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Carrier profile · USDOT 3901197 · Data as of Oct 7, 2026

Diesel Diagnostics LLC

Apache Junction, AZ · Intrastate (Non-Hazmat) carrier · Since 2022
No MC authorityNot rated by FMCSANo hazmat
Cargo carriedGeneral FreightMachinery, Large ObjectsUtilities
View on FMCSA SAFERCall (480) 201-9661
1
Power units
2
Drivers
0
Inspections · 24 mo
0
Crashes · 24 mo
9,800
Annual miles
4 yr
Registered
100
/ 100
Clear to load

Operating legally with a clean record

No problems found in FMCSA authority, insurance, inspection or crash data.

How we scored it · 5 factors
Operating authority20/20
Insurance20/20
Out-of-service rates20/20
Crashes & rating20/20
Continuity & identity20/20

Composite of public FMCSA authority, insurance, inspection and crash records weighted against the national fleet. Decision support, not an official FMCSA safety rating.

Safety

FMCSA inspections & crashes · 24 mo · AS OF OCT 7, 2026

No roadside inspections or reportable crashes in the last 24 months, and not rated by FMCSA.

Enforcement

FMCSA closed cases

Closed enforcement cases — case numbers, violation codes and the amount settled — are available after you create a free account.

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Authority & insurance

FMCSA L&I · AS OF OCT 7, 2026

No operating authority (MC/FF docket) on file. Private and intrastate carriers don't need one; interstate for-hire carriers and brokers do.

Equipment

SELF-REPORTED ON MCS-150
1
Power units
1
Trucks
—
Tractors owned
—
Trailers owned
2
Drivers
0
CDL drivers
Not registered for hazardous materials.

Operations & cargo

FMCSA CENSUS
Intrastate (Non-Hazmat)Private Property
Cargo carried
General FreightMachinery, Large ObjectsUtilities
Annual mileage
9,800 mi (2025)

Identity & federal record

FMCSA census · MCS-150
USDOT
3901197
MC / docket
None
Legal name
Diesel Diagnostics LLC
DBA
—
Entity type
Carrier
Operation
Intrastate (Non-Hazmat)
First registered
Jun 14, 2022
Last MCS-150
Jan 27, 2026
Safety rating
Not rated
Drivers (CDL)
2 (0)
Hazmat
No
Business type
—

Fraud & network signals

For review, not a verdict.

No prior revocation
FMCSA shows no link to a previously revoked authority.
Unique phone number
Not shared with any other active USDOT.
Unique email address
Not shared with any other active USDOT.
Unique street address
Not shared with any other active USDOT.

Frequently asked

What is Diesel Diagnostics LLC's USDOT number?

Diesel Diagnostics LLC's USDOT number is 3901197.

Is Diesel Diagnostics LLC authorized to operate?

It does not hold MC operating authority, which private and intrastate carriers do not need.

What is Diesel Diagnostics LLC's safety record?

No roadside inspections or reportable crashes in the last 24 months. Not rated by FMCSA.

How big is Diesel Diagnostics LLC's fleet?

1 power unit and 2 drivers per its MCS-150 filed Jan 27, 2026.

Where is Diesel Diagnostics LLC located?

Diesel Diagnostics LLC is located at 1678 W Superstition Blvd #6c, Apache Junction, AZ, 85120. Phone: (480) 201-9661.

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Source: FMCSA public records via the U.S. DOT Open Data Portal. Carrier Search presents the federal record and computed signals for decision support only. It is not an FMCSA safety rating and not a recommendation to use or avoid any carrier. Verify authority and insurance before tendering.