Equipment unit · VIN-decoded · NHTSA vPIC

1XKYD49X7MJ434953

Not yet decoded
Carriers run under2
18 mo
Inspections2
all-time
OOS inspections0
of 2
First seenAug 18, 2023
TN
Last seenFeb 3, 2025
PA
Inspected under 2 different carriers in 18 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

This VIN has not been decoded yet — the unit's carrier, inspection and plate history below is reconstructed from the FMCSA inspection feed regardless.

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
YD49X

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
434953

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 · 43,483 decoded VINs at 100.0% prefix purity.

Model
T680

Prefix basis · 43,483 decoded VINs at 100.0% prefix purity.

Model line
Not established

No sourced model-line label is established.

No source established for this field.

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.

Not established

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Aug 18, 2023 – Feb 3, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 3, 2025PAIII · Driver-only1SAYCO TRUCKING LLC 1774489TEMP/PA
Aug 18, 2023TNIII · Driver-only0MARTEN TRANSPORT LTD 744322483643/IN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SAYCO TRUCKING LLC1774489Feb 3, 2025Feb 3, 20251PA
MARTEN TRANSPORT LTD74432Aug 18, 2023Aug 18, 20231WI
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.
TEMPPA1SAYCO TRUCKING LLCFeb 3, 2025Feb 3, 20251
2483643INMARTEN TRANSPORT LTDAug 18, 2023Aug 18, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC