Equipment unit · VIN-decoded · NHTSA vPIC

2004 Construction Trailer Specialists

1C93432244S770174 · Trailer · TRAILER
Carriers run under1
28 mo
Inspections8
all-time
OOS inspections5
of 8
First seenJul 12, 2023
TX
Last seenNov 5, 2025
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1C93432244S770174
Make
Construction Trailer Specialists
Model
CONSTRUCTION TRAILER SPECIALISTS
Model year
2004
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 21, 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
1C9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
34322

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

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
770174

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
CONSTRUCTION TRAILER SPECIALISTS

Prefix basis · 130 decoded VINs at 100.0% prefix purity.

Model
CONSTRUCTION TRAILER SPECIALISTS

Prefix basis · 130 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
2004

Observed directly for this VIN via NHTSA vPIC.

Observed make
CONSTRUCTION TRAILER SPECIALISTS

Observed directly for this VIN via NHTSA vPIC.

Observed model
CONSTRUCTION TRAILER SPECIALISTS

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 · Jul 12, 2023 – Nov 5, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 5, 2025TXII · Walk-around5OOSZT EQUIPMENT LLC 2370806CS7367/OK
Dec 30, 2024TXII · Walk-around9ZT EQUIPMENT LLC 2370806CS7367/OK
Apr 25, 2024TXI · Full4ZT EQUIPMENT LLC 2370806BZ3528/OK
Mar 15, 2024TXII · Walk-around3OOSZT EQUIPMENT LLC 2370806BZ3528/OK
Feb 29, 2024TXII · Walk-around6OOSZT EQUIPMENT LLC 2370806CS7367/OK
Dec 9, 2023TXI · Full10OOSZT EQUIPMENT LLC 2370806CS7367/OK
Sep 28, 2023TXII · Walk-around2OOSZT EQUIPMENT LLC 2370806CS7367/OK
Jul 12, 2023TXII · Walk-around0ZT EQUIPMENT LLC 2370806CS7367/OK
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ZT EQUIPMENT LLC2370806Jul 12, 2023Nov 5, 20258TX
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.
CS7367OKZT EQUIPMENT LLCJul 12, 2023Nov 5, 20256
BZ3528OKZT EQUIPMENT LLCMar 15, 2024Apr 25, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026