Equipment unit · VIN-decoded · NHTSA vPIC

2018 Ttc

1T92S4522JB072791 · Trailer · TRAILER
Carriers run under3
23 mo
Inspections4
all-time
OOS inspections2
of 4
First seenMay 3, 2024
CA
Last seenApr 10, 2026
NM
Inspected under 3 different carriers in 23 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
1T92S4522JB072791
Make
Ttc
Model
TTC
Model year
2018
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 6, 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
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
1988 or 2018

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

North American serial sequence
072791

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
2018

Observed directly for this VIN via NHTSA vPIC.

Observed make
TTC

Observed directly for this VIN via NHTSA vPIC.

Observed model
TTC

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 · May 3, 2024 – Apr 10, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 10, 2026NMIII · Driver-only1TSB TRUCKING INC 41090924RK7539/CA
Aug 17, 2025ALIII · Driver-only9NP TRANS INC 30405294RK7539/CA
Apr 26, 2025ALIII · Driver-only5OOSNP TRANS INC 30405294RK7539/CA
May 3, 2024CAI · Full5OOSHJ TRANSPORT INC 32750634RK7439/CA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TSB TRUCKING INC4109092Apr 10, 2026Apr 10, 20261CA
NP TRANS INC3040529Apr 26, 2025Aug 17, 20252GA
HJ TRANSPORT INC3275063May 3, 2024May 3, 20241CA
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.
4RK7539CATSB TRUCKING INCApr 10, 2026Apr 10, 20261
4RK7539CANP TRANS INCApr 26, 2025Aug 17, 20252
4RK7439CAHJ TRANSPORT INCMay 3, 2024May 3, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 6, 2026