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Freight Carrier · Denver, CO

G4 TANK LINES LLC

610 SOUTH LIPAN STREET · Denver, CO 80223

AUTHORIZED FOR:
(720) 210-8794 Tap to call
  • MC #1512057
  • USDOT #4013855 USDOT Active
  • 56
    Power Units
  • 55
    Drivers
  • Carrier
    Entity Type

About this carrier

G4 TANK LINES LLC is a Denver, CO freight carrier that is authorized for: in the state of Colorado. This company has 56 truck(s) in their fleet and 55 truck drivers. Their motor carrier number is MC-1512057 and their USDOT number is 4013855.

Sourced from FMCSA SAFER · last filed 04/16/2026 · last updated Oct 7, 2026.

Carrier Details

  • Operating Status AUTHORIZED FOR:
  • MCS-150 Filed 04/16/2026
  • MCS-150 Mileage 1,871,200 (2025)

Authority & Operations

Operation Classification
  • Authorized for Hire
Carrier Operation
  • Interstate

Cargo Authorized

  • Liquids/Gases

Operating Territory

Map of states where this carrier has roadside inspections Texas — 23 inspections (past 24 months) Texas — 23 inspections (past 24 months) Colorado — 10 inspections (past 24 months) Montana — 8 inspections (past 24 months) Wyoming — 5 inspections (past 24 months) Ohio — 3 inspections (past 24 months) Louisiana — 2 inspections (past 24 months) New Mexico — 2 inspections (past 24 months) Oklahoma — 1 inspection (past 24 months)

Inspection activity   Inspected in 8 states over the past 24 months: TX (23), CO (10), MT (8), WY (5), OH (3), LA (2), NM (2), OK (1). Home base: Denver, Colorado.

Safety Record

10 Severe Violations Updated Oct 18, 2026

Crashes (24 mo)

  • 0
    Fatal
  • 1
    Injury
  • 0
    Tow
  • 1
    Total

Behavior Categories (BASICs)

CategoryMeasureViolations Unsafe Driving 1 3 Crash Indicator Not Public — Hours of Service 0.31 5 Vehicle Maintenance 4.07 19 Drugs / Alcohol 0 0 Hazmat Not Public — Driver Fitness 0 0

Inspection Summary

  • 54
    Total
  • 32
    Clean
  • 22
    With violations

24-month window ending Sep 25, 2026

Violations Cited 56 unique codes

Critical 13

  • 393.75A3-TAOLTires - All others, leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS3× OOS×3 SW 8
  • 393.75(a)(3)Tire-flat and/or audible air leak1× OOS×1 SW 8
  • 178.345-6-HMPHM (Packaging) - DOT 406/407/412 supports and anchoring requirements.1× SW 8
  • 178.345-11B1III-HMPHM (Packaging) - DOT 406/407/412 thermal and remote closure.1× SW 8
  • 393.207F-SDASSuspension - Deflated air suspension1× OOS×1 SW 7
  • 393.41-BNPBBrake - Inoperative or missing parking brake on power unit1× OOS×1 SW 4
  • 393.45B2-BHTDAir Brake - Hose/tubing damage into the outer reinforcement ply.1× OOS×1 SW 4
  • 393.47A-BCFSBD-SADrum Brake - Contaminated friction surface on a steering axle1× OOS×1 SW 4
  • 393.47(b)Mis-matched brake chambers on same axle1× OOS×1 SW 4
  • 396.3A1-BALRAir Brake - Fails air loss rate test1× OOS×1 SW 4
  • 177.817A-HMSPHM (Shipping Papers) - Operate a motor vehicle without a required shipping paper. NOTE: An error in the shipping description or an incomplete shipping description that will not impede emergency response does not constitute an OOS condition.1× OOS×1 SW 3
  • 393.205(c)Wheel fasteners loose and/or missing1× OOS×1 SW 2
  • 396.3(a)1BOSBrake - Defective brake(s) are equal to or greater than 20% of the service brakes on the vehicle/combination1× OOS×1 SW 0

Unsafe Driving 2

  • 392.16-DDriver - Failed to use seat belt while operating a CMV2× SW 7
  • 392.2-SLLTCDState/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g., safety official, signal, sign, light, lane marking, other1× SW 5

Hours of Service 6

  • 395.3A2-HOSPDHOS (Property) - Driving beyond the 14 hour after coming on duty following 10 consecutive hours off duty during the current 8 consecutive day period. Date and Time1× SW 7
  • 395.8F1-HOSMHOS (Manner) - Driver's record of duty status not current to the time shown for last change of duty status. Date and Time:1× SW 5
  • 395.8F01Drivers record of duty status not current1× SW 5
  • 395.24(d)ELD cannot transfer ELD records electronically1× SW 3
  • 395.24HOS (ELD) - ELD Form and Manner2× SW 1
  • 395.30B2-ELDDFC24HOS (ELD) - Driver failing to certify the record immediately after the final required entry has been made or corrected for the 24 hour period.1× SW 1

Vehicle Maintenance 31

  • 393.9HInoperable head lamps3× SW 6
  • 393.9TSInoperative turn signal1× SW 6
  • 393.9A-LFTSILighting - Front - Turn signal - inoperative1× SW 6
  • 393.9A-HLLHLighting - Headlamp(s) fail to operate on low and high beam1× SW 6
  • 393.209(e)Power steering violations1× SW 6
  • 393.45D-BAir Brake - Audible air leak at a proper connection3× SW 4
  • 393.55C1-BAir Brake - Truck-tractor manufactured on or after March 1, 1997, not equipped with an ABS system. System does not function or indicates a fault.2× SW 4
  • 393.55E-BAir Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1, 19981× SW 4
  • 396.17C-PIOperating a CMV without documentation of a periodic inspection1× SW 4
  • 396.3A1-BALACBrake - Audible air leak from a brake chamber1× SW 4
  • 393.55D2-BAir Brake - ABS malfunction lamp defective on truck-tractor manufactured on or after March 1, 2001 for towed vehicle.1× SW 4
  • 393.53(b)CMV manufactured after 10/19/94 has an automatic airbrake adjustment system that fails to compensate for wear1× SW 4
  • 393.48A-BLMACBDDrum Brake - Loose chamber/spider/camshaft support bracket1× SW 4
  • 393.48A-BIBDDrum Brake - Inoperative other than a steering axle1× SW 4
  • 393.48(a)Inoperative/defective brakes1× SW 4
  • 393.47(e)Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt1× SW 4
  • 393.45B2-B-AIRAir Brake - Hose/tubing damaged or not secured1× SW 4
  • 393.11URUpper Rear retroreflective sheeting or reflex reflecting material requirements for vehicles manufactured after December 19931× SW 3
  • 393.11TUTruck-Tractor upper body corner requirements for retroreflective sheeting or reflex reflective material for vehicles manufactured after July 19971× SW 3
  • 393.11LRNo Lower rear retroreflective sheeting or reflex reflective materials as required for vehicles manufactured after December 19931× SW 3
  • 393.11No or defective lighting devices or reflective material as required1× SW 3
  • 393.9Inoperable Required Lamp1× SW 2
  • 393.9A-LLPLLighting - License plate lamp inoperative1× SW 2
  • 393.95(f)Emergency Equipment - Stopped vehicle warning devices missing or improper1× SW 2
  • 393.95A4-EENAEmergency Equipment - Fire Extinguishers - not readily accessible or filled1× SW 2
  • 393.95(a)(1)(i)Emergency Equipment (HM) - No 10 B:C (or more) fire extinguisher for quantities of hazardous materials that requires placarding.1× SW 2
  • 393.95A1Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated.1× SW 2
  • 393.203(e)Cab front bumper missing/unsecured/protrude1× SW 2
  • 393.60(c)Windshield - Damaged or Discolored4× SW 1
  • 393.78A-WSWashers - Inoperative washing system.1× SW 1
  • 393.60EWindshield - Obstructed1× SW 1

Hazardous Materials 4

  • 172.516(c)(6)Placard damaged, deteriorated, or obscured1× SW 5
  • 172.328(d)Fail to mark manual remote shutoff device with "Emergency Shutoff"1× SW 5
  • 172.328D-HMMHM (Markings) - Failing to mark a manual remote shut-off device as required3× SW 3
  • 172.201(d)ER phone number not in compliance with Subpart G1× SW 3

Locations

Physical Address
G4 TANK LINES LLC
610 SOUTH LIPAN STREET
DENVER, CO 80223
Mailing Address
Same as physical.

Location on Map

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