Equipment unit · VIN-decoded · NHTSA vPIC

57J4482C4H3574284

Not yet decoded
Carriers run under2
21 mo
Inspections2
all-time
OOS inspections0
of 2
First seenApr 25, 2024
SC
Last seenJan 8, 2026
MS
Inspected under 2 different carriers in 21 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

This VIN has not been decoded yet — the unit's carrier, inspection and plate history below is reconstructed from the FMCSA inspection feed regardless.

Decode evidence & sources

Deterministic structure

These fields come directly from VIN positions and the published checksum calculation, with zero store IO.

World manufacturer identifier
57J

Deterministic · VIN positions 1–3.

Vehicle descriptor section
4482C

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1987 or 2017

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

North American serial sequence
574284

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
FONTAINE TRAILER CO.

Prefix basis · 11 decoded VINs at 100.0% prefix purity.

Model
Fontaine Trailer Co.

Prefix basis · 11 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.

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 · Apr 25, 2024 – Jan 8, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 8, 2026MSIII · Driver-only0MEGA TRUCKING LLC 2582238U701565/TN
Apr 25, 2024SCIII · Driver-only3METROMONT LLC 779702U701565/TN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MEGA TRUCKING LLC2582238Jan 8, 2026Jan 8, 20261FL
METROMONT LLC779702Apr 25, 2024Apr 25, 20241SC
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.
U701565TNMEGA TRUCKING LLCJan 8, 2026Jan 8, 20261
U701565TNMETROMONT LLCApr 25, 2024Apr 25, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC