Equipment unit · VIN-decoded · NHTSA vPIC

1XKYD49X4MJ434991

Not yet decoded
Carriers run under2
20 mo
Inspections2
all-time
OOS inspections1
of 2
First seenJun 18, 2024
WI
Last seenFeb 12, 2026
AL
Inspected under 2 different carriers in 20 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
4 · valid

Deterministic · position 9; calculated value 4.

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
434991

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 · Jun 18, 2024 – Feb 12, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 12, 2026ALIII · Driver-only2OOSS & R LOGISTIC LLC 3796732R774170/TX
Jun 18, 2024WIIII · Driver-only0MARTEN TRANSPORT LTD 744322913648/WI
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
S & R LOGISTIC LLC3796732Feb 12, 2026Feb 12, 20261TX
MARTEN TRANSPORT LTD74432Jun 18, 2024Jun 18, 20241WI
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.
R774170TXS & R LOGISTIC LLCFeb 12, 2026Feb 12, 20261
2913648WIMARTEN TRANSPORT LTDJun 18, 2024Jun 18, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC