DIAMOND TRUCKING INC
AUTHORIZEDDBA: DIAMOND TRUCKING
USDOT
491637
MC Number
240905
Fleet Size
76
Total Drivers
81
FMCSA-derived snapshot updated: September 6, 2026. This is not a real-time record; verify critical authority, insurance and safety details directly with FMCSA.
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Safety overview
DIAMOND TRUCKING INC is a mid-size interstate motor carrier based in PHOENIX, Arizona, operating 76 power units with 81 drivers. CarrierOwl is currently validating BASIC percentile display against the official FMCSA SMS portal; use the inspection, out-of-service, crash, authority, and insurance data below as the primary public safety indicators on this page. Their driver out-of-service rate of 0.0% comes in under the 6.7% national average. They have 7 crashes on file (1 with injuries). FMCSA records show 155 inspections for this carrier.
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BASIC scores
Under reviewCarrierOwl is validating BASIC percentile calculations against the official FMCSA SMS portal. Until that review is complete, use FMCSA directly for current BASIC percentiles and use the inspection, out-of-service, crash, authority, and insurance data on this page as supporting indicators.
BASIC percentile display is temporarily paused while we validate CarrierOwl's methodology against the official FMCSA SMS portal.
Out-of-service rates vs. national average
An out-of-service order means the driver or vehicle was pulled from operation during a roadside inspection.
For reference, the average driver OOS rate in Arizona is 12.9% and the average vehicle OOS rate is 26.9% across 30,711 carriers.
Company details
- Entity Type
- N/A
- Carrier Operation
- Interstate
- Operation Classification
- Authorized For Hire
- Cargo Carried
- N
- Hazmat
- Yes
- Safety Rating Date
- N/A
Inspections
155
Total
51%
Driver %
Insurance on file
Liability (BIPD)
General Star Indemnity Company — eff. Jun 1, 2026
Cargo
National Interstate Insurance Company — eff. May 1, 2022
Surety Bond
Not on file
Trust Fund
Not on file
Source: FMCSA Motus. Imported Aug 4, 2026. Verify current filings directly with FMCSA before relying on them.
Crash history
7
Total Crashes
Similar carriers in Arizona
Other carriers in the same state with a similar fleet size.
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Frequently asked questions
Is DIAMOND TRUCKING INC authorized to operate?
CarrierOwl's FMCSA-derived snapshot for DIAMOND TRUCKING INC (USDOT #491637) shows "AUTHORIZED" status. The snapshot lists them as an interstate carrier. Verify the current official record with FMCSA before booking a load.
What is DIAMOND TRUCKING INC's safety record?
DIAMOND TRUCKING INC has 155 inspections in CarrierOwl's current imported snapshot and 7 matching crashes. They do not show a formal FMCSA safety rating in CarrierOwl's current data. A zero result is limited to the dataset and snapshot window. Verify current BASIC percentiles and crash information directly with FMCSA before relying on them.
How many trucks does DIAMOND TRUCKING INC operate?
DIAMOND TRUCKING INC operates 76 power units with 81 drivers on file. That puts them in the mid-size range.
Does DIAMOND TRUCKING INC transport hazardous materials?
Yes. DIAMOND TRUCKING INC is flagged for hazardous materials transportation with FMCSA. That means additional safety requirements and more frequent inspections.
Where is DIAMOND TRUCKING INC located?
DIAMOND TRUCKING INC is based in PHOENIX, Arizona at 5701 W VAN BUREN ST, 85043. Phone: (602) 278-7399.
What are DIAMOND TRUCKING INC's out-of-service rates?
DIAMOND TRUCKING INC's driver out-of-service rate is 0.0%, compared with the 6.7% reference shown by FMCSA SMS when checked August 4, 2026. Interpret the difference with inspection volume and verify the current FMCSA record. Their vehicle out-of-service rate is 1.3%, compared with the 23.4% reference shown by FMCSA SMS when checked August 4, 2026. Interpret the difference with inspection volume and verify the current FMCSA record.