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

    $2,198.50 - $2,198.50
    $2,198.50
    $2,198.50 - $2,198.50
    $2,198.50

    Heat transfer fluid formulation of propylene designed package of industrial corrosion inhibitors. The fluid is dyed pink for leak detection. This p...

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    $2,198.50 - $2,198.50
    $2,198.50
    $2,198.50 - $2,198.50
    $2,198.50

  • TRUEGARD SYN BLEND 5W30 Motor Oil - 55 Gallon Drum

    $649.25 - $649.25
    $649.25
    $649.25 - $649.25
    $649.25

    *THIS IS FOR 55 GAL API SN/GF 6 CERTIFIED Every shop needs a 55-gallon 5W-30 drum, especially when it's filled with genuine TRUEGARD motor oil. Thi...

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    $649.25 - $649.25
    $649.25
    $649.25 - $649.25
    $649.25
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    TRUEGARD Non Chlorinated Brake Cleaner - 55 Gallon Drum

    $712.81 - $712.81
    $712.81
    $712.81 - $712.81
    $712.81

    Non Chlorinated Brake Cleaner: This professional strength brake cleaner formula cleans even the most dirty brake systems. Volatile Organic Componen...

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    $712.81 - $712.81
    $712.81
    $712.81 - $712.81
    $712.81

  • TRUEGARD Anti-Wear Hydraulic Oil AW 46 - 55 Gallon Drum

    $607.13 - $607.13
    $607.13
    $607.13 - $607.13
    $607.13

    TRUEGARD Anti-Wear Hydraulic Oils are premium performance mineral based hydraulic fluids prevent wear and transfer power formulated with patented T...

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    $607.13 - $607.13
    $607.13
    $607.13 - $607.13
    $607.13

  • TRUEGARD 10W30 SYN BLEND Motor Oil - 55 Gallon Drum

    $649.25 - $649.25
    $649.25
    $649.25 - $649.25
    $649.25

    *THIS PRICE IS FOR 55 GAL DRUM API SN/GF5 CERTIFIED TRUEGARD 10W-30 motor oil in a 55-gallon drum is a must-have for just about any repair shop, de...

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    $649.25 - $649.25
    $649.25
    $649.25 - $649.25
    $649.25
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    TRUEGARD Mineral Spirits Safety Solvents - 142 Flash Point - 55 Gallon Drum

    $682.36 - $682.36
    $682.36
    $682.36 - $682.36
    $682.36

    Ensure you are fully prepared for any cleaning or degreasing challenge with TRUEGARD 142 Mineral Spirits Safety Solvents. This general-purpose alip...

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    $682.36 - $682.36
    $682.36
    $682.36 - $682.36
    $682.36
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    TRUEGARD Anti-Wear Hydraulic Oil AW 32 - 55 Gallon Drum

    $607.13 - $607.13
    $607.13
    $607.13 - $607.13
    $607.13

    * THIS PRICE IS FOR 55 GAL TRUEGARD Anti-Wear Hydraulic Oils are premium performance mineral based hydraulic fluids prevent wear and transfer power...

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    $607.13 - $607.13
    $607.13
    $607.13 - $607.13
    $607.13
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    Oil Eater Cleaner Degreaser- 55 Gallon Drum

    $516.61 - $516.61
    $516.61
    $516.61 - $516.61
    $516.61

    Safely Dissolves Grease and Oils on Most Everything! Get rid of grease and oil from asphalt and concrete and everything in between; as well as engi...

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    $516.61 - $516.61
    $516.61
    $516.61 - $516.61
    $516.61
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    Shell Rotella T4 Triple Protection 15W-40 Heavy Duty Motor Oil - 55 Gallon Drum

    Shell Rotella T4 Triple Protection 15W-40 Heavy Duty Motor Oil - 55 Gallon Drum

    $1,261.47 - $1,261.47
    $1,261.47
    $1,261.47 - $1,261.47
    $1,261.47

    Our selection of Shell ROTELLA T4 Triple Protection heavy duty motor oil builds upon the heritage of Triple Protection technology that customers ha...

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    $1,261.47 - $1,261.47
    $1,261.47
    $1,261.47 - $1,261.47
    $1,261.47
  • Mobil Vactra 2 Oil Slideway Lubricant- 55 Gallon Drum

    Mobil Vactra 2 Oil Slideway Lubricant Waylube- 55 Gallon Drum

    $1,510.95 - $1,510.95
    $1,510.95
    $1,510.95 - $1,510.95
    $1,510.95

    Mobil Vactra Oil No. 2 Slideway Waylube offer a premium-quality  mineral based lubricant that is used in machine tool slideways. Lubricants that ar...

