Equipment unit · VIN-decoded · NHTSA vPIC

2001 Kenworth W900

1XKWD49X21R858805 · Truck-Tractor · TRUCK
W900
Carriers run under1
36 mo
Inspections11
all-time
OOS inspections5
of 11
First seenJul 7, 2023
TX
Last seenJul 3, 2026
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XKWD49X21R858805
Make
Kenworth
Model
W900
Model year
2001
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 19, 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
WD49X

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
2001 or 2031

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

North American serial sequence
858805

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 · 5,845 decoded VINs at 94.7% prefix purity.

Model
W9 Series

Prefix basis · 5,845 decoded VINs at 94.7% prefix purity.

Model line
W900

Sourced label · prefix basis 5,845 decoded VINs at 94.7% 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
2001

Observed directly for this VIN via NHTSA vPIC.

Observed make
KENWORTH

Observed directly for this VIN via NHTSA vPIC.

Observed model
W900

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 · Jul 7, 2023 – Jul 3, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 3, 2026TXII · Walk-around3OOSARJONAS TRUCKING LLC 35529931N50849/TX
Jun 2, 2026TXI · Full9OOSARJONAS TRUCKING LLC 35529931N50849/TX
Jun 12, 2025TXII · Walk-around7OOSARJONAS TRUCKING LLC 35529931N50849/TX
Jun 2, 2025TXII · Walk-around2ARJONAS TRUCKING LLC 35529931N50849/TX
Apr 24, 2025TXII · Walk-around6OOSARJONAS TRUCKING LLC 35529931N50849/TX
Sep 27, 2023TXII · Walk-around2ARJONAS TRUCKING LLC 35529931L42890/TX
Sep 19, 2023TXII · Walk-around8OOSARJONAS TRUCKING LLC 35529931L42890/TX
Aug 22, 2023TXII · Walk-around0ARJONAS TRUCKING LLC 35529931L42890/TX
Aug 15, 2023TXII · Walk-around0ARJONAS TRUCKING LLC 35529931L42890/TX
Aug 1, 2023TXI · Full13ARJONAS TRUCKING LLC 35529931L42890/TX
Jul 7, 2023TXIV · Special1ARJONAS TRUCKING LLC 35529931L42890/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ARJONAS TRUCKING LLC3552993Jul 7, 2023Jul 3, 202611TX
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.
1N50849TX1ARJONAS TRUCKING LLCApr 24, 2025Jul 3, 20265
1L42890TXARJONAS TRUCKING LLCJul 7, 2023Sep 27, 20236
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026