Equipment unit · VIN-decoded · NHTSA vPIC

2021 Freightliner Cascadia

3AKJHHDR9MSMG3370 · Truck-Tractor · TRUCK
126Sleeper
Carriers run under4
30 mo
Inspections8
all-time
OOS inspections3
of 8
First seenJan 25, 2024
NY
Last seenJul 14, 2026
PA
Inspected under 4 different carriers in 30 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
3AKJHHDR9MSMG3370
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
MG3370

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.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jan 25, 2024 – Jul 14, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 14, 2026PAIII · Driver-only0—DIAMOND FREIGHT INTERSTATE LLC 3770343AH87911/PA
Jun 2, 2026LAIII · Driver-only0—ROBERTSON TRUCKS LLC 3666726P1329361/IL
Mar 11, 2026ILII · Walk-around1OOSROBERTSON TRUCKS LLC 3666726P1329361/IL
Mar 11, 2026ILII · Walk-around1OOSROBERTSON TRUCKS LLC 3666726P1329361/IL
Mar 11, 2026ILII · Walk-around1OOSROBERTSON TRUCKS LLC 3666726P1329361/IL
Feb 9, 2026TXII · Walk-around0—ROBERTSON TRUCKS LLC 3666726P1329361/IL
Dec 2, 2025COII · Walk-around0—WEBER TRUCKING LLC 551705P1329361/IL
Jan 25, 2024NYIII · Driver-only6—SWIFT TRANSPORTATION COMPANY OF ARIZONA LLC 542832936680/IN
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DIAMOND FREIGHT INTERSTATE LLC3770343Jul 14, 2026Jul 14, 20261PA
ROBERTSON TRUCKS LLC3666726Feb 9, 2026Jun 2, 20265MO
WEBER TRUCKING LLC551705Dec 2, 2025Dec 2, 20251OR
SWIFT TRANSPORTATION COMPANY OF ARIZONA LLC54283Jan 25, 2024Jan 25, 20241AZ
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.
AH87911PA1DIAMOND FREIGHT INTERSTATE LLCJul 14, 2026 → Jul 14, 20261
P1329361IL1ROBERTSON TRUCKS LLCFeb 9, 2026 → Jun 2, 20265
P1329361IL—WEBER TRUCKING LLCDec 2, 2025 → Dec 2, 20251
2936680IN—SWIFT TRANSPORTATION COMPANY OF ARIZONA LLCJan 25, 2024 → Jan 25, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 2, 2026