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    TRUEGARD Global Antifreeze: 100% Concentrate - 55 Gallon Drum

    $828.63 - $828.63
    $828.63
    $828.63 - $828.63
    $828.63

    TRUEGARD Global Antifreeze: 100% Concentrate Antifreeze and Coolant protects automotive and light truck engines year round from cooling and overhea...

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    $828.63 - $828.63
    $828.63
    $828.63 - $828.63
    $828.63
  • Best Sellers badge
    Shell Rotella ELC Pre-diluted 50/50 Antifreeze Coolant - 55 Gallon Drum

    Shell Rotella ELC Pre-diluted 50/50 Antifreeze Coolant - 55 Gallon Drum

    $741.49 - $741.49
    $741.49
    $741.49 - $741.49
    $741.49

    Applicable for heavy-duty diesel, natural gas and gasoline powered engines, the 55 gallon drum of Shell Rotella ELC 50/50 is a fill-for-life, pre-d...

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    $741.49 - $741.49
    $741.49
    $741.49 - $741.49
    $741.49

  • TRUEGARD-Ethylene Glycol Inhibited-Heat Transfer Fluid 100% Concentrate - 55 Gallon Drum

    $1,649.02 - $1,649.02
    $1,649.02
    $1,649.02 - $1,649.02
    $1,649.02

    Heat transfer fluid formulation of ethylene glycol and a specially designed package of industrial corrosion inhibitors. This fluid is dyed fluore...

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    $1,649.02 - $1,649.02
    $1,649.02
    $1,649.02 - $1,649.02
    $1,649.02

  • TRUEGARD Ethylene Glycol Inhibited-Heat Transfer Fluid 50/50 - 55 Gallon Drum

    $1,186.91 - $1,186.91
    $1,186.91
    $1,186.91 - $1,186.91
    $1,186.91

    Keller-Heartt TRUEGARD® Ethylene Glycol Heat Transfer Fluid 100% is a fully-formulated ethylene glycol- based heat transfer fluid containing an...

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    $1,186.91 - $1,186.91
    $1,186.91
    $1,186.91 - $1,186.91
    $1,186.91

  • ShellZone DexCool Ready to Use 50/50 Antifreeze - 55 Gallon Drum

    $627.90 - $627.90
    $627.90
    $627.90 - $627.90
    $627.90

    Shell Dexcool AF/C 50/50 Extended Life Antifreeze Shell DEX-COOL® Extended Life Antifreeze/Coolant is a single-phase, ethylene glycol based, e...

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    $627.90 - $627.90
    $627.90
    $627.90 - $627.90
    $627.90

  • TRUEGARD Red 50/50 Antifreeze - 55 Gallon Drum

    $655.56 - $655.56
    $655.56
    $655.56 - $655.56
    $655.56

    Red 50/50 Antifreeze/Coolant is a ready-to-use engine coolant designed for optimal convenience and performance. This premixed formula combines equa...

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    $655.56 - $655.56
    $655.56
    $655.56 - $655.56
    $655.56
  • ShellZone DEX-COOL Concentrate Antifreeze/Coolant - Case of 6 (1 Gallon)

    ShellZone DEX-COOL Concentrate Antifreeze/Coolant - Case of 6 (1 Gallon)

    $143.33 - $143.33
    $143.33
    $143.33 - $143.33
    $143.33

    As a universal antifreeze and coolant solution for automobile and diesel engines, ShellZone DEX-COOL Extended Life Antifreeze/Coolant is a powerful...

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    $143.33 - $143.33
    $143.33
    $143.33 - $143.33
    $143.33
  • ShellZone Dex-Cool Concentrate Antifreeze - 55 Gallon Drum

    ShellZone Dex-Cool Concentrate Antifreeze - 55 Gallon Drum

    $896.33 - $896.33
    $896.33
    $896.33 - $896.33
    $896.33

    Shell DEX-COOL Extended Life Antifreeze/Coolant is a single-phase, ethylene glycol based, extended life, universal automotive engine coolant based ...

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    $896.33 - $896.33
    $896.33
    $896.33 - $896.33
    $896.33
  • Diesel Fuel Supplement - Case Of 12 (1 QT Containers)

    Diesel Fuel Supplement - Case Of 12 (26 OZ Containers)

    $118.22 - $118.22
    $118.22
    $118.22 - $118.22
    $118.22

    Buy Diesel Fuel Supplement +Cetane Boost in cases of 12 (26 OZ Containers). Diesel Fuel Supplement +Cetane Boost is used as a winterizer/antigel in...

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    $118.22 - $118.22
    $118.22
    $118.22 - $118.22
    $118.22

  • TRUEGARD Automotive Low Tox Antifreeze/Coolant 50/50 - 55 Gallon Drum

    $1,564.73 - $1,564.73
    $1,564.73
    $1,564.73 - $1,564.73
    $1,564.73

    TRUEGARD Automotive Low Tox Antifreeze/Coolant 50/50 is a premium pre-diluted engine coolant designed to deliver reliable performance and enhanced ...

