Equipment unit · VIN-decoded · NHTSA vPIC

2021 Ram 5500

3C7WRNFL0MG612721 · Incomplete - Chassis Cab (Single Cab) · INCOMPLETE VEHICLE
Cab type · Crew Cab
Carriers run under2
25 mo
Inspections11
all-time
OOS inspections1
of 11
First seenAug 11, 2023
TN
Last seenSep 4, 2025
SC
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
3C7WRNFL0MG612721
Make
Ram
Model
5500
Model year
2021
Body class
Incomplete - Chassis Cab (Single Cab)
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 5: 16,001 - 19,500 lb (7,258 - 8,845 kg)
Decoded at
Jun 18, 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
WRNFL

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

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
612721

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.

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
5500

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 5: 16,001 - 19,500 lb (7,258 - 8,845 kg)

Observed directly for this VIN via NHTSA vPIC.

VIN-level rule claims

Rules published for individual VIN positions beyond the prefix — applied with the WMI, prefix, and model-year guards each rule was validated under. Year-scoped rules were checked against model year 2021, established by the federal observation agreeing with a position-10 candidate.

Cab type
Crew Cab

Manufacturer-published position rule · WMI/prefix/year guards applied by the store.

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 · Aug 11, 2023 – Sep 4, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 4, 2025SCII · Walk-around6OOSJM LANES LLC 4289743K202552/TX
Jun 21, 2024TNI · Full0DSK LOGISTICS LLC 3426759R562119/TX
Apr 26, 2024TNIII · Driver-only0DSK LOGISTICS LLC 3426759R562119/TX
Mar 29, 2024LAI · Full0DSK LOGISTICS LLC 3426759R562119/TX
Mar 25, 2024TNI · Full1DSK LOGISTICS LLC 3426759R562119/TX
Jan 24, 2024MIIII · Driver-only2DSK LOGISTICS LLC 3426759R562119/TX
Nov 18, 2023TNI · Full0DSK LOGISTICS LLC 3426759R562119/TX
Oct 20, 2023ILIII · Driver-only0DSK LOGISTICS LLC 3426759R562119/TX
Sep 23, 2023OKI · Full0DSK LOGISTICS LLC 3426759R562119/TX
Aug 26, 2023TNI · Full0DSK LOGISTICS LLC 3426759R562119/TX
Aug 11, 2023TNIII · Driver-only0DSK LOGISTICS LLC 3426759R562119/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
JM LANES LLC4289743Sep 4, 2025Sep 4, 20251TX
DSK LOGISTICS LLC3426759Aug 11, 2023Jun 21, 202410TX
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.
K202552TXJM LANES LLCSep 4, 2025Sep 4, 20251
R562119TXDSK LOGISTICS LLCAug 11, 2023Jun 21, 202410
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 18, 2026