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    Oil Eater Cleaner Degreaser - 275 Gallon Tote

    $2,369.58 - $2,369.58
    $2,369.58
    $2,369.58 - $2,369.58
    $2,369.58

    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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    $2,369.58 - $2,369.58
    $2,369.58
    $2,369.58 - $2,369.58
    $2,369.58

  • Pennzoil Platinum Euro LX SAE 0W-30 Full Synthetic Motor Oil - Case of 6 (1 qt)

    $82.32 - $82.32
    $82.32
    $82.32 - $82.32
    $82.32

    Specially Formulated for European vehicles Pennzoil Platinum® Euro Full Synthetic Motor Oil with PurePlus® Technology Get complete protection from ...

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    $82.32 - $82.32
    $82.32
    $82.32 - $82.32
    $82.32

  • TRUEGARD 10W30 Full Synthetic Motor Oil - 55 Gallon Drum

    $1,285.75 - $1,285.75
    $1,285.75
    $1,285.75 - $1,285.75
    $1,285.75

    TRUEGARD 10W-30 HD Synthetic Motor Oil is a premium, high-performance lubricant offered by Keller-Heartt Oil in convenient 55-gallon drums. Enginee...

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    $1,285.75 - $1,285.75
    $1,285.75
    $1,285.75 - $1,285.75
    $1,285.75
  • TRUEGARD Soluble Oil - 5 Gallon Pail

    TRUEGARD 308 Rust Preventative - 5 Gallon Pail

    $203.51 - $203.51
    $203.51
    $203.51 - $203.51
    $203.51

    TRUEGARD 308 RUST PREVENTIVE is a premium solvent-based fluid engineered to deliver superior rust protection for metal surfaces. Upon application, ...

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    $203.51 - $203.51
    $203.51
    $203.51 - $203.51
    $203.51

  • TRUEGARD 308 Rust Preventative - 55 Gallon Drum

    $915.56 - $915.56
    $915.56
    $915.56 - $915.56
    $915.56

    TRUEGARD 308 RUST PREVENTIVE is a premium solvent-based fluid engineered to deliver superior rust protection for metal surfaces. Upon application, ...

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    $915.56 - $915.56
    $915.56
    $915.56 - $915.56
    $915.56
  • Shell Turbo T 68 Steam & Gas Turbine Oil - 55 Gallon Drum

    Shell Turbo T 68 Steam & Gas Turbine Oil - 55 Gallon Drum

    $1,398.50 - $1,398.50
    $1,398.50
    $1,398.50 - $1,398.50
    $1,398.50

    Shell Turbo Oils T are premium quality lubricating oils designed to provide excellent lubrication of precision turbines and many other industrial a...

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    $1,398.50 - $1,398.50
    $1,398.50
    $1,398.50 - $1,398.50
    $1,398.50

  • TRUEGARD 5W20 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 10W-30 HD Synthetic Motor Oil is a premium, high-performance lubricant engineered to deliver exceptional protection and efficiency for bot...

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    $1,110.45 - $1,110.45
    $1,110.45
    $1,110.45 - $1,110.45
    $1,110.45
  • WD-40 - Case of 12 (18 Oz Cans)

    WD-40 - Case of 12 (18 Oz Cans)

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

    Known as "the can with thousands of uses", WD-40 protects metal from rust and corrosion, penetrates stuck parts, displaces moisture, and lubricates...

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

  • ShellZone Antifreeze/Coolant 50/50 - 55 Gallon Drum

    $594.09 - $594.09
    $594.09
    $594.09 - $594.09
    $594.09

    Main Applications 55 Gallon Drums of Shellzone Antifreeze offer a high quality, single phase, ethylene glycol based antifreeze. It is a low silica...

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    $594.09 - $594.09
    $594.09
    $594.09 - $594.09
    $594.09
  • Shell Omala S4 GX 320 Advanced Synthetic Heavy Duty Industrial Gear Oil - 5 Gallon Pail

    Shell Omala S4 GXV 320 Advanced Synthetic Heavy Duty Industrial Gear Oil - 5 Gallon Pail

    $452.24 - $452.24
    $452.24
    $452.24 - $452.24
    $452.24

    Shell Omala S4 GXV 320 is an advanced synthetic heavy duty industrial gear oil offering outstanding lubrication performance under severe operating ...

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    $452.24 - $452.24
    $452.24
    $452.24 - $452.24
    $452.24
  • Shell Morlina S4 B 100 Machine Oil - 5 Gallon Pail

    Shell Morlina S4 B 100 Machine Oil - 5 Gallon Pail

    $288.66 - $288.66
    $288.66
    $288.66 - $288.66
    $288.66

    Shell Morlina S4 B 100 is designed to last in severe operating conditions. It's ideal for gearboxes that handle moderate loads, extreme temperature...

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    $288.66 - $288.66
    $288.66
    $288.66 - $288.66
    $288.66
  • 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 5W40 HD SYNTHETIC Motor Oil - 55 Gallon Drum

    $1,185.45 - $1,185.45
    $1,185.45
    $1,185.45 - $1,185.45
    $1,185.45

    There's nothing like having high-quality synthetic motor oil on-hand when you need it. That's why, at Keller-Heartt Oil, we carry TRUEGARD full syn...

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    $1,185.45 - $1,185.45
    $1,185.45
    $1,185.45 - $1,185.45
    $1,185.45

  • Shell Spirax AX 80W-90 Multipurpose Heavy Duty Gear Oil KEG

    $374.17 - $374.17
    $374.17
    $374.17 - $374.17
    $374.17

    Shell Spirax HD 80W-90 is an advanced, high-performance multigrade lubricant formulated for extreme-pressure, multipurpose gear applications. To en...

