001 or 2031

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

North American serial sequence
601551

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 · 24 decoded VINs at 100.0% prefix purity.

Model
T800

Prefix basis · 24 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
2001

Observed directly for this VIN via NHTSA vPIC.

Observed make
KENWORTH

Observed directly for this VIN via NHTSA vPIC.

Observed model
T800

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 · Nov 13, 2023 – Aug 10, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 10, 2026USI · Full7OSCAR MONTEMAYOR FLORES 2342249164EV7/MX
Jul 8, 2026USI · Full6OSCAR MONTEMAYOR FLORES 2342249164EV7/MX
May 12, 2026USI · Full8OSCAR MONTEMAYOR FLORES 2342249164EV7/MX
Apr 8, 2026USI · Full6OSCAR MONTEMAYOR FLORES 2342249164EV7/MX
Dec 12, 2025USIII · Driver-only0OSCAR MONTEMAYOR FLORES 2342249164EV7/MX
Oct 31, 2025USI · Full4OSCAR MONTEMAYOR FLORES 2342249164EV7/MX
Aug 15, 2025USI · Full16OSCAR MONTEMAYOR FLORES 234224919AR9G/MX
Jul 15, 2025USI · Full7OSCAR MONTEMAYOR FLORES 2342249164EV7/MX
Apr 14, 2025USI · Full3OOSOSCAR MONTEMAYOR FLORES 2342249164EV7/MX
Feb 12, 2025USI · Full10OOSOSCAR MONTEMAYOR FLORES 2342249164EV7/MX
Oct 9, 2024USII · Walk-around3OSCAR MONTEMAYOR FLORES 2342249164EV7/MX
Sep 26, 2024USI · Full10OSCAR MONTEMAYOR FLORES 2342249164EV7/MX
Jan 3, 2024USI · Full12OOSOSCAR MONTEMAYOR FLORES 2342249164EV7/MX
Dec 5, 2023USI · Full6OOSOSCAR MONTEMAYOR FLORES 2342249164EV7/MX
Nov 13, 2023USII · Walk-around0OSCAR MONTEMAYOR FLORES 234224919AR9G/MX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
OSCAR MONTEMAYOR FLORES2342249Nov 13, 2023Aug 10, 202615NL
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.
164EV7MX1OSCAR MONTEMAYOR FLORESDec 5, 2023Aug 10, 202613
19AR9GMXOSCAR MONTEMAYOR FLORESNov 13, 2023Aug 15, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026