Equipment unit · VIN-decoded · NHTSA vPIC

2021 Ram 3500

3C7WRTCL4MG553794 · Incomplete - Chassis Cab (Single Cab) · INCOMPLETE VEHICLE
Carriers run under1
14 mo
Inspections6
all-time
OOS inspections0
of 6
First seenJul 6, 2023
CO
Last seenSep 10, 2024
CO
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
3C7WRTCL4MG553794
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 27, 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
WRTCL

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

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
553794

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 · 1,757 decoded VINs at 100.0% prefix purity.

Model
3500

Prefix basis · 1,757 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 · Jul 6, 2023 – Sep 10, 2024

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 10, 2024COI · Full0JC HOTSHOT SERVICE LLC 3778708AUJM37/CO
Jul 25, 2024COI · Full0JC HOTSHOT SERVICE LLC 3778708AUJM37/CO
Apr 2, 2024WYI · Full0JC HOTSHOT SERVICE LLC 3778708AUJM37/CO
Oct 20, 2023COI · Full0JC HOTSHOT SERVICE LLC 3778708AUJM37/CO
Sep 5, 2023COI · Full1JC HOTSHOT SERVICE LLC 3778708AUJM37/CO
Jul 6, 2023COI · Full0JC HOTSHOT SERVICE LLC 3778708AUJM37/CO
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
JC HOTSHOT SERVICE LLC3778708Jul 6, 2023Sep 10, 20246CO
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.
AUJM37COJC HOTSHOT SERVICE LLCJul 6, 2023Sep 10, 20246
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 27, 2026