Equipment unit · NHTSA vPIC identity

1992 Kenworth T800

1XKDD49X5NR143630 · Truck-Tractor · TRUCK
T800
Carriers run under2
28 mo
Inspections5
all-time
OOS inspections1
of 5
First seenJul 27, 2023
TN
Last seenNov 3, 2025
IL
Inspected under 2 different carriers in 28 months
These observations show where this VIN appeared, not who owned the vehicle. Sales, leases or owner-operator moves may explain carrier changes. A shared VIN alone is not a fraud finding. Compare dates and sources in the timeline below.
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XKDD49X5NR143630
Make
Kenworth
Model
T800
Model year
1992
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 28, 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
1XK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
DD49X

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
1992 or 2022

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

North American serial sequence
143630

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 · 1,944 decoded VINs at 93.9% prefix purity.

Model
T8 Series

Prefix basis · 1,944 decoded VINs at 93.9% prefix purity.

Model line
T800

Sourced label · prefix basis 1,944 decoded VINs at 93.9% prefix purity.

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.

Not established

  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jul 27, 2023 – Nov 3, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 3, 2025ILIII · Driver-only0—TWINS LOGISTICS LLC 4072255R800990/TX
Oct 21, 2025TXII · Walk-around0—TWINS LOGISTICS LLC 4072255R800990/TX
Apr 1, 2025TXIII · Driver-only4—SAN JUAN EXPRESS LLC 2497389R590783/TX
Sep 15, 2024TXII · Walk-around4OOSSAN JUAN EXPRESS LLC 2497389R590783/TX
Jul 27, 2023TNII · Walk-around0—SAN JUAN EXPRESS LLC 2497389R590783/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TWINS LOGISTICS LLC4072255Oct 21, 2025Nov 3, 20252TX
SAN JUAN EXPRESS LLC2497389Jul 27, 2023Apr 1, 20253TX
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.
R800990TX—TWINS LOGISTICS LLCOct 21, 2025 → Nov 3, 20252
R590783TX—SAN JUAN EXPRESS LLCJul 27, 2023 → Apr 1, 20253
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026