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    $1,510.95 - $1,510.95
    $1,510.95
    $1,510.95 - $1,510.95
    $1,510.95
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    Shell Diala S2 ZX-A Electrical Insulating Oil - 55 Gallon Drum

    Shell Diala S2 ZX-A Electrical Insulating Oil - 55 Gallon Drum

    $1,328.50 - $1,328.50
    $1,328.50
    $1,328.50 - $1,328.50
    $1,328.50

    Formerly Shell Diala AX Transformer Oil - Shell Diala S2 ZX-A Inhibited Electrical Insulating Oil is formulated from refined mineral oils. Its effe...

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    $1,328.50 - $1,328.50
    $1,328.50
    $1,328.50 - $1,328.50
    $1,328.50
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    TRUEGARD Anti-Wear Hydraulic Oil AW 68 - 55 Gallon Drum

    $607.13 - $607.13
    $607.13
    $607.13 - $607.13
    $607.13

    TRUEGARD Anti-Wear Hydraulic Oils are premium performance mineral based hydraulic fluids  prevent wear and transfer power formulated with patented ...

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    $607.13 - $607.13
    $607.13
    $607.13 - $607.13
    $607.13
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    TRUEGARD -Propylene Glycol Usp Kosher 100% Concentrate - 55 Gallon Drum

    $2,225.50 - $2,225.50
    $2,225.50
    $2,225.50 - $2,225.50
    $2,225.50

    Our Food Grade Propylene Glycol displays USP on the barrel and allows the product to be placed in food-related products in small quantities. TRUEGA...

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    $2,225.50 - $2,225.50
    $2,225.50
    $2,225.50 - $2,225.50
    $2,225.50

  • TRUEGARD 15W40 Motor Oil - 55 Gallon Drum

    $741.42 - $741.42
    $741.42
    $741.42 - $741.42
    $741.42

    TRUEGARD SEMI SYNTHETIC 15W/40 combines premium base stocks with next-generation additive technology to produce our most fuel efficient cleanest bu...

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    $741.42 - $741.42
    $741.42
    $741.42 - $741.42
    $741.42

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

    $1,478.50 - $1,478.50
    $1,478.50
    $1,478.50 - $1,478.50
    $1,478.50

    Heat transfer fluid formulation of propylene designed package of industrial corrosion inhibitors. The fluid is dyed pink for leak detection. This ...

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    $1,478.50 - $1,478.50
    $1,478.50
    $1,478.50 - $1,478.50
    $1,478.50
  • Pumicized Turbo Cherry - Case of 4 (1 Gallon)

    Pumicized Turbo Cherry - Case of 4 (1 Gallon)

    $149.14 - $149.14
    $149.14
    $149.14 - $149.14
    $149.14

    Includes 4 gallons per case!! Heavy-duty lotion hand cleaner. Fresh, cherry fragrance. Fine-ground, American pumice. Water-soluable and biodegrada...

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    $149.14 - $149.14
    $149.14
    $149.14 - $149.14
    $149.14

  • TRUEGARD Way Lube 68 Oil - 55 Gallon Drum

    $897.50 - $897.50
    $897.50
    $897.50 - $897.50
    $897.50

    TRUEGARD Way Lube 68 Oils are specially designed for the lubrication of machine tool slides, tables and feed mechanisms. Their enhanced tacki...

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    $897.50 - $897.50
    $897.50
    $897.50 - $897.50
    $897.50

  • Shell Tonna S2 MX 68 Machine Tool Slideways Oil - 5 Gallon

    $192.20 - $192.20
    $192.20
    $192.20 - $192.20
    $192.20

    Machine tool slideway oils are specially designed for the lubrication of machine tool slides, tables and feed mechanisms. Their enhanced tackiness ...

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    $192.20 - $192.20
    $192.20
    $192.20 - $192.20
    $192.20

  • TRUEGARD Semi Synthetic Coolant 266 - 55 Gallon Drum

    $884.58 - $884.58
    $884.58
    $884.58 - $884.58
    $884.58

    TRUEGARD SS-266 Semi-Synthetic Coolant Concentrate TRUEGARD SS-266 is a versatile semi-synthetic coolant concentrate engineered for a broad spectru...

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    $884.58 - $884.58
    $884.58
    $884.58 - $884.58
    $884.58

  • TRUEGARD Soluble Oil 100 - 5 Gallon Pail

    $135.05 - $135.05
    $135.05
    $135.05 - $135.05
    $135.05

    All purpose water soluble coolant. Fits most cutting operations. Whether you're running a large machine shop or you just need an all-purpose, water...

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    $135.05 - $135.05
    $135.05
    $135.05 - $135.05
    $135.05

  • TRUEGARD 5W30 Full Synthetic Motor Oil - 55 Gallon Drum

    $1,110.45 - $1,110.45
    $1,110.45
    $1,110.45 - $1,110.45
    $1,110.45

    TRUEGARD 5W-30 synthetic motor oil is a premium, versatile lubricant engineered for both cold-weather and hot-weather performance. Its advanced for...

