Equipment unit · VIN-decoded · NHTSA vPIC

2021 Ram 3500

3C7WRSBL5MG539348 · Incomplete - Chassis Cab (Single Cab) · INCOMPLETE VEHICLE
Carriers run under2
25 mo
Inspections14
all-time
OOS inspections0
of 14
First seenApr 2, 2024
NC
Last seenMay 28, 2026
OH
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

VIN
3C7WRSBL5MG539348
Make
Ram
Model
3500
Model year
2021
Body class
Incomplete - Chassis Cab (Single Cab)
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 3: 10,001 - 14,000 lb (4,536 - 6,350 kg)
Decoded at
Jun 16, 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
3C7

Deterministic · VIN positions 1–3.

Vehicle descriptor section
WRSBL

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

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
539348

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 · 275 decoded VINs at 100.0% prefix purity.

Model
3500

Prefix basis · 275 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
Incomplete - Chassis Cab (Single Cab)

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
INCOMPLETE VEHICLE

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 · Apr 2, 2024 – May 28, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 28, 2026OHIII · Driver-only0INDIGO AUTO LLC 4521957ZYX8946/PA
Apr 28, 2026ARIII · Driver-only0INDIGO AUTO LLC 4521957ZYX8946/PA
Dec 10, 2025OHIII · Driver-only1TOPU AUTO LLC 4166407ZYX8946/PA
Nov 4, 2025NCIII · Driver-only0TOPU AUTO LLC 4166407ZYX8946/PA
Mar 3, 2025TNI · Full0TOPU AUTO LLC 4166407ZWZ8739/PA
Feb 28, 2025NCI · Full1TOPU AUTO LLC 4166407ZWZ8739P/PA
Feb 18, 2025TNI · Full0TOPU AUTO LLC 4166407ZWZ8739/PA
Dec 4, 2024NCI · Full0TOPU AUTO LLC 4166407ZWZ8739/PA
Nov 25, 2024VAI · Full1TOPU AUTO LLC 4166407ZWZ8739/PA
Nov 14, 2024TNI · Full0TOPU AUTO LLC 4166407ZWZ8739/PA
Oct 18, 2024ARI · Full1TOPU AUTO LLC 4166407ZWZ8739/PA
Jun 18, 2024NCIII · Driver-only0TOPU AUTO LLC 4166407ZWZ8739/PA
Apr 25, 2024TNI · Full1TOPU AUTO LLC 4166407ZWZ8739/PA
Apr 2, 2024NCI · Full0TOPU AUTO LLC 4166407ZWZ8739/PA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
INDIGO AUTO LLC4521957Apr 28, 2026May 28, 20262NY
TOPU AUTO LLC4166407Apr 2, 2024Dec 10, 202512PA
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.
ZYX8946PAINDIGO AUTO LLCApr 28, 2026May 28, 20262
ZYX8946PATOPU AUTO LLCNov 4, 2025Dec 10, 20252
ZWZ8739PATOPU AUTO LLCApr 2, 2024Mar 3, 20259
ZWZ8739PPATOPU AUTO LLCFeb 28, 2025Feb 28, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026