Fleet typeIdentity
Small fleet
56 power units. Brokers price each fleet type apart.
Carrier profile · USDOT 4013855 · MC-1512057 · Updated Aug 16, 2026
G4 Tank Lines LLC
56 power unitsavg 12.7 yrMulti-region · 8 statesDENVER, CO100/100
CARRIER ACTIVEMC-1512057 ACTIVEHAZMAT
Observed fleet · trailing 24 mo daily
56Power units
34 observed · MCS-150
28Trailers seen
Decoded · vPIC
12.7Avg age (yr)
1997–2026 · vPIC
Click to see how we scored it
Load decision · FMCSA snapshot · Aug 16, 2026
Clear to load
Active authority and a clean federal record. No blocking issues found.
Watch · 0
Nothing flagged.
In good standing · 4
Active operating authorityActive for-hire authority is on file with FMCSA.Insurance on fileBIPD (liability) insurance is on file with FMCSA.Out-of-service rates below national averageBoth vehicle and driver OOS rates beat the national benchmark across 65 inspections.No reported crashesNo DOT-reportable crashes are on this carrier's record.
USDOT registration33 yr registered
Active for-hireInsurance (BIPD)On file
FMCSA L&IVehicle OOS · 24-mo18.2%
▼ 22.26% nat'lCrashes · fatal00
Clean · 24 moVektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots
Fleet age vs peersOlder
12.7 yr
Model years 1997–2026 · peer benchmark unavailable.
Identity stabilityStable
3 yr unchanged
Same registration since 2023 — no chameleon / reincarnation signal.
Loading full carrier record…
Verification summary
G4 TANK LINES LLC (USDOT 4013855) has a Vektor safety score of 100/100 and a Clear to load verdict, from the carrier's FMCSA record refreshed Aug 16, 2026.
The carrier holds active common for-hire operating authority per FMCSA L&I as of Aug 16, 2026.
It has no active BIPD insurance filing in FMCSA L&I's current snapshot as of Aug 16, 2026.
Its vehicle out-of-service rate was 18.2% over the last 24 months, versus the 22.26% CVSA national average, from FMCSA roadside-inspection data refreshed Aug 16, 2026.
The carrier received 51 roadside inspections in the last 24 months — 44 vehicle-level and 51 driver-level — across 8 states, according to FMCSA roadside-inspection data refreshed Aug 16, 2026.
The carrier has 0 reportable crashes in the last 24 months and 0 fatal crashes across the full FMCSA crash record available as of Aug 16, 2026.
It reports 56 power units and 55 drivers in its most recent MCS-150 filing dated Apr 16, 2026.
It has no FMCSA-assigned safety rating in the federal record refreshed Aug 16, 2026.
09
Frequently asked
What is G4 TANK LINES LLC's USDOT number?
G4 TANK LINES LLC's USDOT number is 4013855, and its motor carrier number is MC-1512057.
Is G4 TANK LINES LLC authorized to operate?
As of Aug 16, 2026, G4 TANK LINES LLC is active in the FMCSA register with common, contract, broker operating authority on file.
What is G4 TANK LINES LLC's safety record?
G4 TANK LINES LLC has a 18.2% vehicle out-of-service rate (national average 22.26%) across 65 roadside inspections, with 0 reportable crashes in the last 24 months, and is not currently rated by FMCSA. Vektor's computed risk score is 100/100 (tier: clear).
How big is G4 TANK LINES LLC's fleet?
G4 TANK LINES LLC operates 56 power units and 55 drivers per its most recent MCS-150 filing.
Where is G4 TANK LINES LLC based?
G4 TANK LINES LLC is based in DENVER, CO, with roadside inspections recorded across 8 states.
10
Similar carriers near Denver, CO
Comparable carriers around Denver and across Colorado
More Colorado carriers
Other FMCSA-registered carriers near this one in the directory, by USDOT number.