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 Jun 19, 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

Inspection activity   Inspected in 7 states over the past 24 months: TX (20), MT (8), CO (5), WY (5), OH (2), NM (2), LA (1). Home base: Denver, Colorado.

Safety Record

8 Severe Violations Updated Jul 20, 2026

Crashes (24 mo)

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

Behavior Categories (BASICs)

CategoryMeasureViolations Unsafe Driving 0.82 2 Crash Indicator Not Public Hours of Service 0.35 3 Vehicle Maintenance 5.06 17 Drugs / Alcohol 0 0 Hazmat Not Public Driver Fitness 0.1 1

Inspection Summary

  • 43
    Total
  • 24
    Clean
  • 19
    With violations

24-month window ending Jun 26, 2026

Violations Cited 53 unique codes

Critical 12

  • 393.75A3-TAOLTires - All others, leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS OOS×2 SW 8
  • 383.23A2-LCDLNLicense (CDL) - Operate a CMV and does not possess a valid CDL OOS×1 SW 8
  • 393.75(a)(3)Tire-flat and/or audible air leak OOS×1 SW 8
  • 178.345-11B1III-HMPHM (Packaging) - DOT 406/407/412 thermal and remote closure. SW 8
  • 393.207F-SDASSuspension - Deflated air suspension OOS×1 SW 7
  • 393.41-BNPBBrake - Inoperative or missing parking brake on power unit OOS×1 SW 4
  • 393.47A-BCFSBD-SADrum Brake - Contaminated friction surface on a steering axle OOS×1 SW 4
  • 393.47(b)Mis-matched brake chambers on same axle OOS×1 SW 4
  • 396.3A1-BALRAir Brake - Fails air loss rate test 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. OOS×1 SW 3
  • 393.205(c)Wheel fasteners loose and/or missing 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/combination OOS×1 SW 0

Unsafe Driving 2

  • 392.16-DDriver - Failed to use seat belt while operating a CMV 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, other SW 5

Hours of Service 5

  • 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 Time SW 7
  • 395.8F01Drivers record of duty status not current SW 5
  • 395.24(d)ELD cannot transfer ELD records electronically SW 3
  • 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. SW 1
  • 395.24HOS (ELD) - ELD Form and Manner SW 1

Vehicle Maintenance 30

  • 393.9HInoperable head lamps SW 6
  • 393.9TSInoperative turn signal SW 6
  • 393.9A-LFTSILighting - Front - Turn signal - inoperative SW 6
  • 393.9A-HLLHLighting - Headlamp(s) fail to operate on low and high beam SW 6
  • 393.209(e)Power steering violations SW 6
  • 393.45D-BAir Brake - Audible air leak at a proper connection 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. SW 4
  • 393.55E-BAir Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1, 1998 SW 4
  • 396.17C-PIOperating a CMV without documentation of a periodic inspection SW 4
  • 396.3A1-BALACBrake - Audible air leak from a brake chamber SW 4
  • 393.55D2-BAir Brake - ABS malfunction lamp defective on truck-tractor manufactured on or after March 1, 2001 for towed vehicle. SW 4
  • 393.53(b)CMV manufactured after 10/19/94 has an automatic airbrake adjustment system that fails to compensate for wear SW 4
  • 393.48A-BLMACBDDrum Brake - Loose chamber/spider/camshaft support bracket SW 4
  • 393.48A-BIBDDrum Brake - Inoperative other than a steering axle SW 4
  • 393.48(a)Inoperative/defective brakes SW 4
  • 393.47(e)Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt SW 4
  • 393.45B2-B-AIRAir Brake - Hose/tubing damaged or not secured SW 4
  • 393.11URUpper Rear retroreflective sheeting or reflex reflecting material requirements for vehicles manufactured after December 1993 SW 3
  • 393.11TUTruck-Tractor upper body corner requirements for retroreflective sheeting or reflex reflective material for vehicles manufactured after July 1997 SW 3
  • 393.11LRNo Lower rear retroreflective sheeting or reflex reflective materials as required for vehicles manufactured after December 1993 SW 3
  • 393.11No or defective lighting devices or reflective material as required SW 3
  • 393.9Inoperable Required Lamp SW 2
  • 393.95(f)Emergency Equipment - Stopped vehicle warning devices missing or improper SW 2
  • 393.95A4-EENAEmergency Equipment - Fire Extinguishers - not readily accessible or filled 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. SW 2
  • 393.95A1Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated. SW 2
  • 393.203(e)Cab front bumper missing/unsecured/protrude SW 2
  • 393.60(c)Windshield - Damaged or Discolored SW 1
  • 393.78A-WSWashers - Inoperative washing system. SW 1
  • 393.60EWindshield - Obstructed SW 1

Hazardous Materials 4

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

Locations

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

Location on Map