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    $1,564.73 - $1,564.73
    $1,564.73
    $1,564.73 - $1,564.73
    $1,564.73
  • ShellZone DEX-COOL Ready to Use 50/50 Antifreeze - Case of 6 (1 Gallon)

    ShellZone DEX-COOL Ready to Use 50/50 Antifreeze - Case of 6 (1 Gallon)

    $95.30 - $95.30
    $95.30
    $95.30 - $95.30
    $95.30

    Shell DEX-COOL Extended Life 50/50 Antifreeze/Coolant is a single-phase, ethylene glycol based, extended life, universal automotive engine coolant ...

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    $95.30 - $95.30
    $95.30
    $95.30 - $95.30
    $95.30
  • Shell Rotella ELC Concetrate Antifreeze - 55 Gallon Drum

    Shell Rotella ELC Concentrate Antifreeze - 55 Gallon Drum

    $1,260.00 - $1,260.00
    $1,260.00
    $1,260.00 - $1,260.00
    $1,260.00

    Shell Rotella ELC Concentrate is an extended-life coolant system and antifreeze that doesn't require supplemental coolant additives. With excellent...

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    $1,260.00 - $1,260.00
    $1,260.00
    $1,260.00 - $1,260.00
    $1,260.00

  • ShellZone Multi-Vehicle Extended Life 50/50 Antifreeze & Coolant - Case Of 6 (1 Gallon Containers)

    $96.78 - $96.78
    $96.78
    $96.78 - $96.78
    $96.78

    As with the Concentrate, ShellZone Multi-Vehicle Extended Life 50/50 Antifreeze and Coolant protects automotive and light truck engines year round ...

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    $96.78 - $96.78
    $96.78
    $96.78 - $96.78
    $96.78

  • Truegard Global Antifreeze 50/50 - 55 Gallon Drum

    $649.99 - $649.99
    $649.99
    $649.99 - $649.99
    $649.99

    TRUEGARD Global Antifreeze: 100% Concentrate Antifreeze and Coolant protects automotive and light truck engines year round from cooling and overhe...

    View full details
    $649.99 - $649.99
    $649.99
    $649.99 - $649.99
    $649.99

  • TRUEGARD Marine RV - 50 Antifreeze - 55 Gallon Drum

    $748.51 - $748.51
    $748.51
    $748.51 - $748.51
    $748.51

    The TRUEGARD Marine RV 50 Antifreeze is a reliable solution for safeguarding your water-containing systems and equipment throughout the winter mont...

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    $748.51 - $748.51
    $748.51
    $748.51 - $748.51
    $748.51
  • Diesel 911 Diesel Fuel Supplement - Case Of 12 (1 QT Containers)

    Diesel 911 Diesel Fuel Supplement - Case Of 12 (26 OZ Containers)

    $160.11 - $160.11
    $160.11
    $160.11 - $160.11
    $160.11

    Buy Diesel 911 in cases Of 12 (26 OZ containers). The Winter Rescue Formula of Diesel 911 restores the flow of diesel fuel to an engine caused by g...

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    $160.11 - $160.11
    $160.11
    $160.11 - $160.11
    $160.11

  • Propylene Glycol Uninhibited-Heat Transfer Fluid 100% Concentrate TRUEGARD

    $1,925.50 - $1,925.50
    $1,925.50
    $1,925.50 - $1,925.50
    $1,925.50

    Heat transfer fluid is dyed fluorescent pink for leak detection. Solutions in water provide freeze protection to below -60 degrees F and burst pro...

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    $1,925.50 - $1,925.50
    $1,925.50
    $1,925.50 - $1,925.50
    $1,925.50
  • Diesel Fuel Supplement - Case Of 6 (80oz Containers)

    Diesel Fuel Supplement - Case Of 6 (80oz Containers)

    $151.76 - $151.76
    $151.76
    $151.76 - $151.76
    $151.76

    Buy Diesel Fuel Supplement +Cetane Boost in Cases Of 6 (80oz Containers). Diesel Fuel Supplement +Cetane Boost is used as a winterizer/antigel in t...

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    $151.76 - $151.76
    $151.76
    $151.76 - $151.76
    $151.76

  • Power Service Bio Kleen - 4 One Gallon Jugs

    $969.78 - $969.78
    $969.78
    $969.78 - $969.78
    $969.78

    Bio Kleen Diesel Fuel Biocide is a dual-phase (effective in both diesel fuel andwater) biocide that kills microbes in fuel, including bacteria and ...

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    $969.78 - $969.78
    $969.78
    $969.78 - $969.78
    $969.78
  • ShellZone Multi-Vehicle Extended Life 50/50 Antifreeze & Summer Coolant - 55 Gallon Drum

    ShellZone Multi-Vehicle Extended Life 50/50 Antifreeze & Summer Coolant - 55 Gallon Drum

    $668.51 - $668.51
    $668.51
    $668.51 - $668.51
    $668.51

    All the same quality features as the Concentrate. When used at a 50/50 ratio of antifreeze to good quality water, the solution will provide protect...

