Equipment unit · VIN-decoded · NHTSA vPIC

2005 Kenworth T600

1XKAD49X15R101197 · Truck-Tractor · TRUCK
T600
Carriers run under2
31 mo
Inspections9
all-time
OOS inspections2
of 9
First seenDec 4, 2023
NM
Last seenJul 16, 2026
US
Inspected under 2 different carriers in 31 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
1XKAD49X15R101197
Make
Kenworth
Model
T600
Model year
2005
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 21, 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
AD49X

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
2005 or 2035

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

North American serial sequence
101197

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 · 5,142 decoded VINs at 90.1% prefix purity.

Model
T6 Series

Prefix basis · 5,142 decoded VINs at 90.1% prefix purity.

Model line
T600

Sourced label · prefix basis 5,142 decoded VINs at 90.1% 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
2005

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-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 · Dec 4, 2023 – Jul 16, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 16, 2026USII · Walk-around3TOMAS OLIVAS CALDERON 1198333476EU6/MX
Jan 5, 2026USIII · Driver-only1TOMAS OLIVAS CALDERON 1198333476EU6/MX
Sep 25, 2025NMII · Walk-around0TOMAS OLIVAS CALDERON 1198333476EU6/CH
Sep 10, 2025USIII · Driver-only0TOMAS OLIVAS CALDERON 1198333476EU6/MX
Aug 12, 2025NMIII · Driver-only0TOMAS OLIVAS CALDERON 1198333476EU6/MX
Jun 6, 2025USI · Full2TOMAS OLIVAS CALDERON 1198333476EU6/MX
Jan 8, 2025USII · Walk-around3OOSISABEL CRISTINA PEREZ GONZALEZ 1771024476EU6/MX
Dec 8, 2023NMI · Full5OOSTOMAS OLIVAS CALDERON 1198333476EU6/CH
Dec 4, 2023NMII · Walk-around0TOMAS OLIVAS CALDERON 1198333476EU6/MX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TOMAS OLIVAS CALDERON1198333Dec 4, 2023Jul 16, 20268CI
ISABEL CRISTINA PEREZ GONZALEZ1771024Jan 8, 2025Jan 8, 20251NL
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.
476EU6MX1TOMAS OLIVAS CALDERONDec 4, 2023Jul 16, 20266
476EU6CHTOMAS OLIVAS CALDERONDec 8, 2023Sep 25, 20252
476EU6MXISABEL CRISTINA PEREZ GONZALEZJan 8, 2025Jan 8, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026