VIN 5WSABB231MN287708 — 2021 Walker (WALK) NON-DOT/TC Spec
Operated by Arnold Zwerk & Sons Inc · USDOT 1540703
Vehicle identity
| VIN | 5WSABB231MN287708 |
| Model year | 2021 |
| Make | Walker (WALK) |
| Model | NON-DOT/TC Spec |
| Vehicle type | SEMI-TRAILER |
| License plate | MI E327951 (Michigan) |
| Last inspected | 2026-10-05 |
Most recently recorded carrier for this vehicle
Arnold Zwerk & Sons Inc Active
- USDOT
- 1540703
- MC
- 892710
- Status
- Active
- Type
- Motor Carrier
- Based in
- Vassar, MI
- Power units
- 12
- Drivers
- 12
- Inspections (24 mo)
- 12
- Crashes (24 mo)
- 3
- Vehicle OOS rate
- 16.7%
Carrier recorded at the latest inspection in the available records (2026-10-05). This does not establish current ownership or confirm that the carrier still operates this vehicle.
View full carrier profile →Authority, insurance & bonds, safety scores, crash history, inspections and the full fleet list.
What this means
5WSABB231MN287708 is a 2021 Walker NON-DOT/TC Spec operated by Arnold Zwerk & Sons Inc (USDOT 1540703). License plate on its inspection records: MI E327951. 1 roadside inspection on FMCSA record. No out-of-service violations are recorded for this VIN in the available inspection records. Other violations may still be present.
What this VIN is
2021 Walker NON-DOT/TC Spec is the vehicle NHTSA’s VIN registry returns for 5WSABB231MN287708. It is a trailer built by WALKER STAINLESS EQUIPMENT CO at the NEW LISBON, WISCONSIN plant.
Roadside inspection & out-of-service record
This specific vehicle appears in 1 FMCSA roadside inspection (most recent activity 2026-10-05). Across those inspections it was never placed out of service. Its most recent inspection (2026-10-05) was in Michigan, a Level III — driver and paperwork only. No violations were recorded against this vehicle in our inspection window.
Operator history
Operated by Arnold Zwerk & Sons Inc (USDOT 1540703) on 2026-10-05 — 1 inspection, none out of service.
Full spec sheet (NHTSA vPIC decode)
| Make | WALKER |
| Model | NON-DOT/TC Spec |
| Model Year | 2021 |
| Series | 3A/Foodgrade/Water/Fertilizer/Septic/Dry Bulk/Etc. |
| Vehicle Type | TRAILER NHTSA’s top-level vehicle category derived from the VIN. |
| Body Class | Trailer The body style NHTSA assigns from the VIN — e.g. truck-tractor, straight truck, or cutaway. |
| Manufacturer | WALKER STAINLESS EQUIPMENT CO The legal manufacturer of record in NHTSA’s database. |
| Plant City | NEW LISBON Where the chassis was assembled — useful for verifying the VIN against the build record. |
| Plant State | WISCONSIN |
| Plant Country | UNITED STATES (USA) |
| Axles | 2 Number of axles — ties directly to weight limits and toll/registration class. |
Operator & inspection history
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Frequently Asked Questions
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