Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth T8 Series

1XKDP4TX7MR447962 · Truck-Tractor · TRUCK
Carriers run under2
33 mo
Inspections16
all-time
OOS inspections1
of 16
First seenOct 13, 2023
MO
Last seenJul 23, 2026
MO
Inspected under 2 different carriers in 33 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
1XKDP4TX7MR447962
Make
Kenworth
Model
T8 Series
Model year
2021
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 17, 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
DP4TX

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1991 or 2021

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

North American serial sequence
447962

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
2021

Observed directly for this VIN via NHTSA vPIC.

Observed make
KENWORTH

Observed directly for this VIN via NHTSA vPIC.

Observed model
T8 Series

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 · Oct 13, 2023 – Jul 23, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 23, 2026MOII · Walk-around1SOUTHERN TIER EXPRESS INC 27668447531PF/NY
Feb 5, 2026NYI · Full4SOUTHERN TIER EXPRESS INC 27668447531PF/NY
Jan 19, 2026NYI · Full1SOUTHERN TIER EXPRESS INC 27668447531PF/NY
Nov 25, 2025NYIII · Driver-only0SOUTHERN TIER EXPRESS INC 27668447531PF/NY
Aug 5, 2025NYI · Full4SOUTHERN TIER EXPRESS INC 27668447531PF/NY
Jul 25, 2025NYI · Full1SOUTHERN TIER EXPRESS INC 27668447531PF/NY
Jun 19, 2025NYI · Full0SOUTHERN TIER EXPRESS INC 27668447531PF/NY
Jun 9, 2025NYI · Full1SOUTHERN TIER EXPRESS INC 27668447531PF/NY
Jun 2, 2025NYI · Full0SOUTHERN TIER EXPRESS INC 27668447531PF/NY
May 13, 2025NYI · Full2SOUTHERN TIER EXPRESS INC 27668447531PF/NY
Apr 29, 2025NYI · Full1SOUTHERN TIER EXPRESS INC 27668447531PF/NY
Apr 16, 2025NYI · Full2OOSSOUTHERN TIER EXPRESS INC 27668447531PF/NY
May 3, 2024AZIII · Driver-only0HENDERSON HEAVY HAUL TRUCKING INC 343038467XBE/CO
Apr 19, 2024COIII · Driver-only0HENDERSON HEAVY HAUL TRUCKING INC 343038467XBE/CO
Jan 10, 2024WYIII · Driver-only1HENDERSON HEAVY HAUL TRUCKING INC 343038467XBE/CO
Oct 13, 2023MOII · Walk-around0HENDERSON HEAVY HAUL TRUCKING INC 343038467XBE/CO
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SOUTHERN TIER EXPRESS INC276684Apr 16, 2025Jul 23, 202612NY
HENDERSON HEAVY HAUL TRUCKING INC343038Oct 13, 2023May 3, 20244CO
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.
47531PFNY1SOUTHERN TIER EXPRESS INCApr 16, 2025Jul 23, 202612
467XBECO1HENDERSON HEAVY HAUL TRUCKING INCOct 13, 2023May 3, 20244
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 17, 2026