Equipment unit · VIN-decoded · NHTSA vPIC

2021 Cimc

57VAA4028M2001434 · Trailer · TRAILER
Carriers run under4
28 mo
Inspections5
all-time
OOS inspections1
of 5
First seenJan 4, 2024
NC
Last seenMay 5, 2026
VA
Inspected under 4 different carriers in 28 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
57VAA4028M2001434
Make
Cimc
Model
CIMC
Model year
2021
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
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
57V

Deterministic · VIN positions 1–3.

Vehicle descriptor section
AA402

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

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
001434

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
CIMC

Prefix basis · 14 decoded VINs at 100.0% prefix purity.

Model
CIMC

Prefix basis · 14 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
2021

Observed directly for this VIN via NHTSA vPIC.

Observed make
CIMC

Observed directly for this VIN via NHTSA vPIC.

Observed model
CIMC

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Trailer

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRAILER

Observed directly for this VIN via NHTSA vPIC.

GVWR
Not established

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 4, 2024 – May 5, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 5, 2026VAI · Full0RAILPORT SERVICES LLC 1852080235051T/TN
May 5, 2026VAI · Full6OOSRAILPORT SERVICES LLC 1852080235051T/TN
Oct 23, 2025VAI · Full0JLW EXPRESSWAY LLC 3114158235051T/TN
Nov 20, 2024VAI · Full0CARGOWAYS TRANSPORTATION LLC 1061260235051T/TN
Jan 4, 2024NCIII · Driver-only0SCHNEIDER NATIONAL CARRIERS INC 264184235051T/TN
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
RAILPORT SERVICES LLC1852080May 5, 2026May 5, 20262PA
JLW EXPRESSWAY LLC3114158Oct 23, 2025Oct 23, 20251NC
CARGOWAYS TRANSPORTATION LLC1061260Nov 20, 2024Nov 20, 20241TX
SCHNEIDER NATIONAL CARRIERS INC264184Jan 4, 2024Jan 4, 20241WI
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.
235051TTNRAILPORT SERVICES LLCMay 5, 2026May 5, 20262
235051TTNJLW EXPRESSWAY LLCOct 23, 2025Oct 23, 20251
235051TTNCARGOWAYS TRANSPORTATION LLCNov 20, 2024Nov 20, 20241
235051TTNSCHNEIDER NATIONAL CARRIERS INCJan 4, 2024Jan 4, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 1, 2026