Equipment unit · VIN-decoded · NHTSA vPIC

2018 Freightliner SD122

3AKNGNFG7JDJP4197 · Truck-Tractor · TRUCK
Carriers run under2
14 mo
Inspections3
all-time
OOS inspections2
of 3
First seenJan 31, 2025
VT
Last seenMar 12, 2026
VT
Inspected under 2 different carriers in 14 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
3AKNGNFG7JDJP4197
Make
Freightliner
Model
SD122
Model year
2018
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Aug 2, 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
3AK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
NGNFG

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1988 or 2018

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

North American serial sequence
JP4197

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
FREIGHTLINER

Prefix basis · 8 decoded VINs at 100.0% prefix purity.

Model
SD122

Prefix basis · 8 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
2018

Observed directly for this VIN via NHTSA vPIC.

Observed make
FREIGHTLINER

Observed directly for this VIN via NHTSA vPIC.

Observed model
SD122

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 · Jan 31, 2025 – Mar 12, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 12, 2026VTII · Walk-around1OOSFPH TANK INSTALLATION AND SERVICE INC 178199940E03/VT
May 28, 2025VTII · Walk-around4OOSD & C TRANSPORTATION INC 17095690D94/VT
Jan 31, 2025VTII · Walk-around2D & C TRANSPORTATION INC 17095690D94/VT
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FPH TANK INSTALLATION AND SERVICE INC1781999Mar 12, 2026Mar 12, 20261VT
D & C TRANSPORTATION INC170956Jan 31, 2025May 28, 20252VT
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.
40E03VTFPH TANK INSTALLATION AND SERVICE INCMar 12, 2026Mar 12, 20261
90D94VTD & C TRANSPORTATION INCJan 31, 2025May 28, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 2, 2026