Equipment unit · VIN-decoded · NHTSA vPIC

2013 Kenworth T8 Series

1XKDD40X7DJ341264 · Truck-Tractor · TRUCK
T800
Carriers run under3
35 mo
Inspections5
all-time
OOS inspections2
of 5
First seenJul 25, 2023
NY
Last seenJun 15, 2026
CT
Inspected under 3 different carriers in 35 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
1XKDD40X7DJ341264
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
Jul 10, 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
DD40X

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

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
341264

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 · 734 decoded VINs at 92.0% prefix purity.

Model
T8 Series

Prefix basis · 734 decoded VINs at 92.0% prefix purity.

Model line
T800

Sourced label · prefix basis 734 decoded VINs at 92.0% 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 · Jul 25, 2023 – Jun 15, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 15, 2026CTII · Walk-around8SUMMIT SERVICES OF MILFORD LLC 3043644CA11873/CT
Jun 15, 2026CTII · Walk-around8SUMMIT SERVICES OF MILFORD LLC 3043644CA11873/CT
Mar 2, 2026CTII · Walk-around6SUMMIT SERVICES OF MILFORD LLC 3043644CA11873/CT
Dec 30, 2025CTII · Walk-around5OOSSUMMIT CONSTRUCTION OF MONROE LLC 129740BW40393/CT
Jul 25, 2023NYII · Walk-around2OOSPECKHAM MATERIALS CORP 2412121001PC/NY
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SUMMIT SERVICES OF MILFORD LLC3043644Mar 2, 2026Jun 15, 20263CT
SUMMIT CONSTRUCTION OF MONROE LLC129740Dec 30, 2025Dec 30, 20251CT
PECKHAM MATERIALS CORP24121Jul 25, 2023Jul 25, 20231NY
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.
CA11873CT1SUMMIT SERVICES OF MILFORD LLCMar 2, 2026Jun 15, 20263
BW40393CTSUMMIT CONSTRUCTION OF MONROE LLCDec 30, 2025Dec 30, 20251
21001PCNYPECKHAM MATERIALS CORPJul 25, 2023Jul 25, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 10, 2026