Equipment unit · VIN-decoded · NHTSA vPIC

3C7WRLALXMG684523

Not yet decoded
Carriers run under1
30 mo
Inspections2
all-time
OOS inspections2
of 2
First seenJul 28, 2023
NJ
Last seenJan 17, 2026
NJ
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
WRLAL

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1991 or 2021

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

North American serial sequence
684523

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 · 139 decoded VINs at 100.0% prefix purity.

Model
4500

Prefix basis · 139 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 · Jul 28, 2023 – Jan 17, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 17, 2026NJI · Full5OOSULTIMATE PLUMBING HEATING AND AIR CONDITIONING LLC 3240896ZSK7834/PA
Jul 28, 2023NJI · Full5OOSULTIMATE PLUMBING HEATING AND AIR CONDITIONING LLC 3240896ZSK7834/PA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ULTIMATE PLUMBING HEATING AND AIR CONDITIONING LLC3240896Jul 28, 2023Jan 17, 20262PA
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.
ZSK7834PAULTIMATE PLUMBING HEATING AND AIR CONDITIONING LLCJul 28, 2023Jan 17, 20262
Sources: FMCSA SAFER · L&I · NHTSA vPIC