Equipment unit · VIN-decoded · NHTSA vPIC

1T92S452X4B073109

Not yet decoded
Carriers run under3
26 mo
Inspections6
all-time
OOS inspections1
of 6
First seenJun 20, 2023
CA
Last seenAug 12, 2025
CA
Inspected under 3 different carriers in 26 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
1T92S452X4B073109
Make
Not decoded
Model
Not decoded
Model year
Body class
Not decoded
Vehicle type
Not decoded
GVWR
Not decoded
Decoded at
Jun 22, 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
1T9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
2S452

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
2004 or 2034

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

North American serial sequence
073109

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
TTC

Prefix basis · 16 decoded VINs at 100.0% prefix purity.

Model
TTC

Prefix basis · 16 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 · Jun 20, 2023 – Aug 12, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 12, 2025CAII · Walk-around6SPI TRANSPORTATION INC 44429334MW2329/CA
Jul 14, 2025CAII · Walk-around4MARIN TRUCKING LLC 28663954MW2329/CA
Feb 27, 2025CAI · Full2JIM FRIEBEL TRUCKING INC 27412874MW2329/CA
Apr 10, 2024CAI · Full0MARIN TRUCKING LLC 28663954MW2329/CA
Apr 9, 2024CAII · Walk-around4OOSMARIN TRUCKING LLC 28663954MW2329/CA
Jun 20, 2023CAII · Walk-around2MARIN TRUCKING LLC 28663954MW2329/CA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SPI TRANSPORTATION INC4442933Aug 12, 2025Aug 12, 20251CA
MARIN TRUCKING LLC2866395Jun 20, 2023Jul 14, 20254CA
JIM FRIEBEL TRUCKING INC2741287Feb 27, 2025Feb 27, 20251CA
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.
4MW2329CASPI TRANSPORTATION INCAug 12, 2025Aug 12, 20251
4MW2329CAMARIN TRUCKING LLCJun 20, 2023Jul 14, 20254
4MW2329CAJIM FRIEBEL TRUCKING INCFeb 27, 2025Feb 27, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 22, 2026