Equipment unit · VIN-decoded · NHTSA vPIC

1995 Kenworth T600

1NKALB9X1SJ650541 · Truck · INCOMPLETE VEHICLE
Carriers run under2
24 mo
Inspections12
all-time
OOS inspections8
of 12
First seenSep 28, 2023
US
Last seenSep 12, 2025
US
Inspected under 2 different carriers in 24 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
1NKALB9X1SJ650541
Make
Kenworth
Model
T600
Model year
1995
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 17, 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
1NK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
ALB9X

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1995 or 2025

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

North American serial sequence
650541

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.

Not established

No supported platform claim is established for this prefix

The resolver answered successfully but returned no row above the evidence floor. This does not mean the vehicle has no platform or that no data exists; it means this store cannot make the claim.

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
1995

Observed directly for this VIN via NHTSA vPIC.

Observed make
KENWORTH

Observed directly for this VIN via NHTSA vPIC.

Observed model
T600

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Truck

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
INCOMPLETE VEHICLE

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

  • platform make
  • platform model
  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Sep 28, 2023 – Sep 12, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 12, 2025USII · Walk-around5OOSLUIS MANUEL BALLIN ORTIZ 3833593428SU4/MX
Aug 18, 2025USII · Walk-around6OOSLUIS MANUEL BALLIN ORTIZ 3833593428SU4/MX
May 27, 2025USI · Full3LUIS MANUEL BALLIN ORTIZ 3833593428SU4/MX
May 27, 2025USI · Full4OOSLUIS MANUEL BALLIN ORTIZ 3833593428SU4/MX
May 13, 2025USI · Full3LUIS MANUEL BALLIN ORTIZ 3833593428SU4/MX
Apr 22, 2025USI · Full5OOSLUIS MANUEL BALLIN ORTIZ 3833593428SU4/MX
Oct 21, 2024TXI · Full7OOSMARTIN HUMBERTO ZAPATA VELAZQUEZ 2487077428SU4/MX
Oct 16, 2024USI · Full4OOSMARTIN HUMBERTO ZAPATA VELAZQUEZ 2487077428SU4/MX
Oct 15, 2024USI · Full2OOSMARTIN HUMBERTO ZAPATA VELAZQUEZ 2487077428SU4/MX
Sep 23, 2024USI · Full5MARTIN HUMBERTO ZAPATA VELAZQUEZ 2487077428SU4/MX
Feb 22, 2024USII · Walk-around4OOSMARTIN HUMBERTO ZAPATA VELAZQUEZ 2487077428SU4/MX
Sep 28, 2023USII · Walk-around3MARTIN HUMBERTO ZAPATA VELAZQUEZ 2487077428SU4/MX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
LUIS MANUEL BALLIN ORTIZ3833593Apr 22, 2025Sep 12, 20256TA
MARTIN HUMBERTO ZAPATA VELAZQUEZ2487077Sep 28, 2023Oct 21, 20246TA
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.
428SU4MXLUIS MANUEL BALLIN ORTIZApr 22, 2025Sep 12, 20256
428SU4MXMARTIN HUMBERTO ZAPATA VELAZQUEZSep 28, 2023Oct 21, 20246
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 17, 2026