Equipment unit · VIN-decoded · NHTSA vPIC

2008 Peterbilt 388

1XPWDB0X78D769136 · Truck-Tractor · TRUCK
Carriers run under2
34 mo
Inspections5
all-time
OOS inspections0
of 5
First seenAug 1, 2023
MI
Last seenJun 26, 2026
MI
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
1XPWDB0X78D769136
Make
Peterbilt
Model
388
Model year
2008
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 30, 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
1XP

Deterministic · VIN positions 1–3.

Vehicle descriptor section
WDB0X

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
2008 or 2038

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

North American serial sequence
769136

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 · 27 decoded VINs at 100.0% prefix purity.

Model
388

Prefix basis · 27 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
2008

Observed directly for this VIN via NHTSA vPIC.

Observed make
PETERBILT

Observed directly for this VIN via NHTSA vPIC.

Observed model
388

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 · Aug 1, 2023 – Jun 26, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 26, 2026MIIII · Driver-only0RCK TRANSPORT LLC 4404961RB60471/MI
Apr 30, 2025MIII · Walk-around0ON THE SPOT TIRE SERVICE LLC 1630127RB60471/MI
Nov 14, 2024MIIII · Driver-only1ON THE SPOT TIRE SERVICE LLC 1630127RB60471/MI
Jun 17, 2024MIII · Walk-around1ON THE SPOT TIRE SERVICE LLC 1630127RB60471/MI
Aug 1, 2023MIIII · Driver-only0ON THE SPOT TIRE SERVICE LLC 1630127RB60471/MI
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
RCK TRANSPORT LLC4404961Jun 26, 2026Jun 26, 20261MI
ON THE SPOT TIRE SERVICE LLC1630127Aug 1, 2023Apr 30, 20254MI
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.
RB60471MI1RCK TRANSPORT LLCJun 26, 2026Jun 26, 20261
RB60471MION THE SPOT TIRE SERVICE LLCAug 1, 2023Apr 30, 20254
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 30, 2026