Equipment unit · VIN-decoded · NHTSA vPIC

2021 Freightliner Cascadia

3AKJHHDR9MSMP2946 · Truck-Tractor · TRUCK
126Sleeper
Carriers run under2
36 mo
Inspections5
all-time
OOS inspections1
of 5
First seenJun 27, 2023
NM
Last seenJun 4, 2026
WA
Inspected under 2 different carriers in 36 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
3AKJHHDR9MSMP2946
Make
Freightliner
Model
Cascadia
Model year
2021
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 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
JHHDR

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

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
MP2946

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 · 146,134 decoded VINs at 100.0% prefix purity.

Model
Cascadia

Prefix basis · 146,134 decoded VINs at 100.0% prefix purity.

Model line
126

Sourced label · prefix basis 146,134 decoded VINs at 100.0% prefix purity.

Generation
126

Sourced label · prefix basis 146,134 decoded VINs at 100.0% prefix purity.

Cab type
Sleeper

Sourced label · prefix basis 146,134 decoded VINs at 100.0% prefix purity.

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
2021

Observed directly for this VIN via NHTSA vPIC.

Observed make
FREIGHTLINER

Observed directly for this VIN via NHTSA vPIC.

Observed model
Cascadia

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.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jun 27, 2023 – Jun 4, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 4, 2026WAII · Walk-around2OOSMAKTRANS LLC 306391989496A/NV
Feb 12, 2024NMI · Full0JOHN CHRISTNER TRUCKING LLC 2738973KF100/OK
Dec 24, 2023NMII · Walk-around1JOHN CHRISTNER TRUCKING LLC 2738973FH668/OK
Aug 26, 2023CAI · Full0JOHN CHRISTNER TRUCKING LLC 2738973FH668/OK
Jun 27, 2023NMII · Walk-around0JOHN CHRISTNER TRUCKING LLC 2738973FH668/OK
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MAKTRANS LLC3063919Jun 4, 2026Jun 4, 20261NV
JOHN CHRISTNER TRUCKING LLC273897Jun 27, 2023Feb 12, 20244OK
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.
89496ANVMAKTRANS LLCJun 4, 2026Jun 4, 20261
3KF100OK1JOHN CHRISTNER TRUCKING LLCFeb 12, 2024Feb 12, 20241
3FH668OK1JOHN CHRISTNER TRUCKING LLCJun 27, 2023Dec 24, 20233
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 2, 2026