Equipment unit · VIN-decoded · NHTSA vPIC

2017 Peterbilt 337

2XP2AJ8X4HM431113 · Truck-Tractor · TRUCK
Carriers run under2
13 mo
Inspections25
all-time
OOS inspections1
of 25
First seenMar 11, 2025
AZ
Last seenApr 20, 2026
US
Inspected under 2 different carriers in 13 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
2XP2AJ8X4HM431113
Make
Peterbilt
Model
337
Model year
2017
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 14, 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
2XP

Deterministic · VIN positions 1–3.

Vehicle descriptor section
2AJ8X

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1987 or 2017

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
431113

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
PETERBILT

Prefix basis · 18 decoded VINs at 100.0% prefix purity.

Model
337

Prefix basis · 18 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
2017

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-Tractor

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRUCK

Observed directly for this VIN via NHTSA vPIC.

GVWR
Class 8: 33,001 lb and above (14,969 kg and above)

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 · Mar 11, 2025 – Apr 20, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 20, 2026USI · Full4ALFONSO GRIJALVA GRACIA 98885711ET1L/MX
Apr 6, 2026USI · Full2ALFONSO GRIJALVA GRACIA 98885711ET1L/MX
Mar 17, 2026USI · Full6ALFONSO GRIJALVA GRACIA 98885711ET1L/MX
Mar 10, 2026USII · Walk-around4ALFONSO GRIJALVA GRACIA 98885711ET1L/MX
Mar 5, 2026USI · Full3ALFONSO GRIJALVA GRACIA 98885711ET1L/MX
Mar 2, 2026USII · Walk-around1ALFONSO GRIJALVA GRACIA 98885711ET1L/MX
Feb 27, 2026USI · Full2ALFONSO GRIJALVA GRACIA 98885711ET1L/MX
Feb 25, 2026USII · Walk-around0ALFONSO GRIJALVA GRACIA 98885711ET1L/MX
Feb 24, 2026USII · Walk-around3ALFONSO GRIJALVA GRACIA 98885711ET1L/MX
Feb 23, 2026USI · Full0ALFONSO GRIJALVA GRACIA 98885711ET1L/MX
Feb 16, 2026USII · Walk-around2ALFONSO GRIJALVA GRACIA 98885711ET1L/MX
Feb 6, 2026USI · Full6ALFONSO GRIJALVA GRACIA 98885711ET1L/MX
Jan 26, 2026USI · Full3ALFONSO GRIJALVA GRACIA 98885711ET1L/MX
Jan 13, 2026USIII · Driver-only1ALFONSO GRIJALVA GRACIA 98885711ET1L/MX
Jan 12, 2026USI · Full0ALFONSO GRIJALVA GRACIA 98885711ET1L/MX
Jan 5, 2026USI · Full6ALFONSO GRIJALVA GRACIA 98885711ET1L/MX
Dec 10, 2025USI · Full5ALFONSO GRIJALVA GRACIA 98885711ET1L/MX
Dec 9, 2025USI · Full8ALFONSO GRIJALVA GRACIA 98885711ET1L/MX
Dec 5, 2025USI · Full8OOSALFONSO GRIJALVA GRACIA 98885711ET1L/MX
Dec 4, 2025USII · Walk-around2ALFONSO GRIJALVA GRACIA 98885711ET1L/MX
Nov 13, 2025USII · Walk-around4ALFONSO GRIJALVA GRACIA 98885711ET1L/MX
Nov 12, 2025USI · Full7ALFONSO GRIJALVA GRACIA 98885711ET1L/MX
Nov 8, 2025AZII · Walk-around2ALFONSO GRIJALVA GRACIA 988857DGA4J3/AZ
Nov 6, 2025USI · Full5ALFONSO GRIJALVA GRACIA 98885711ET1L/MX
Mar 11, 2025AZIII · Driver-only0TUCSON CONTAINER CORPORATION 1744302CK04553/AZ
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ALFONSO GRIJALVA GRACIA988857Nov 6, 2025Apr 20, 202624SO
TUCSON CONTAINER CORPORATION1744302Mar 11, 2025Mar 11, 20251AZ
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.
11ET1LMX1ALFONSO GRIJALVA GRACIANov 6, 2025Apr 20, 202623
DGA4J3AZALFONSO GRIJALVA GRACIANov 8, 2025Nov 8, 20251
CK04553AZTUCSON CONTAINER CORPORATIONMar 11, 2025Mar 11, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026