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Grinding Gears INC (USDOT 4288617)

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DOT number
USDOT 4288617
Operating authority
Federal operating authority is not applicable: this is an intrastate operation, with no federal docket required.
Insurance on file
No active liability (BIPD) insurance on file with FMCSA.
Safety rating
No published safety rating
Fleet on file
1 power units, 1 drivers
Operation type
Intrastate Non-Hazmat
Physical address
845 W RAE CT, UPLAND, CA 91784-1589
MCS-150 last filed
2024-08

Frequently asked questions

What carrier is DOT 4288617?

DOT 4288617 (USDOT 4288617) is Grinding Gears INC, an intrastate non-hazmat motor carrier.

What is Grinding Gears INC's USDOT number?

Grinding Gears INC's USDOT number is 4288617. No MC docket number is on file.

Is Grinding Gears INC currently authorized to operate?

Federal operating authority is not applicable: this is an intrastate operation, with no federal docket required. Source: FMCSA registration and licensing records.

Does Grinding Gears INC have insurance on file with FMCSA?

No active liability (BIPD) insurance on file with FMCSA.

What is Grinding Gears INC's safety record?

In the last 24 months, FMCSA records show 0 of 1 vehicle inspection ending out-of-service for Grinding Gears INC, too few inspections for a stable rate. FMCSA records also show 0 recordable crashes in the same window.

What is Grinding Gears INC's CSA score?

FMCSA does not publish a single CSA score for carriers. Grinding Gears INC's public safety data includes its roadside inspection out-of-service rates and crash record, listed on this page.

What is Grinding Gears INC's FMCSA safety rating?

Grinding Gears INC has no published FMCSA safety rating. Most US carriers have never received a rating review, so an unrated carrier is the common case, not a warning sign by itself.

Changes over time

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Carriers based in Upland, CA

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Sourced from FMCSA public records. Official data as of Aug 28, 2026. fleetfax surfaces the facts; brokers make the judgment.