Equipment unit · VIN-decoded · NHTSA vPIC

2021 Ram 4500

3C7WRLFL2MG634773 · Incomplete - Chassis Cab (Single Cab) · INCOMPLETE VEHICLE
Cab type · Crew Cab
Carriers run under2
19 mo
Inspections5
all-time
OOS inspections2
of 5
First seenDec 18, 2024
TX
Last seenJul 29, 2026
TX
Inspected under 2 different carriers in 19 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
3C7WRLFL2MG634773
Make
Ram
Model
4500
Model year
2021
Body class
Incomplete - Chassis Cab (Single Cab)
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 4: 14,001 - 16,000 lb (6,350 - 7,258 kg)
Decoded at
Jul 31, 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
WRLFL

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

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
634773

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 · 219 decoded VINs at 100.0% prefix purity.

Model
4500

Prefix basis · 219 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
4500

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 4: 14,001 - 16,000 lb (6,350 - 7,258 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 · Dec 18, 2024 – Jul 29, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 29, 2026TXII · Walk-around3OOSSAW & UGALDE TRANSPORTATION LLC 35435381L34446/TX
Jul 23, 2026TXII · Walk-around4OOSSAW & UGALDE TRANSPORTATION LLC 35435381L34446/TX
Feb 26, 2026TXIII · Driver-only5SAW & UGALDE TRANSPORTATION LLC 35435381L34446/TX
Aug 2, 2025TXII · Walk-around0SAW & UGALDE TRANSPORTATION LLC 35435381L34446/TX
Dec 18, 2024TXII · Walk-around0Y&H LOGISTICS CORP 31880581L34446/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SAW & UGALDE TRANSPORTATION LLC3543538Aug 2, 2025Jul 29, 20264TX
Y&H LOGISTICS CORP3188058Dec 18, 2024Dec 18, 20241TX
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.
1L34446TX1SAW & UGALDE TRANSPORTATION LLCAug 2, 2025Jul 29, 20264
1L34446TXY&H LOGISTICS CORPDec 18, 2024Dec 18, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 31, 2026