Equipment unit · VIN-decoded · NHTSA vPIC

2021 Ttc

1T92S5027MB072979 · Trailer · TRAILER
Carriers run under2
14 mo
Inspections6
all-time
OOS inspections1
of 6
First seenJan 16, 2025
CA
Last seenMar 2, 2026
CA
Inspected under 2 different carriers in 14 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
1T92S5027MB072979
Make
Ttc
Model
TTC
Model year
2021
Body class
Trailer
Vehicle type
TRAILER
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
2S502

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1991 or 2021

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

North American serial sequence
072979

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 · 7 decoded VINs at 100.0% prefix purity.

Model
TTC

Prefix basis · 7 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
2021

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 · Jan 16, 2025 – Mar 2, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 2, 2026CAII · Walk-around2SERVIN TRANSPORT CORP 42026104VJ5997/CA
Jul 15, 2025CAIII · Driver-only1OPTIMUS TRANSPORT INC 28791374VJ5997/CA
Jun 11, 2025CAIII · Driver-only1OPTIMUS TRANSPORT INC 28791374VJ5997/CA
Jun 7, 2025CAII · Walk-around2OPTIMUS TRANSPORT INC 28791374VJ5997/CA
May 21, 2025CAII · Walk-around2OPTIMUS TRANSPORT INC 28791374VJ5997/CA
Jan 16, 2025CAII · Walk-around3OOSOPTIMUS TRANSPORT INC 28791374VJ5997/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SERVIN TRANSPORT CORP4202610Mar 2, 2026Mar 2, 20261CA
OPTIMUS TRANSPORT INC2879137Jan 16, 2025Jul 15, 20255CA
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.
4VJ5997CASERVIN TRANSPORT CORPMar 2, 2026Mar 2, 20261
4VJ5997CAOPTIMUS TRANSPORT INCJan 16, 2025Jul 15, 20255
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 22, 2026