Equipment unit · VIN-decoded · NHTSA vPIC

5DDKM5337M1067612

Not yet decoded
Carriers run under2
28 mo
Inspections2
all-time
OOS inspections0
of 2
First seenJun 15, 2023
AK
Last seenOct 31, 2025
AK
Inspected under 2 different carriers in 28 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
5DD

Deterministic · VIN positions 1–3.

Vehicle descriptor section
KM533

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1991 or 2021

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

North American serial sequence
067612

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
KALYN SIEBERT

Prefix basis · 5 decoded VINs at 100.0% prefix purity.

Model
Kalyn Siebert

Prefix basis · 5 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 · Jun 15, 2023 – Oct 31, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 31, 2025AKIII · Driver-only1MASS EXCAVATION INC 43365328881SX/AK
Jun 15, 2023AKII · Walk-around1DAVIS CONSTRUCTORS & ENGINEERS INC 16588838881SX/AK
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MASS EXCAVATION INC4336532Oct 31, 2025Oct 31, 20251AK
DAVIS CONSTRUCTORS & ENGINEERS INC1658883Jun 15, 2023Jun 15, 20231AK
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.
8881SXAKMASS EXCAVATION INCOct 31, 2025Oct 31, 20251
8881SXAKDAVIS CONSTRUCTORS & ENGINEERS INCJun 15, 2023Jun 15, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC