Equipment unit · VIN-decoded · NHTSA vPIC

2007 Peterbilt 378

1NPFLU0X57N657100 · Truck · INCOMPLETE VEHICLE
Carriers run under2
34 mo
Inspections5
all-time
OOS inspections0
of 5
First seenJun 20, 2023
PA
Last seenApr 29, 2026
DC
Inspected under 2 different carriers in 34 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
1NPFLU0X57N657100
Make
Peterbilt
Model
378
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
FLU0X

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

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
657100

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 · 39 decoded VINs at 100.0% prefix purity.

Model
378

Prefix basis · 39 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
378

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 · Jun 20, 2023 – Apr 29, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 29, 2026DCIII · Driver-only3CKM TRANSPORT INC 3320929378ED24/MD
Apr 16, 2026MDIII · Driver-only0CKM TRANSPORT INC 3320929378ED24/MD
Jan 14, 2026VAIII · Driver-only0CKM TRANSPORT INC 3320929378ED24/MD
Aug 31, 2023PAI · Full0JOSEPH J BRUNNER INC 236447ZNX5309/PA
Jun 20, 2023PAII · Walk-around0JOSEPH J BRUNNER INC 236447AH03006/PA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CKM TRANSPORT INC3320929Jan 14, 2026Apr 29, 20263MD
JOSEPH J BRUNNER INC236447Jun 20, 2023Aug 31, 20232PA
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.
378ED24MDCKM TRANSPORT INCJan 14, 2026Apr 29, 20263
ZNX5309PAJOSEPH J BRUNNER INCAug 31, 2023Aug 31, 20231
AH03006PAJOSEPH J BRUNNER INCJun 20, 2023Jun 20, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026