Equipment unit · VIN-decoded · NHTSA vPIC

2011 Western Trailer Company

5DN164821BB000667 · Trailer · TRAILER
Carriers run under2
29 mo
Inspections16
all-time
OOS inspections1
of 16
First seenJan 26, 2024
CA
Last seenJun 25, 2026
CA
Inspected under 2 different carriers in 29 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
5DN164821BB000667
Make
Western Trailer Company
Model
Western Trailer Company
Model year
2011
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 16, 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
5DN

Deterministic · VIN positions 1–3.

Vehicle descriptor section
16482

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1981 or 2011

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

North American serial sequence
000667

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 TRAILER COMPANY

Prefix basis · 146 decoded VINs at 100.0% prefix purity.

Model
Western Trailer Company

Prefix basis · 146 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
2011

Observed directly for this VIN via NHTSA vPIC.

Observed make
WESTERN TRAILER COMPANY

Observed directly for this VIN via NHTSA vPIC.

Observed model
Western Trailer Company

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Trailer

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRAILER

Observed directly for this VIN via NHTSA vPIC.

GVWR
Not established

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 · Jan 26, 2024 – Jun 25, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 25, 2026CAII · Walk-around0MICHAEL L WOFFORD 892869HV85550/OR
May 12, 2026CAI · Full2MICHAEL L WOFFORD 892869HV85550/OR
Jan 18, 2026CAI · Full0MICHAEL L WOFFORD 892869HV85550/OR
Dec 29, 2025CAII · Walk-around0MICHAEL L WOFFORD 892869AV8550/OR
Sep 2, 2025CAI · Full0MICHAEL L WOFFORD 892869HV85550/OR
Jul 16, 2025CAI · Full2MICHAEL L WOFFORD 892869HV85550/OR
Jun 25, 2025CAII · Walk-around0MICHAEL L WOFFORD 892869HV85550/OR
May 13, 2025CAII · Walk-around0MICHAEL L WOFFORD 892869HV85550/OR
Apr 30, 2025ORII · Walk-around0MICHAEL L WOFFORD 892869HV85550/OR
Apr 8, 2025CAI · Full1MICHAEL L WOFFORD 892869HV85550/OR
Jan 31, 2025CAIII · Driver-only1SPRINTER TRUCKING INC 605418HV85550/OR
Oct 7, 2024CAI · Full0SPRINTER TRUCKING INC 605418HV85550/OR
Oct 6, 2024CAI · Full1OOSSPRINTER TRUCKING INC 605418HV85550/OR
Oct 1, 2024CAII · Walk-around0SPRINTER TRUCKING INC 605418HV85550/OR
May 12, 2024CAI · Full0SPRINTER TRUCKING INC 605418HV85550/OR
Jan 26, 2024CAI · Full0SPRINTER TRUCKING INC 605418HV85550/OR
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MICHAEL L WOFFORD892869Apr 8, 2025Jun 25, 202610OR
SPRINTER TRUCKING INC605418Jan 26, 2024Jan 31, 20256OR
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.
HV85550OR2MICHAEL L WOFFORDApr 8, 2025Jun 25, 20269
AV8550ORMICHAEL L WOFFORDDec 29, 2025Dec 29, 20251
HV85550ORSPRINTER TRUCKING INCJan 26, 2024Jan 31, 20256
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026