Carrier profile · USDOT 1034081 · Updated Jun 13, 2026
DW Zinser Co Inc
14 power unitsavg 10 yrLocal · 1 statesWALFORD, IA86/100
AUTHORITY STATUS UNKNOWNRATED SATISFACTORYHAZMAT
Equipment
Haulable capacity (power units only — trailers are towed context), equipment mix, and the VIN-decoded unit roster. Click any VIN to trace that unit across every carrier that has run it.
Capacity· power units = haulable capacity; trailers are towed
- Registered power units (MCS-150)
- 14
- Observed power (24 mo)
- 7
- Trailers (towed)
- 5
Capacity is power units only — trailers are towed equipment and are never summed into a fleet-size figure.
Fleet age· model years · decoded VINs
Average age
2025
Newest model yr
2008
Oldest model yr
16.7%
VINs decoded
Unit roster· VIN-decoded from inspections · NHTSA vPIC
| VIN | Type | Year | Make | Model | Insp. | Last seen |
|---|---|---|---|---|---|---|
| 1M1PN4GY9RM014763View sourced platform decode | Power unit | 2024 | MACK | — | 2 | Jul 6, 2026 |
| 1D913272A8A059411View sourced platform decode | Trailer | 2008 | DIERZEN | — | 2 | Jun 23, 2026 |
| 1D913272AAA059462View sourced platform decode | Trailer | 2010 | DIERZEN | — | 1 | Jul 6, 2026 |
| 4M9DS2327S1017150View sourced platform decode | Trailer | 2025 | MTM | — | 1 | Jun 23, 2026 |
| 1M1GR4GY3LM019954View sourced platform decode | Truck-Tractor | 2020 | MACK | Granite | 1 | Jun 23, 2026 |
| 1M2AX07C0GM029450View sourced platform decode | Power unit | 2016 | MACK | — | 1 | May 12, 2026 |
| 1M1GR4GY5LM011760View sourced platform decode | Power unit | 2020 | MACK | — | 1 | Apr 15, 2026 |
| 1M1GR4GY7LM011761View sourced platform decode | Power unit | 2020 | MACK | — | 1 | Aug 18, 2025 |
| 1D913272A8A059404View sourced platform decode | Trailer | 2008 | DIERZEN | — | 1 | Aug 18, 2025 |
| 1M1AN09Y6CM010589View sourced platform decode | Power unit | 2012 | MACK | — | 1 | Jul 21, 2025 |
| 1D913272A8A059410View sourced platform decode | Trailer | 2008 | DIERZEN | — | 1 | Jul 21, 2025 |
| 1M1GR4GY8MM022933View sourced platform decode | Truck-Tractor | 2021 | MACK | Granite | 1 | Jan 27, 2025 |
Showing 12 · most-inspected first.