Equipment unit · VIN-decoded · NHTSA vPIC

4V4NC9EH3HN994436

Not yet decoded
Carriers run under2
16 mo
Inspections2
all-time
OOS inspections1
of 2
First seenJan 16, 2025
CA
Last seenMay 5, 2026
MD
Inspected under 2 different carriers in 16 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
4V4

Deterministic · VIN positions 1–3.

Vehicle descriptor section
NC9EH

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

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
994436

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
VOLVO TRUCK

Prefix basis · 51,900 decoded VINs at 100.0% prefix purity.

Model
VNL

Prefix basis · 51,900 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 · Jan 16, 2025 – May 5, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 5, 2026MDII · Walk-around4OOSECO TRANSPORTATION LLC 3528576977F13/MD
Jan 16, 2025CAII · Walk-around2MERCER TRANSPORTATION COMPANY INC 1547123455449/IN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ECO TRANSPORTATION LLC3528576May 5, 2026May 5, 20261MD
MERCER TRANSPORTATION COMPANY INC154712Jan 16, 2025Jan 16, 20251KY
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.
977F13MDECO TRANSPORTATION LLCMay 5, 2026May 5, 20261
3455449INMERCER TRANSPORTATION COMPANY INCJan 16, 2025Jan 16, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC