Equipment unit · VIN-decoded · NHTSA vPIC

3C7WRNFLXJG397747

Not yet decoded
Carriers run under2
25 mo
Inspections2
all-time
OOS inspections0
of 2
First seenSep 5, 2023
CA
Last seenOct 30, 2025
CA
Inspected under 2 different carriers in 25 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
3C7

Deterministic · VIN positions 1–3.

Vehicle descriptor section
WRNFL

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1988 or 2018

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

North American serial sequence
397747

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
RAM

Prefix basis · 1,227 decoded VINs at 100.0% prefix purity.

Model
5500

Prefix basis · 1,227 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 · Sep 5, 2023 – Oct 30, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 30, 2025CAIII · Driver-only1ARBORWORKS LLC 170783127560R2/CA
Sep 5, 2023CAIII · Driver-only0MARIO'S TREE SERVICE INC 258323327560R2/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ARBORWORKS LLC1707831Oct 30, 2025Oct 30, 20251CA
MARIO'S TREE SERVICE INC2583233Sep 5, 2023Sep 5, 20231CA
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.
27560R2CAARBORWORKS LLCOct 30, 2025Oct 30, 20251
27560R2CAMARIO'S TREE SERVICE INCSep 5, 2023Sep 5, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC