Equipment unit · VIN-decoded · NHTSA vPIC

1A9BP3028WC411116

Not yet decoded
Carriers run under2
29 mo
Inspections2
all-time
OOS inspections1
of 2
First seenOct 16, 2023
CA
Last seenMar 27, 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

This VIN has not been decoded yet — the unit's carrier, inspection and plate history below is reconstructed from the FMCSA inspection feed regardless.

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
BP302

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1998 or 2028

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

North American serial sequence
411116

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.

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 · Oct 16, 2023 – Mar 27, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 27, 2026CAII · Walk-around4NEW GENERATION AGGREGATE TRANSPORT INC 34657454BL7025/CA
Oct 16, 2023CAIII · Driver-only6OOSS & B TRUCKING SERVICES INC 28659914BL7025/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
NEW GENERATION AGGREGATE TRANSPORT INC3465745Mar 27, 2026Mar 27, 20261CA
S & B TRUCKING SERVICES INC2865991Oct 16, 2023Oct 16, 20231CA
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.
4BL7025CANEW GENERATION AGGREGATE TRANSPORT INCMar 27, 2026Mar 27, 20261
4BL7025CAS & B TRUCKING SERVICES INCOct 16, 2023Oct 16, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC