Equipment unit · VIN-decoded · NHTSA vPIC

2014 Kenworth T8 Series

1XKDD49X4EJ399305 · Truck-Tractor · TRUCK
T800
Carriers run under1
28 mo
Inspections7
all-time
OOS inspections2
of 7
First seenFeb 23, 2024
OK
Last seenJun 20, 2026
OK
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XKDD49X4EJ399305
Make
Kenworth
Model
T8 Series
Model year
2014
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 23, 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
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1984 or 2014

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

North American serial sequence
399305

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
2014

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 · Feb 23, 2024 – Jun 20, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 20, 2026OKII · Walk-around2OOSSILVER STAR CONSTRUCTION COMPANY INC 224449737298/OK
Mar 12, 2026OKII · Walk-around0SILVER STAR CONSTRUCTION COMPANY INC 224449737298/OK
Oct 1, 2025OKII · Walk-around0SILVER STAR CONSTRUCTION COMPANY INC 224449737298/OK
Oct 17, 2024OKII · Walk-around3SILVER STAR CONSTRUCTION COMPANY INC 224449704822/OK
Jul 6, 2024OKII · Walk-around2OOSSILVER STAR CONSTRUCTION COMPANY INC 224449704822/OK
Jun 13, 2024OKII · Walk-around0SILVER STAR CONSTRUCTION COMPANY INC 224449704822/OK
Feb 23, 2024OKII · Walk-around0SILVER STAR CONSTRUCTION COMPANY INC 224449704822/OK
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SILVER STAR CONSTRUCTION COMPANY INC224449Feb 23, 2024Jun 20, 20267OK
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.
737298OK1SILVER STAR CONSTRUCTION COMPANY INCOct 1, 2025Jun 20, 20263
704822OKSILVER STAR CONSTRUCTION COMPANY INCFeb 23, 2024Oct 17, 20244
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 23, 2026