Equipment unit · VIN-decoded · NHTSA vPIC

2021 Ram 3500

3C63RRNL1MG567742 · Pickup · TRUCK
Carriers run under1
15 mo
Inspections3
all-time
OOS inspections2
of 3
First seenMar 21, 2025
WY
Last seenJun 15, 2026
MT
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
3C63RRNL1MG567742
Make
Ram
Model
3500
Model year
2021
Body class
Pickup
Vehicle type
TRUCK
GVWR
Class 3: 10,001 - 14,000 lb (4,536 - 6,350 kg)
Decoded at
Aug 2, 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
3C6

Deterministic · VIN positions 1–3.

Vehicle descriptor section
3RRNL

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

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
567742

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 · 120 decoded VINs at 100.0% prefix purity.

Model
3500

Prefix basis · 120 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.

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
2021

Observed directly for this VIN via NHTSA vPIC.

Observed make
RAM

Observed directly for this VIN via NHTSA vPIC.

Observed model
3500

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Pickup

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRUCK

Observed directly for this VIN via NHTSA vPIC.

GVWR
Class 3: 10,001 - 14,000 lb (4,536 - 6,350 kg)

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 · Mar 21, 2025 – Jun 15, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 15, 2026MTIII · Driver-only2OOSAROCK SERVICES LLC 256435317T144B/WY
Feb 13, 2026WYI · Full4AROCK SERVICES LLC 256435317144B/WY
Mar 21, 2025WYI · Full14OOSAROCK SERVICES LLC 256435317-32857/WY
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
AROCK SERVICES LLC2564353Mar 21, 2025Jun 15, 20263WY
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.
17T144BWY1AROCK SERVICES LLCJun 15, 2026Jun 15, 20261
17144BWYAROCK SERVICES LLCFeb 13, 2026Feb 13, 20261
17-32857WYAROCK SERVICES LLCMar 21, 2025Mar 21, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 2, 2026