Equipment unit · VIN-decoded · NHTSA vPIC

2019 Kerr-Bilt KERR-BILT TRAILERS

1J9GF4022KB253371 · Trailer · TRAILER
Carriers run under2
9 mo
Inspections4
all-time
OOS inspections2
of 4
First seenFeb 6, 2025
MI
Last seenNov 20, 2025
WI
Inspected under 2 different carriers in 9 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
1J9GF4022KB253371
Make
Kerr-Bilt
Model
KERR-BILT TRAILERS
Model year
2019
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 5, 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
1J9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
GF402

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
1989 or 2019

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

North American serial sequence
253371

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
KERR-BILT

Prefix basis · 105 decoded VINs at 100.0% prefix purity.

Model
KERR-BILT TRAILERS

Prefix basis · 105 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
2019

Observed directly for this VIN via NHTSA vPIC.

Observed make
KERR-BILT

Observed directly for this VIN via NHTSA vPIC.

Observed model
KERR-BILT TRAILERS

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Trailer

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRAILER

Observed directly for this VIN via NHTSA vPIC.

GVWR
Not established

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 · Feb 6, 2025 – Nov 20, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 20, 2025WIII · Walk-around4OOSERVING EXPRESS LLC 4365476DG4983/OK
Jun 6, 2025MIII · Walk-around6OOSCOJACK LLC 4289672DG4983/OK
Mar 31, 2025ILIII · Driver-only1COJACK LLC 4289672DG4983/OK
Feb 6, 2025MIII · Walk-around1COJACK LLC 4289672DG4983/OK
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ERVING EXPRESS LLC4365476Nov 20, 2025Nov 20, 20251IL
COJACK LLC4289672Feb 6, 2025Jun 6, 20253IN
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.
DG4983OKERVING EXPRESS LLCNov 20, 2025Nov 20, 20251
DG4983OKCOJACK LLCFeb 6, 2025Jun 6, 20253
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 5, 2026