Equipment unit · VIN-decoded · NHTSA vPIC

1KKVR4821RL254441

Not yet decoded
Carriers run under2
24 mo
Inspections2
all-time
OOS inspections0
of 2
First seenApr 22, 2024
IL
Last seenApr 26, 2026
MO
Inspected under 2 different carriers in 24 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

This VIN has not been decoded yet — the unit's carrier, inspection and plate history below is reconstructed from the FMCSA inspection feed regardless.

Decode evidence & sources

Deterministic structure

These fields come directly from VIN positions and the published checksum calculation, with zero store IO.

World manufacturer identifier
1KK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
VR482

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1994 or 2024

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

North American serial sequence
254441

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
KENTUCKY

Prefix basis · 22 decoded VINs at 100.0% prefix purity.

Model
Refrigerated Trailer

Prefix basis · 22 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.

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 · Apr 22, 2024 – Apr 26, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 26, 2026MOII · Walk-around0CONTRACT TRANSPORTATION SYSTEMS CO 1888915281481/ME
Apr 22, 2024ILIII · Driver-only0PUTNAM TRUCKING OPERATIONS COMPANY INC 3317965281481/ME
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CONTRACT TRANSPORTATION SYSTEMS CO188891Apr 26, 2026Apr 26, 20261OH
PUTNAM TRUCKING OPERATIONS COMPANY INC331796Apr 22, 2024Apr 22, 20241IL
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.
5281481MECONTRACT TRANSPORTATION SYSTEMS COApr 26, 2026Apr 26, 20261
5281481MEPUTNAM TRUCKING OPERATIONS COMPANY INCApr 22, 2024Apr 22, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC