Equipment unit · VIN-decoded · NHTSA vPIC

1999 Kenworth T800

1XKDD99X2XJ785897 · Truck-Tractor · TRUCK
Carriers run under2
34 mo
Inspections10
all-time
OOS inspections2
of 10
First seenSep 2, 2023
TX
Last seenJul 22, 2026
TX
Inspected under 2 different carriers in 34 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
1XKDD99X2XJ785897
Make
Kenworth
Model
T800
Model year
1999
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 20, 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
DD99X

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
1999 or 2029

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

North American serial sequence
785897

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
1999

Observed directly for this VIN via NHTSA vPIC.

Observed make
KENWORTH

Observed directly for this VIN via NHTSA vPIC.

Observed model
T800

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

  • 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 2, 2023 – Jul 22, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 22, 2026TXII · Walk-around2MIREYA CAMILA OLIVO OLVERA 394771208ES4M/TA
May 22, 2026TXI · Full4MIREYA CAMILA OLIVO OLVERA 394771208ES4M/TA
May 5, 2026USIII · Driver-only1MIREYA CAMILA OLIVO OLVERA 394771208ES4M/MX
Mar 30, 2026TXI · Full11OOSMIREYA CAMILA OLIVO OLVERA 394771208ES4M/TA
Feb 16, 2026TXI · Full6MIREYA CAMILA OLIVO OLVERA 394771208ES4M/TA
Feb 3, 2026TXII · Walk-around0MIREYA CAMILA OLIVO OLVERA 394771208ES4M/TA
Apr 30, 2025USI · Full3MIREYA CAMILA OLIVO OLVERA 394771208ES4M/MX
Jul 25, 2024TXIII · Driver-only0MIREYA CAMILA OLIVO OLVERA 394771208ES4M/TA
Sep 16, 2023USII · Walk-around0REFRIGERADOS SAN-REY SA DE CV 237662834EN1S/MX
Sep 2, 2023TXII · Walk-around7OOSREFRIGERADOS SAN-REY SA DE CV 237662834EN1S/MX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MIREYA CAMILA OLIVO OLVERA3947712Jul 25, 2024Jul 22, 20268TA
REFRIGERADOS SAN-REY SA DE CV2376628Sep 2, 2023Sep 16, 20232TA
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.
08ES4MTA1MIREYA CAMILA OLIVO OLVERAJul 25, 2024Jul 22, 20266
08ES4MMXMIREYA CAMILA OLIVO OLVERAApr 30, 2025May 5, 20262
34EN1SMXREFRIGERADOS SAN-REY SA DE CVSep 2, 2023Sep 16, 20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 20, 2026