Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 337

2NP2HM6X1MM735326 · Truck · INCOMPLETE VEHICLE
Carriers run under2
10 mo
Inspections4
all-time
OOS inspections0
of 4
First seenMar 25, 2024
IL
Last seenJan 10, 2025
IL
Inspected under 2 different carriers in 10 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
2NP2HM6X1MM735326
Make
Peterbilt
Model
337
Model year
2021
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 6: 19,501 - 26,000 lb (8,845 - 11,794 kg)
Decoded at
Jul 12, 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
2NP

Deterministic · VIN positions 1–3.

Vehicle descriptor section
2HM6X

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
735326

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.

Not established

No supported platform claim is established for this prefix

The resolver answered successfully but returned no row above the evidence floor. This does not mean the vehicle has no platform or that no data exists; it means this store cannot make the claim.

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
PETERBILT

Observed directly for this VIN via NHTSA vPIC.

Observed model
337

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Truck

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
INCOMPLETE VEHICLE

Observed directly for this VIN via NHTSA vPIC.

GVWR
Class 6: 19,501 - 26,000 lb (8,845 - 11,794 kg)

Observed directly for this VIN via NHTSA vPIC.

Not established

  • platform make
  • platform model
  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Mar 25, 2024 – Jan 10, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 10, 2025ILII · Walk-around2GPE GREAT LAKES LLC 4288879182401H/IL
Apr 29, 2024ILIII · Driver-only4JOE & ROSS ICE CREAM 1869564182401H/IL
Apr 19, 2024ILII · Walk-around0JOE & ROSS ICE CREAM 1869564182401H/IL
Mar 25, 2024ILI · Full5JOE & ROSS ICE CREAM 1869564182401H/IL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GPE GREAT LAKES LLC4288879Jan 10, 2025Jan 10, 20251IL
JOE & ROSS ICE CREAM1869564Mar 25, 2024Apr 29, 20243IL
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.
182401HILGPE GREAT LAKES LLCJan 10, 2025Jan 10, 20251
182401HIL1JOE & ROSS ICE CREAMMar 25, 2024Apr 29, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 12, 2026