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    $1,110.45 - $1,110.45
    $1,110.45
    $1,110.45 - $1,110.45
    $1,110.45
  • Shell Tellus S2 VX 15 Hydraulic Oil - 5 Gallon Pail

    Shell Tellus S2 VX 15 Hydraulic Oil - 5 Gallon Pail

    $215.89 - $215.89
    $215.89
    $215.89 - $215.89
    $215.89

    Shell Tellus S2 VX fluids are high performance hydraulic fluids that use Shell's unique patented technology with excellent viscosity control under ...

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    $215.89 - $215.89
    $215.89
    $215.89 - $215.89
    $215.89
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    Shell Gadus S2 V220 2 High Performance Multipupose Extreme Pressure Grease - Case of 10 (14 oz Tubes)

    Shell Gadus S3 V220 2 High Performance Multipupose Extreme Pressure Grease - Case of 10 (14 oz Tubes)

    $167.08 - $167.08
    $167.08
    $167.08 - $167.08
    $167.08

    Download Safety Data Sheet (PDF)Download Technical Data Sheet (PDF) Not all lubricants are created equal; that's particularly true when you need a ...

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    $167.08 - $167.08
    $167.08
    $167.08 - $167.08
    $167.08
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    Shell Omala S4 GX 220 Advanced Synthetic Industrial Gear Oil - 5 Gallon Pail

    Shell Omala S4 GXV 220 Advanced Synthetic Industrial Gear Oil - 5 Gallon Pail

    $321.89 - $321.89
    $321.89
    $321.89 - $321.89
    $321.89

    Shell Omala S4 GXV 220 is an advanced synthetic heavy duty industrial gear oil offering outstanding lubrication performance under severe operating ...

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    $321.89 - $321.89
    $321.89
    $321.89 - $321.89
    $321.89
Keller-Heartt carries a full line of automotive products to keep your vehicles running great. Whether you need antifreeze and coolants, oils and lubricants, oil eater and degreaser, or anything in between, we’ve got it. Shop your favorite brands like Truegard, Shell, and Oil Eater, get great prices, and get free shipping from Keller-Heartt.
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Bulk Diesel Exhaust Fluid for Commercial Trucks and Fleets

Diesel exhaust fluid, commonly called DEF, is used in vehicles equipped with selective catalytic reduction systems to help reduce emissions. Keller-Heartt supplies DEF in commercial quantities for individual trucks, repair facilities, and large fleet operations. Browse available package sizes or visit our BlueDEF collection for DEF fluid, pumps, and dispensing equipment.

Choosing and Handling DEF

Proper DEF storage and handling help protect product quality and reduce the risk of equipment problems. Customers managing commercial vehicles can review our guide to troubleshooting common DEF issues for help identifying contamination, storage, dispensing, and system concerns.

Shop 330- Gallon Tote DEF

Frequently Asked Questions About Diesel Exhaust Fluid

Understanding how to store, handle, and dispense DEF can help protect product quality, prevent equipment issues, and make fleet maintenance more efficient.

  • Diesel exhaust fluid, commonly called DEF, is used in diesel vehicles equipped with selective catalytic reduction systems. It is injected into the exhaust stream to help reduce nitrogen oxide emissions. DEF is not a fuel additive and should never be poured into the diesel fuel tank. For additional vehicle-maintenance products, browse Keller Heartt’s commercial truck supplies.

  • DEF should be kept in a clean, sealed container and protected from contamination, direct sunlight, and extreme temperatures. It should also be stored away from fuels, oils, dust, and other materials that could affect its purity. For more guidance on storage and handling concerns, review Keller Heartt’s DEF troubleshooting guide.

  • Yes. Contaminated DEF can cause warning lights, reduced engine performance, damage to the selective catalytic reduction system, or costly repairs. Water, fuel, oil, dirt, or the wrong dispensing equipment can all affect DEF quality. Keller Heartt’s DEF troubleshooting resource can help customers identify common storage, contamination, and system issues.

  • The right package size depends on fleet size, DEF usage, storage space, and how often new product can be delivered. Smaller fleets may prefer jugs or drums, while larger operations may benefit from totes or other bulk formats. For help planning DEF alongside oil, coolant, and other maintenance fluids, review the Keller Heartt fleet maintenance guide.

  • DEF should be dispensed with equipment specifically designed for DEF because standard fuel or oil pumps may introduce contamination or use incompatible materials. A 55-gallon drum typically requires a drum pump or electric dispensing system, while a tote usually requires an IBC-compatible pump and hose setup. Browse Keller Heartt’s BlueDEF products, pumps, and dispensing systems to compare available options.

    For diesel fuel treatments, anti-gel products, and other cold-weather maintenance needs, visit the fuel and oil additives collection