Equipment unit · VIN-decoded · NHTSA vPIC

2001 Western Star 5900

2WKRDDXJ11K970927 · Truck-Tractor · TRUCK
Carriers run under1
26 mo
Inspections36
all-time
OOS inspections13
of 36
First seenAug 15, 2023
NM
Last seenOct 2, 2025
US
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
2WKRDDXJ11K970927
Make
Western Star
Model
5900
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 14, 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
2WK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
RDDXJ

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

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
970927

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
WESTERN STAR

Prefix basis · 4 decoded VINs at 100.0% prefix purity.

Model
5900

Prefix basis · 4 decoded VINs at 100.0% prefix purity.

Model line
Not established

No sourced model-line label is established.

No source established for this field.

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
WESTERN STAR

Observed directly for this VIN via NHTSA vPIC.

Observed model
5900

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

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Aug 15, 2023 – Oct 2, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 2, 2025USI · Full2BULK TRANSFER INT S DE RL DE CV 335958166ER5N/MX
Apr 29, 2025USI · Full5OOSBULK TRANSFER INT S DE RL DE CV 335958166ER5N/MX
Apr 29, 2025NMII · Walk-around0BULK TRANSFER INT S DE RL DE CV 335958166ER5N/MX
Mar 20, 2025USI · Full1BULK TRANSFER INT S DE RL DE CV 335958166ER5N/MX
Mar 7, 2025NMIII · Driver-only0BULK TRANSFER INT S DE RL DE CV 335958166ER5N/CH
Feb 27, 2025NMII · Walk-around0BULK TRANSFER INT S DE RL DE CV 335958166ER5N/MX
Feb 25, 2025USI · Full5OOSBULK TRANSFER INT S DE RL DE CV 335958166ER5N/CI
Feb 12, 2025NMIII · Driver-only0BULK TRANSFER INT S DE RL DE CV 335958166ER5N/MX
Jan 22, 2025NMII · Walk-around0BULK TRANSFER INT S DE RL DE CV 335958166ER5N/CH
Dec 16, 2024USI · Full2OOSBULK TRANSFER INT S DE RL DE CV 335958166ER5N/CI
Dec 6, 2024NMII · Walk-around0BULK TRANSFER INT S DE RL DE CV 335958166ER5N/CH
Nov 29, 2024NMII · Walk-around1BULK TRANSFER INT S DE RL DE CV 335958166ER5N/CH
Nov 26, 2024NMII · Walk-around0BULK TRANSFER INT S DE RL DE CV 335958166ER5N/MX
Sep 26, 2024USI · Full1OOSBULK TRANSFER INT S DE RL DE CV 335958166ER5N/MX
Sep 13, 2024USIII · Driver-only0BULK TRANSFER INT S DE RL DE CV 335958166ER5N/MX
Sep 10, 2024NMII · Walk-around0BULK TRANSFER INT S DE RL DE CV 335958166ER5N/MX
Aug 21, 2024NMIII · Driver-only0BULK TRANSFER INT S DE RL DE CV 335958166ER5N/MX
Jul 3, 2024NMIII · Driver-only0BULK TRANSFER INT S DE RL DE CV 335958166ER5N/MX
Jun 21, 2024USIII · Driver-only0BULK TRANSFER INT S DE RL DE CV 335958166ER5N/MX
Apr 17, 2024NMIII · Driver-only0BULK TRANSFER INT S DE RL DE CV 335958166ER5N/MX
Apr 4, 2024NMII · Walk-around2BULK TRANSFER INT S DE RL DE CV 335958166ER5N/MX
Apr 2, 2024NMII · Walk-around1BULK TRANSFER INT S DE RL DE CV 335958166ER5N/CH
Mar 28, 2024NMII · Walk-around0BULK TRANSFER INT S DE RL DE CV 335958166ER5N/MX
Mar 20, 2024USI · Full3OOSBULK TRANSFER INT S DE RL DE CV 335958166ER5N/MX
Mar 13, 2024NMI · Full3OOSBULK TRANSFER INT S DE RL DE CV 335958166ER5N/CH
Feb 29, 2024NMII · Walk-around0BULK TRANSFER INT S DE RL DE CV 335958166ER5N/MX
Feb 27, 2024USI · Full2OOSBULK TRANSFER INT S DE RL DE CV 335958166ER5N/CI
Feb 9, 2024USI · Full4OOSBULK TRANSFER INT S DE RL DE CV 335958166ER5N/MX
Feb 1, 2024NMII · Walk-around2BULK TRANSFER INT S DE RL DE CV 335958166ER5N/MX
Jan 29, 2024NMI · Full5OOSBULK TRANSFER INT S DE RL DE CV 335958166ER5N/CH
Jan 15, 2024NMI · Full3OOSBULK TRANSFER INT S DE RL DE CV 335958166ER5N/CH
Jan 3, 2024USI · Full5OOSBULK TRANSFER INT S DE RL DE CV 335958166ER5N/CI
Dec 27, 2023NMII · Walk-around0BULK TRANSFER INT S DE RL DE CV 335958166ER5N/MX
Oct 26, 2023USI · Full4OOSBULK TRANSFER INT S DE RL DE CV 335958166ER5N/MX
Aug 29, 2023NMI · Full4BULK TRANSFER INT S DE RL DE CV 335958166ER5N/CH
Aug 15, 2023NMI · Full4OOSBULK TRANSFER INT S DE RL DE CV 335958166ER5N/CH
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BULK TRANSFER INT S DE RL DE CV3359581Aug 15, 2023Oct 2, 202536CI
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.
66ER5NMXBULK TRANSFER INT S DE RL DE CVOct 26, 2023Oct 2, 202522
66ER5NCHBULK TRANSFER INT S DE RL DE CVAug 15, 2023Mar 7, 202510
66ER5NCIBULK TRANSFER INT S DE RL DE CVJan 3, 2024Feb 25, 20254
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026