Preview 1,335,042 motor carriers — every carrier FMCSA lists as active with at least one power unit, plus carriers whose registration went inactive within the last three years (inferred from MCS-150 filing dates). The full load is in progress, so this is how far it has got. Sourced from the FMCSA Motor Carrier Census. Data as of 2026-09-23.

SALVADOR B DIAZ

Doing business as 4 ACE TRANSPORTATION

USDOT 3129618
USDOT registration Active

Operating authority — FMCSA publishes no current status for this carrier. See FMCSA’s record.

Safety rating Not rated no compliance review on file
Hazardous materials No
Download as PDF JSON & API Watch this carrier log in with your free account
Insurance and operating authority

Required and on-file BI&PD liability amounts, cargo and surety bond filings, and the operating authorities this carrier holds.

Log in with your free account

No roadside inspections or annual mileage on file, which is not enough data to compare with other carriers. That is normal for a small or recently registered carrier.

Why some carriers have no inspection history

Carrier details
Fleet and drivers
Power units
1
Trucks
1
Buses
0
Drivers
1
Drivers holding a CDL
1
What they run
Cargo authorised to carry
Operating range
Intrastate, beyond 100 miles
Carrier operation
Intrastate, non-hazardous materials
Operation classification
PRIVATE PROPERTY;AUTHORIZED FOR HIRE
Annual mileage reported
60,001
Mileage year
2019
Registration
First on file
2018-04-28
Carrier last updated its record
2022-05-13
City
SANTA ANA
State
CA
ZIP
92707

More carriers in Santa Ana, CA

Data as of 2026-09-23 · The official FMCSA record · About this data