Carrier profile · USDOT 730300 · MC-345389 · Updated Jun 13, 2026

Harry N Frost Jr

DBA ZYZZK RACING

1 power unitLA PORTE CITY, IA80/100
CARRIER ACTIVEMC-345389 ACTIVE
Verified linksFMCSA SAFER

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)
1
Observed power (24 mo)
—
Trailers (towed)
—

Capacity is power units only — trailers are towed equipment and are never summed into a fleet-size figure.