Equipment unit · VIN-decoded · NHTSA vPIC

2013 Kenworth T8 Series

1XKDD49X1DJ358628 · Truck-Tractor · TRUCK
T800
Carriers run under2
28 mo
Inspections5
all-time
OOS inspections1
of 5
First seenNov 9, 2023
OK
Last seenMar 18, 2026
OK
Inspected under 2 different carriers in 28 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
1XKDD49X1DJ358628
Make
Kenworth
Model
T8 Series
Model year
2013
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
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1983 or 2013

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

North American serial sequence
358628

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.

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
2013

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

  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Nov 9, 2023 – Mar 18, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 18, 2026OKIII · Driver-only1W & W FIBERGLASS TANK CO 397573R583600/TX
Sep 29, 2025TXII · Walk-around2W & W FIBERGLASS TANK CO 397573R583600/TX
Apr 16, 2024TXI · Full5OOSW & W FIBERGLASS TANK CO 397573R583600/TX
Feb 23, 2024TXII · Walk-around0W & W FIBERGLASS TANK CO 397573R583600/TX
Nov 9, 2023OKII · Walk-around0MIDCON SERVICES LLC 3109439R583600/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
W & W FIBERGLASS TANK CO397573Feb 23, 2024Mar 18, 20264TX
MIDCON SERVICES LLC3109439Nov 9, 2023Nov 9, 20231TX
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.
R583600TXW & W FIBERGLASS TANK COFeb 23, 2024Mar 18, 20264
R583600TXMIDCON SERVICES LLCNov 9, 2023Nov 9, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026