Equipment unit · VIN-decoded · NHTSA vPIC

1A9BS2011SC152477

Not yet decoded
Carriers run under2
33 mo
Inspections4
all-time
OOS inspections1
of 4
First seenJul 24, 2023
CA
Last seenApr 17, 2026
CA
Inspected under 2 different carriers in 33 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
1A9BS2011SC152477
Make
Not decoded
Model
Not decoded
Model year
Body class
Not decoded
Vehicle type
Not decoded
GVWR
Not decoded
Decoded at
Jul 5, 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
1A9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
BS201

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1995 or 2025

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

North American serial sequence
152477

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
ALLCO TRAILER MANUFACTURING

Prefix basis · 3 decoded VINs at 100.0% prefix purity.

Model
Allco Trailer Manufacturing

Prefix basis · 3 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
Not established

Observed directly for this VIN via NHTSA vPIC.

Observed make
Not established

Observed directly for this VIN via NHTSA vPIC.

Observed model
Not established

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Not established

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
Not established

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 · Jul 24, 2023 – Apr 17, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 17, 2026CAV · Vehicle-only3JC CHAVEZ TRUCKING INC 35959954UL8961/CA
Dec 20, 2025CAV · Vehicle-only2OOSJC CHAVEZ TRUCKING INC 35959954UL8961/CA
Jul 31, 2023CAI · Full0GUMBY TRANSPORT LLC 27545314UL8961/CA
Jul 24, 2023CAI · Full4GUMBY TRANSPORT LLC 27545314UL8961/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
JC CHAVEZ TRUCKING INC3595995Dec 20, 2025Apr 17, 20262CA
GUMBY TRANSPORT LLC2754531Jul 24, 2023Jul 31, 20232CA
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.
4UL8961CAJC CHAVEZ TRUCKING INCDec 20, 2025Apr 17, 20262
4UL8961CAGUMBY TRANSPORT LLCJul 24, 2023Jul 31, 20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 5, 2026