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    $374.17 - $374.17
    $374.17
    $374.17 - $374.17
    $374.17
  • Shell Gadus S3 V220C 1 Multipurpose Grease - 110 Pound Keg

    Shell Gadus S3 V220C 1 Multipurpose Grease - 110 Pound Keg

    $721.88 - $721.88
    $721.88
    $721.88 - $721.88
    $721.88

    Download Safety Data Sheet (PDF)Download Technical Data Sheet (PDF) Shell Gadus S3 V220C greases are premium multi-purpose greases based on high vi...

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    $721.88 - $721.88
    $721.88
    $721.88 - $721.88
    $721.88
  • Shell Gadus S3 V220C 1 Multipurpose Grease - Case of 10 (14 oz Tubes)

    Shell Gadus S3 V220 C2 Multipurpose 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) Whether you're searching for the perfect lubricant for continuous casting, vibr...

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

  • 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
  • TRUEGARD Hydraulic Oil AW 46 - 5 Gallon Pail

    TRUEGARD Anti-Wear Hydraulic Oil AW 46 - 5 Gallon Pail

    $154.35 - $154.35
    $154.35
    $154.35 - $154.35
    $154.35

    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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    $154.35 - $154.35
    $154.35
    $154.35 - $154.35
    $154.35
  • 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

  • TRUEGARD Automatic Transmission Oil - 55 Gallon Drum

    $831.23 - $831.23
    $831.23
    $831.23 - $831.23
    $831.23

    Automatic Transmission Fluid (ATF) is a precisely engineered lubricant designed to meet the demanding requirements of modern automatic transmission...

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    $831.23 - $831.23
    $831.23
    $831.23 - $831.23
    $831.23

  • Oil Eater Fleet Wash - 5 Gallon Pail

    $100.00 - $100.00
    $100.00
    $100.00 - $100.00
    $100.00

    Oil Eater. FLEET WASH is an “Ultra” concentrated, low VOC cleaner that is strong enough to remove the toughest dirt and grime. Oil Eater. FLEET W...

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    $100.00 - $100.00
    $100.00
    $100.00 - $100.00
    $100.00

  • Shell Rotella ELC Antifreeze-Coolant - Case of 6 (1 Gallon)

    $176.74 - $176.74
    $176.74
    $176.74 - $176.74
    $176.74

    Complete Protection: Designed to provide complete protection of all cooling system components in heavy-duty diesel, gasoline, and natural gas pow...

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    $176.74 - $176.74
    $176.74
    $176.74 - $176.74
    $176.74
  • Shell Gadus S2 V220 00 Extreme Pressure (EP) Multi-Purpose Grease - 110 Pound Keg

    Shell Gadus S2 V220 00 Extreme Pressure (EP) Multi-Purpose Grease - 110 Pound Keg

    $713.39 - $713.39
    $713.39
    $713.39 - $713.39
    $713.39

    Shell Gadus S2 V220 00 greases are high quality multipurpose, extreme-pressure greases based on a blend of high viscosity index mineral oils and a ...

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    $713.39 - $713.39
    $713.39
    $713.39 - $713.39
    $713.39
  • Sprayway M1 Moly Chain & Cable Lubricant - Case of 12

    Sprayway M1 Moly Chain & Cable Lubricant - Case of 12

    $147.61 - $147.61
    $147.61
    $147.61 - $147.61
    $147.61

    12 Count of 15 Oz CansThis chain & cable lubricant provides superior penetrating action to rollers, pins, links and bushings of chains. When a...

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    $147.61 - $147.61
    $147.61
    $147.61 - $147.61
    $147.61

 


 

diesel exhaust fluid, heavy-duty motor oil, antifreeze and coolant, fuel and oil additives from brands including Truegard, Shell, BlueDEF, Peak, and other trusted manufacturers.

 


 

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.

Antifreeze & Coolant

The right heavy-duty antifreeze and coolant helps regulate engine temperature while protecting cooling systems against freezing, overheating and corrosion.

Our commercial truck fluid selection includes products such as ShellZone DEX-COOL and other antifreeze products to DEF pumps, storage equipment and related supplies for diesel engines and fleet applications. Always follow the vehicle or engine manufacturer's specifications when selecting or changing coolant.

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.

Frequently asked questions

Find answers to common questions about our products and services

  • Maintenance requirements vary by vehicle, but common commercial truck fluids include diesel engine oil, diesel exhaust fluid (DEF), antifreeze and coolant, transmission fluid, gear oil, grease and other lubricants. Always follow the manufacturer's maintenance schedule and fluid specifications for each vehicle.

  • Diesel exhaust fluid is used by diesel vehicles equipped with SCR emissions systems. DEF is injected into the exhaust system to help reduce nitrogen oxide emissions. It is stored separately from diesel fuel and should never be added to the fuel tank.

  • Yes. Keller-Heartt carries DEF in several sizes, including options designed for commercial fleets and high-volume users. Depending on the product, this can include 55-gallon drums and 275- or 330-gallon totes, along with DEF pumps and dispensing equipment.

  • A good fleet fluid program starts with identifying the specifications and service intervals for each vehicle. Frequently used products such as motor oil, DEF and coolant can then be stocked in appropriate quantities, while less frequently used fluids can be purchased as needed.

  • Yes. Keller-Heartt carries commercial vehicle fluids and maintenance products in multiple sizes, including cases, pails, drums and bulk totes. This allows businesses to purchase based on the size of their fleet and expected fluid usage.