Equipment unit · VIN-decoded · NHTSA vPIC

2021 Freightliner Cascadia

3AKJHHDR4MSMM7856 · Truck-Tractor · TRUCK
126Sleeper
Carriers run under3
37 mo
Inspections6
all-time
OOS inspections0
of 6
First seenJun 19, 2023
TN
Last seenJul 8, 2026
IN
Inspected under 3 different carriers in 37 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
3AKJHHDR4MSMM7856
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 1, 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
4 · valid

Deterministic · position 9; calculated value 4.

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
MM7856

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 19, 2023 – Jul 8, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 8, 2026INII · Walk-around0BOGG EXPRESS LLC 3195710PXF4351/OH
May 6, 2026CAII · Walk-around0BOGG EXPRESS LLC 3195710V477959/OH
Jan 19, 2026MOII · Walk-around1HI CARGO TRUCKING INC 3926618P1224205/IL
Nov 23, 2025INIII · Driver-only1HI CARGO TRUCKING INC 3926618P1224205/IL
Nov 7, 2025SCIII · Driver-only0HI CARGO TRUCKING INC 3926618P1224205/IL
Jun 19, 2023TNIII · Driver-only1WESTERN EXPRESS INC 511412L9997HY/TN
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BOGG EXPRESS LLC3195710May 6, 2026Jul 8, 20262OH
HI CARGO TRUCKING INC3926618Nov 7, 2025Jan 19, 20263IL
WESTERN EXPRESS INC511412Jun 19, 2023Jun 19, 20231TN
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.
PXF4351OH1BOGG EXPRESS LLCJul 8, 2026Jul 8, 20261
V477959OHBOGG EXPRESS LLCMay 6, 2026May 6, 20261
P1224205ILHI CARGO TRUCKING INCNov 7, 2025Jan 19, 20263
L9997HYTNWESTERN EXPRESS INCJun 19, 2023Jun 19, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 1, 2026