Equipment unit · VIN-decoded · NHTSA vPIC

2007 Peterbilt 357

1NPALB0X87N733956 · Truck · INCOMPLETE VEHICLE
Carriers run under1
36 mo
Inspections6
all-time
OOS inspections0
of 6
First seenJul 12, 2023
MD
Last seenJul 20, 2026
WV
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1NPALB0X87N733956
Make
Peterbilt
Model
357
Model year
2007
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 28, 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
1NP

Deterministic · VIN positions 1–3.

Vehicle descriptor section
ALB0X

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
2007 or 2037

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

North American serial sequence
733956

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 · 106 decoded VINs at 100.0% prefix purity.

Model
357

Prefix basis · 106 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
2007

Observed directly for this VIN via NHTSA vPIC.

Observed make
PETERBILT

Observed directly for this VIN via NHTSA vPIC.

Observed model
357

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 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 · Jul 12, 2023 – Jul 20, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 20, 2026WVIII · Driver-only1SHAFFER CONSTRUCTION COMPANY INC 468864170ED43/MD
Apr 20, 2026MDII · Walk-around2SHAFFER CONSTRUCTION COMPANY INC 468864170ED43/MD
Feb 21, 2024MDII · Walk-around0SHAFFER CONSTRUCTION COMPANY INC 468864170ED43/MD
Nov 8, 2023MDII · Walk-around1SHAFFER CONSTRUCTION COMPANY INC 468864170ED43/MD
Jul 21, 2023MDII · Walk-around0SHAFFER CONSTRUCTION COMPANY INC 468864170ED43/MD
Jul 12, 2023MDII · Walk-around0SHAFFER CONSTRUCTION COMPANY INC 468864170ED43/MD
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SHAFFER CONSTRUCTION COMPANY INC468864Jul 12, 2023Jul 20, 20266MD
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.
170ED43MD1SHAFFER CONSTRUCTION COMPANY INCJul 12, 2023Jul 20, 20266
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026