Equipment unit · VIN-decoded · NHTSA vPIC

2021 Cal-Tex Trailers

4C9FF4023MM546073 · TRAILER
Carriers run under2
15 mo
Inspections6
all-time
OOS inspections3
of 6
First seenApr 24, 2024
KY
Last seenJul 24, 2025
IL
Inspected under 2 different carriers in 15 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
4C9FF4023MM546073
Make
Cal-Tex Trailers
Model
Not decoded
Model year
2021
Body class
Not decoded
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 24, 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
4C9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
FF402

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

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
546073

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.

Not established

No supported platform claim is established for this prefix

The resolver answered successfully but returned no row above the evidence floor. This does not mean the vehicle has no platform or that no data exists; it means this store cannot make the claim.

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
CAL-TEX TRAILERS

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
TRAILER

Observed directly for this VIN via NHTSA vPIC.

GVWR
Not established

Observed directly for this VIN via NHTSA vPIC.

Not established

  • platform make
  • platform model
  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Apr 24, 2024 – Jul 24, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 24, 2025ILI · Full12OOSSPEEDY ROAD RIDERS LLC 4232855899340M/TX
Jul 2, 2025NMI · Full2SPEEDY ROAD RIDERS LLC 4232855899340M/TX
May 28, 2025IAII · Walk-around7OOSSPEEDY ROAD RIDERS LLC 4232855899340M/TX
Oct 18, 2024MOII · Walk-around11OOSSPEEDY ROAD RIDERS LLC 4232855899340M/TX
Apr 30, 2024ALI · Full1TAMPS TRANSPORT CORP 388575977711TRL/NM
Apr 24, 2024KYI · Full0TAMPS TRANSPORT CORP 388575977711TRL/NM
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SPEEDY ROAD RIDERS LLC4232855Oct 18, 2024Jul 24, 20254TX
TAMPS TRANSPORT CORP3885759Apr 24, 2024Apr 30, 20242IN
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.
899340MTXSPEEDY ROAD RIDERS LLCOct 18, 2024Jul 24, 20254
77711TRLNMTAMPS TRANSPORT CORPApr 24, 2024Apr 30, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026