Equipment unit · VIN-decoded · NHTSA vPIC

2015 Diamond C Trailer Mfg.

46UFU4027F1163407 · Trailer · TRAILER
Carriers run under2
4 mo
Inspections3
all-time
OOS inspections3
of 3
First seenDec 22, 2024
AR
Last seenApr 3, 2025
TX
Inspected under 2 different carriers in 4 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
46UFU4027F1163407
Make
Diamond C Trailer Mfg.
Model
Diamond C Trailer Mfg.
Model year
2015
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 8, 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
46U

Deterministic · VIN positions 1–3.

Vehicle descriptor section
FU402

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1985 or 2015

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

North American serial sequence
163407

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
ROADCLIPPER ENTERPRISES, INC.

Prefix basis · 213 decoded VINs at 95.3% prefix purity.

Model
Roadclipper Enterprises, Inc.

Prefix basis · 213 decoded VINs at 95.3% 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
2015

Observed directly for this VIN via NHTSA vPIC.

Observed make
DIAMOND C TRAILER MFG.

Observed directly for this VIN via NHTSA vPIC.

Observed model
Diamond C Trailer Mfg.

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 · Dec 22, 2024 – Apr 3, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 3, 2025TXII · Walk-around11OOSSTEADY MOVING 24 LLC 4182450580449M/TX
Feb 21, 2025TXII · Walk-around23OOSSPEARS FREIGHT LLC 3907111580449M/TX
Dec 22, 2024ARI · Full7OOSSTEADY MOVING 24 LLC 4182450580449M/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
STEADY MOVING 24 LLC4182450Dec 22, 2024Apr 3, 20252TX
SPEARS FREIGHT LLC3907111Feb 21, 2025Feb 21, 20251TX
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.
580449MTXSTEADY MOVING 24 LLCDec 22, 2024Apr 3, 20252
580449MTXSPEARS FREIGHT LLCFeb 21, 2025Feb 21, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 8, 2026