Equipment unit · VIN-decoded · NHTSA vPIC

2021 Freightliner Cascadia

3AKJHHDR4MSMK8370 · Truck-Tractor · TRUCK
126Sleeper
Carriers run under2
31 mo
Inspections15
all-time
OOS inspections5
of 15
First seenDec 19, 2023
NE
Last seenJul 31, 2026
TN
Inspected under 2 different carriers in 31 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
3AKJHHDR4MSMK8370
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
Jun 16, 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
MK8370

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 · Dec 19, 2023 – Jul 31, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 31, 2026TNIII · Driver-only1TOP CARGO LLC 2972398PXD6172/OH
Jul 29, 2026TNIII · Driver-only0TOP CARGO LLC 2972398PXD6172/OH
Feb 27, 2026ARII · Walk-around4OOSTOP CARGO LLC 2972398PXD6172/OH
Oct 17, 2025TXI · Full1OOSTOP CARGO LLC 2972398PXD6172/OH
Jun 2, 2025UTIII · Driver-only0ZURVAN INC 2723949P1212310/IL
Apr 19, 2025NMII · Walk-around1ZURVAN INC 2723949P1212310/IL
Mar 4, 2025MDII · Walk-around4OOSZURVAN INC 2723949P1212310/IL
Feb 12, 2025NMIII · Driver-only0ZURVAN INC 2723949P1212310/IL
Feb 4, 2025CAI · Full16OOSZURVAN INC 2723949P1212310/IL
Oct 16, 2024TNIII · Driver-only0ZURVAN INC 2723949P1212310/UK
Aug 27, 2024AZIII · Driver-only1ZURVAN INC 2723949P1212310/IL
Jul 16, 2024MTII · Walk-around1OOSZURVAN INC 2723949P1212310/IL
May 15, 2024COIII · Driver-only0ZURVAN INC 2723949P1212310/IL
Mar 28, 2024NMIII · Driver-only1ZURVAN INC 2723949P1212310/IL
Dec 19, 2023NEIII · Driver-only1ZURVAN INC 2723949P1212310/IL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TOP CARGO LLC2972398Oct 17, 2025Jul 31, 20264OH
ZURVAN INC2723949Dec 19, 2023Jun 2, 202511IL
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.
PXD6172OH1TOP CARGO LLCOct 17, 2025Jul 31, 20264
P1212310ILZURVAN INCDec 19, 2023Jun 2, 202510
P1212310UKZURVAN INCOct 16, 2024Oct 16, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026