DIAMOND B OILFIELD TRUCKING INC

USDOT 729417 MC 333812 Inactive Interstate

Trust Score

out of 100

REVIEW

Needs manual review

PLENTYWOOD, MT · Last verified October 15, 2026 · FMCSA public records

Operations

Power units

Trucks + tractors

Drivers

0.94 per truck

Authority age

28 years

Safety rating

Unrated

What DIAMOND B OILFIELD TRUCKING INC’s FMCSA record shows

Each field from the public registration, and what it means when you’re vetting this carrier.

USDOT number 729417: The USDOT number is FMCSA's permanent ID for this company. It never changes, even when the business renames, moves, or changes owners, so it's the most reliable way to identify DIAMOND B OILFIELD TRUCKING INC.
MC number MC 333812: An MC (docket) number means the company applied for interstate operating authority to haul regulated freight for hire or to broker loads. Brokers and shippers usually check MC authority before booking.
Operating status Inactive: FMCSA lists this USDOT number as inactive. Inactive carriers shouldn't be dispatched; confirm the company has reactivated before booking a load.
Operation type Interstate: Interstate carriers can haul freight across state lines and fall under the full federal safety rules (FMCSRs).
Fleet size 54 power units, 51 drivers: DIAMOND B OILFIELD TRUCKING INC self-reports 54 power units (trucks and tractors), which makes it a mid-size fleet. Fleet counts come from the carrier's own MCS-150 filing and aren't independently audited.
Last MCS-150 update Aug 30, 2022: The MCS-150 is the registration form where carriers report their address, fleet size, and operations. DIAMOND B OILFIELD TRUCKING INC last filed it on Aug 30, 2022. That's past FMCSA's two-year update requirement. Confirm the address, phone, and fleet size directly.

Safety profile

FMCSA BASIC percentiles, inspection history, and out-of-service rates.

Full safety report

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Crash history

State-reportable crashes, severity breakdown, and time-decayed analysis.

Crash history

Individual crash records with date, severity (fatal / injury / tow-away), and fleet-normalized rate.

Insurance & compliance

Active policy coverage, insurance carrier, effective dates, and historical gaps.

Insurance details

BI&PD coverage, cargo insurance, insurance carrier name, effective dates — a critical pre-booking check.

Authority & cross-reference

Authority revocation history and chameleon carrier detection across 4.4M records.

Authority & cross-reference

Every authority grant, revocation, and reinstatement — plus chameleon flags from address / officer / phone matches.

Frequently asked questions about DIAMOND B OILFIELD TRUCKING INC

Common questions about this carrier, answered from FMCSA public records.

Is DIAMOND B OILFIELD TRUCKING INC a legitimate motor carrier?

DIAMOND B OILFIELD TRUCKING INC is registered with FMCSA under USDOT number 729417. Operating authority status is currently Inactive. Carrier90's trust score of 50/100 yields a REVIEW verdict based on safety, insurance, authority, and crash data.

What is DIAMOND B OILFIELD TRUCKING INC's safety score?

Carrier90 scores DIAMOND B OILFIELD TRUCKING INC at 50 out of 100 with a REVIEW verdict. The score combines FMCSA BASIC percentiles, crash history, insurance status, operating authority, and chameleon carrier detection signals.

Where is DIAMOND B OILFIELD TRUCKING INC based?

DIAMOND B OILFIELD TRUCKING INC lists its physical address in PLENTYWOOD, MT in FMCSA records. The physical state and city fields are provided by the carrier on their MCS-150 form.

Is USDOT 729417 active?

USDOT 729417 (DIAMOND B OILFIELD TRUCKING INC) operating authority status is currently Inactive. Last verified by Carrier90 on October 15, 2026. Data is sourced from live FMCSA federal records.

How many trucks does DIAMOND B OILFIELD TRUCKING INC operate?

DIAMOND B OILFIELD TRUCKING INC reports 54 power units and employs 51 drivers to FMCSA. These figures come from the carrier's most recent MCS-150 filing.

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