G4 Tank Lines LLC

USDOT 4013855 · MC1512057 · Denver, CO
USDOT ActiveCommon authorityHazmat
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Company snapshot
Legal name
G4 Tank Lines LLC
USDOT number
4013855
MC docket
MC1512057
Physical address
610 South Lipan Street, Denver, CO, 80223
Power units
56
Drivers
55
Operation
Interstate
Operating radius
Interstate <100 mi
Cargo
Liquids/Gases, Commodities Dry Bulk
Last MCS-150 filing
Apr 16, 2026
Operating authority (as of 5/2026)
Common authority
Active
Broker authority
Not held
Authority granted
Jan 18, 2023
Insurance on file
Insurer (writing paper)
Great West Casualty
Filing form
BMC-91X
Coverage amount
$1,000,000
BI/PD on file
$1,000,000
Estimated renewal window
Q2 2027

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Safety record
FMCSA safety rating
Not rated
Roadside inspections (24 mo)
53
Out-of-service inspections
8
Inspections with violations
30
Crashes (24 mo)
1
BASICs with acute/critical violations
0
SMS population
Interstate
Common questions

Is G4 Tank Lines LLC insured?

Yes. G4 Tank Lines LLC (USDOT 4013855) has active BI/PD liability insurance on file with FMCSA, currently written by Great West Casualty, with $1,000,000 in coverage on the filing.

What insurance company does G4 Tank Lines LLC use?

G4 Tank Lines LLC's current BI/PD filing is written by Great West Casualty. Insurer changes show up in the daily-refreshed federal filing record.

What is G4 Tank Lines LLC's MC number?

G4 Tank Lines LLC's FMCSA docket is MC1512057, paired with USDOT 4013855.

Is G4 Tank Lines LLC safe to work with?

G4 Tank Lines LLC's FMCSA safety rating is not rated (most carriers never receive one), with 53 roadside inspections in the last 24 months, 1 recorded crashes, 0 of the five public BASICs carrying an acute or critical violation from an FMCSA investigation. The full inspection-level record is on this page.

When does G4 Tank Lines LLC's insurance renew?

Based on its filing history, G4 Tank Lines LLC's BI/PD policy is estimated to renew in Q2 2027. The exact estimated X-date, with alerts when it changes, is in Market Tracker. Unlock USDOT 4013855’s exact X-date →

How many trucks does G4 Tank Lines LLC operate?

G4 Tank Lines LLC reports 56 power units and 55 drivers in its latest MCS-150 census filing.

Source: FMCSA census, Licensing & Insurance (L&I) and SMS publications, mirrored and refreshed daily. Record last synced Sep 7, 2026. Native Base is not affiliated with FMCSA; always confirm against the live federal record before binding.

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