Equipment unit · VIN-decoded · NHTSA vPIC

1994 Kenworth T800

1XKDD40X9RR353179 · Truck-Tractor · TRUCK
T800
Carriers run under1
31 mo
Inspections12
all-time
OOS inspections0
of 12
First seenNov 16, 2023
AZ
Last seenJun 23, 2026
AZ
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XKDD40X9RR353179
Make
Kenworth
Model
T800
Model year
1994
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 18, 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
DD40X

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
1994 or 2024

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

North American serial sequence
353179

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 · 734 decoded VINs at 92.0% prefix purity.

Model
T8 Series

Prefix basis · 734 decoded VINs at 92.0% prefix purity.

Model line
T800

Sourced label · prefix basis 734 decoded VINs at 92.0% 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
1994

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

  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Nov 16, 2023 – Jun 23, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 23, 2026AZIII · Driver-only0EMPIRE SOUTHWEST LLC 44064AM21046/AZ
Jun 17, 2026AZIII · Driver-only0EMPIRE SOUTHWEST LLC 44064AM21046/AZ
Jan 13, 2026AZIII · Driver-only0EMPIRE SOUTHWEST LLC 44064AM21046/AZ
Oct 24, 2025AZII · Walk-around0EMPIRE SOUTHWEST LLC 44064AM21046/AZ
Oct 9, 2025AZII · Walk-around2EMPIRE SOUTHWEST LLC 44064AM21046/AZ
Apr 15, 2025AZII · Walk-around0EMPIRE SOUTHWEST LLC 44064AM21046/AZ
Jan 14, 2025AZIII · Driver-only0EMPIRE SOUTHWEST LLC 44064AM21046/AZ
Oct 23, 2024AZII · Walk-around0EMPIRE SOUTHWEST LLC 44064AM21046/AZ
May 23, 2024AZIII · Driver-only0EMPIRE SOUTHWEST LLC 44064AM21046/AZ
May 21, 2024AZIII · Driver-only0EMPIRE SOUTHWEST LLC 44064AM21046/AZ
May 17, 2024AZII · Walk-around1EMPIRE SOUTHWEST LLC 44064AM21046/AZ
Nov 16, 2023AZII · Walk-around0EMPIRE SOUTHWEST LLC 44064AM21046/AZ
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
EMPIRE SOUTHWEST LLC44064Nov 16, 2023Jun 23, 202612AZ
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.
AM21046AZ1EMPIRE SOUTHWEST LLCNov 16, 2023Jun 23, 202612
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 18, 2026