Equipment unit · VIN-decoded · NHTSA vPIC

2020 Kenworth T8 Series

1XKDP4TX6LR399773 · Truck-Tractor · TRUCK
Carriers run under2
22 mo
Inspections5
all-time
OOS inspections1
of 5
First seenMay 13, 2024
NM
Last seenMar 20, 2026
RI
Inspected under 2 different carriers in 22 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
1XKDP4TX6LR399773
Make
Kenworth
Model
T8 Series
Model year
2020
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
DP4TX

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1990 or 2020

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

North American serial sequence
399773

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
2020

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 · May 13, 2024 – Mar 20, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 20, 2026RIIII · Driver-only2REDWOOD HEAVY TRANSPORT LLC 388908350188PF/NY
Feb 6, 2026MDII · Walk-around3REDWOOD HEAVY TRANSPORT LLC 388908350188PF/NY
Dec 22, 2025NYII · Walk-around2REDWOOD HEAVY TRANSPORT LLC 388908350188PF/NY
Sep 27, 2025NYIII · Driver-only1REDWOOD HEAVY TRANSPORT LLC 388908350188PF/NY
May 13, 2024NMII · Walk-around1OOSZ A CONSTRUCTION LLC 2255283A526988/MI
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
REDWOOD HEAVY TRANSPORT LLC3889083Sep 27, 2025Mar 20, 20264NY
Z A CONSTRUCTION LLC2255283May 13, 2024May 13, 20241MS
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.
50188PFNYREDWOOD HEAVY TRANSPORT LLCSep 27, 2025Mar 20, 20264
A526988MIZ A CONSTRUCTION LLCMay 13, 2024May 13, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026