Motor carrier · USDOT 3897166

G4 MECHANICAL, Ontario, CA: USDOT 3897166 safety record, inspections, out-of-service, crashes

2Power units
2Drivers
0Roadside inspections on file
0With an out-of-service order
0Crashes on file

Fleet and drivers are as G4 MECHANICAL filed them on its MCS-150, last updated September 1, 2022. The carrier has been on the FMCSA register since June 7, 2022. Inspections and crashes are the reports in Velarion’s copy of FMCSA’s inspection and crash files, which hold the reports filed by some states, not every state; FMCSA’s free SAFER snapshot carries the carrier’s national 24-month inspection and out-of-service figures.

What the register holds for G4 MECHANICAL: its USDOT number, its address in San Bernardino County, its operating authority, its fleet of 2 power units and 2 drivers; FMCSA has not rated it. Velarion’s copy of the inspection and crash files holds no inspection and no crash for USDOT 3897166.

Identity

Legal name as filed	G4 MECHANICAL
USDOT number	3897166
Status on the census	Active
Address	Ontario, CA 91761
County	San Bernardino County
Operating authority	Intrastate Non-Hazmat Carriers
Hazardous materials	Does not carry hazardous materials
Safety rating	Not rated
Power units	2 (2 trucks)
Drivers	2 (0 with a CDL)
On the register since	June 7, 2022
MCS-150 last filed	September 1, 2022
MCS-150 annual mileage	25 miles (2021)
Cargo carried	Liquids/Gases; Building Materials; Utility; Other; Construction

Cited to the FMCSA Company Census File.

Roadside inspections

0Inspections
0Any out-of-service order
0Driver out of service
0Vehicle out of service

Velarion’s copy of the inspection file holds no inspection for USDOT 3897166.

Cited to the FMCSA Vehicle Inspection File; up to 50 rows shown, newest first.

Crashes

0Crashes
0With a fatality
0With an injury

Velarion’s copy of the crash file holds no crash for USDOT 3897166.

Cited to the FMCSA Crash File; up to 50 rows shown, newest first.

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FMCSA publishes a free snapshot of every carrier on SAFER: its registration, its national inspection and out-of-service figures for the last 24 months, and its crashes; open it for USDOT 3897166.

Nearby on the register

Figures from the FMCSA Company Census File, loaded October 15, 2026, and FMCSA’s inspection and crash files.

How this page was built: FMCSA Company Census File, read October 15, 2026.

19.9% of the 89,383 roadside inspections of California carriers with 2 to 5 power units ended in an out-of-service order. Of the 50,344 California carriers with 2 to 5 power units, including G4 MECHANICAL, 73.9% joined the FMCSA register before G4 MECHANICAL did. San Bernardino County has 4,333 carriers with 2 to 5 power units, and G4 MECHANICAL is listed among them.