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    $668.51 - $668.51
    $668.51
    $668.51 - $668.51
    $668.51
  • Diesel Fuel Supplement - 55 Gallon Drum

    Diesel Fuel Supplement - 55 Gallon Drum

    $2,724.75 - $2,724.75
    $2,724.75
    $2,724.75 - $2,724.75
    $2,724.75

    Buy Diesel Fuel Supplement +Cetane Boost in 55 Gallon Drums. Diesel Fuel Supplement +Cetane Boost is used as a winterizer/antigel in the cold winte...

    View full details
    $2,724.75 - $2,724.75
    $2,724.75
    $2,724.75 - $2,724.75
    $2,724.75
  • Diesel 911 Diesel Fuel Supplement - Case Of 6 (80 Oz Containers)

    Diesel 911 Diesel Fuel Supplement - Case Of 6 (80 Oz Containers)

    $152.27 - $152.27
    $152.27
    $152.27 - $152.27
    $152.27

    Buy Diesel 911 in cases of 6 (80 Oz Containers). The Winter Rescue Formula of Diesel 911 restores the flow of diesel fuel to an engine caused by ge...

    View full details
    $152.27 - $152.27
    $152.27
    $152.27 - $152.27
    $152.27

  • TRUEGARD Ethylene Glycol Uninhibited-Heat Transfer Fluid 100% Concentrate

    $1,649.02 - $1,649.02
    $1,649.02
    $1,649.02 - $1,649.02
    $1,649.02

    Heat transfer fluid is dyed fluorescent pink for leak detection. Solutions in water provide freeze protection to below -60 degrees F and burst pro...

    View full details
    $1,649.02 - $1,649.02
    $1,649.02
    $1,649.02 - $1,649.02
    $1,649.02

  • TRUEGARD -Ethylene Glycol Uninhibited-Heat Transfer Fluid 50/50 - 55 Gallon Drum

    $1,291.91 - $1,291.91
    $1,291.91
    $1,291.91 - $1,291.91
    $1,291.91

    Heat transfer fluid is dyed fluorescent pink for leak detection. Solutions in water provide freeze protection to below -60 degrees F and burst p...

    View full details
    $1,291.91 - $1,291.91
    $1,291.91
    $1,291.91 - $1,291.91
    $1,291.91

Commercial Truck Supplies

Keeping commercial trucks on the road requires the right fluids, lubricants, and maintenance supplies. Keller-Heartt carries commercial truck supplies for fleet operators, repair shops, owner-operators, and heavy-duty vehicle maintenance teams, with products available in everything from cases and pails to 55-gallon drums and bulk totes.

Shop diesel exhaust fluid (DEF), heavy-duty motor oil, antifreeze and coolant, fuel and oil additives, hydraulic fluids, lubricants, cleaners, and fluid-handling equipment from brands including Truegard, Shell, BlueDEF, Peak, and other trusted manufacturers.

Diesel Exhaust Fluid for Commercial Trucks

Diesel exhaust fluid (DEF) is essential for diesel vehicles equipped with Selective Catalytic Reduction (SCR) systems. Maintaining a reliable supply of DEF helps keep emissions systems operating properly and commercial trucks on the road.

Keller-Heartt offers BlueDEF and other diesel exhaust fluid options in multiple quantities, including smaller containers, 55-gallon drums and 275- and 330-gallon totes for larger fleet operations. DEF pumps and dispensing equipment are also available for shops and facilities managing fluid in bulk.

Heavy-Duty Diesel Engine Oil

Commercial diesel engines operate under demanding conditions, making the right heavy-duty motor oil an important part of preventive fleet maintenance.

Keller-Heartt carries diesel engine oils and lubricants for commercial trucks and heavy-duty equipment, including Truegard and Shell products in multiple viscosity grades and container sizes. Fleet managers can purchase smaller quantities or stock maintenance facilities with pails, drums and bulk options based on usage.

Fuel & Oil Additives

Diesel fuel additives and oil additives can support specific maintenance needs, including cold-weather operation, fuel system performance and lubrication.

Keller-Heartt carries fuel treatments and additives for commercial diesel vehicles from brands including Power Service and other manufacturers. Product selection should be based on the fuel system, operating conditions and manufacturer's recommendations.

Fleet Lubricants & Maintenance Fluids

Commercial fleet maintenance extends beyond engine oil and DEF. Depending on the truck and equipment, maintenance programs may also require hydraulic oil, transmission fluid, gear oil, grease, brake cleaner and other specialty lubricants and fluids.

Keeping the appropriate products on hand can help maintenance teams perform scheduled service efficiently and reduce delays caused by waiting for frequently used fluids and supplies.

Buying Commercial Truck Fluids in Bulk

For fleets and commercial repair facilities, purchasing frequently used fluids in larger quantities can simplify inventory management and reduce the need for repeated small orders.

Keller-Heartt offers many commercial truck fluids in cases, pails, 55-gallon drums, 275-gallon totes and 330-gallon totes, depending on the product. Bulk options are especially useful for DEF, motor oil, coolant and other fluids used regularly across multiple vehicles.

Not sure how much product your operation needs? Keller-Heartt can help determine an appropriate product and container size based on your fleet and maintenance requirements.