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  • Shell Rotella T1 50 (CF/CF-2) Heavy Duty Diesel Engine Oil - 55 Gallon Drum

    Shell Rotella T1 50 (CF/CF-2) Heavy Duty Diesel Engine Oil - 55 Gallon Drum

    $1,432.43 - $1,432.43
    $1,432.43
    $1,432.43 - $1,432.43
    $1,432.43

    Shell Rotella T1 Energized Protection High Quality Heavy Duty Diesel Engine Oils oils use well-proven performance additives to fight engine wear an...

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    $1,432.43 - $1,432.43
    $1,432.43
    $1,432.43 - $1,432.43
    $1,432.43
  • Shell Caprinus XR 20W-40 Railroad & Marine Engine Oil - 55 Gallon Drum

    Shell Caprinus XR 20W-40 Railroad & Marine Engine Oil - 55 Gallon Drum

    $1,786.40 - $1,786.40
    $1,786.40
    $1,786.40 - $1,786.40
    $1,786.40

    For railroad and marine engines, Shell Caprinus XR SAE 20W-40 Railroad and Marine Engine Oil provides high performance and impressive cleanliness f...

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    $1,786.40 - $1,786.40
    $1,786.40
    $1,786.40 - $1,786.40
    $1,786.40
  • TRUEGARD 5W30 Synthetic Motor Oil - 5 Gallon Pail

    TRUEGARD 5W30 Full Synthetic Motor Oil - 5 Gallon Pail

    $137.00 - $137.00
    $137.00
    $137.00 - $137.00
    $137.00

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

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    $137.00 - $137.00
    $137.00
    $137.00 - $137.00
    $137.00

  • Pennzoil Synthetic blend 5W-30 Motor Oil - Case of 6 (1 qt)

    $89.20 - $89.20
    $89.20
    $89.20 - $89.20
    $89.20

    Pennzoil motor oil actively cleans out up to 40% of engine sludge in the first oil change. One more reason more people trust Pennzoil than any othe...

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    $89.20 - $89.20
    $89.20
    $89.20 - $89.20
    $89.20

  • Pennzoil Gold SAE 10W-30 Synthetic Blend Motor Oil - 55 Gallon Drum

    $1,066.89 - $1,066.89
    $1,066.89
    $1,066.89 - $1,066.89
    $1,066.89

    Synthetic Blend Motor Oil Pennzoil Gold cleans out up to 40% of sludge in the first oil change plus keeps pistons up to 10% cleaner than the tough...

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    $1,066.89 - $1,066.89
    $1,066.89
    $1,066.89 - $1,066.89
    $1,066.89
  • Shell Turbo T 32 Turbine Oil - 55 Gallon Drum

    Shell Turbo T 32 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
  • Pennzoil ATF +4 Transmission Fluid - Case of 6 (1 qt)

    Pennzoil ATF +4 Transmission Fluid - Case of 6 (1 qt)

    $89.88 - $89.88
    $89.88
    $89.88 - $89.88
    $89.88

    Pennzoil ATF+4 is an automatic transmission fluid designed specifically for automatic transmissions and transaxles used in Chrysler vehicles. It is...

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    $89.88 - $89.88
    $89.88
    $89.88 - $89.88
    $89.88

  • Oil Eater Universal Sonic Bonded Pads - 100 Pad in case 15" x 18" Medium

    $102.17 - $102.17
    $102.17
    $102.17 - $102.17
    $102.17

    Oil Eater® Sonic Bonded Pads are the economic solution for the widest variety of spill control and clean-up situations. Constructed from a single ...

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    $102.17 - $102.17
    $102.17
    $102.17 - $102.17
    $102.17

  • Shell Tellus S3 M 46 Hydraulic Oil - 55 Gallon drum

    $1,285.00 - $1,285.00
    $1,285.00
    $1,285.00 - $1,285.00
    $1,285.00

    Shell Tellus S3 M 46æfluidsæare high performance hydraulic fluids that use exclusive zinc-free technology to provide outstanding protection and pe...

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    $1,285.00 - $1,285.00
    $1,285.00
    $1,285.00 - $1,285.00
    $1,285.00
  • TRUEGARD Automatic Transmission Oil - 5 Gallon Pail

    TRUEGARD Multi Vehicle ATF Full Synthetic - 5 Gallon Pail

    $136.67 - $136.67
    $136.67
    $136.67 - $136.67
    $136.67

    Keller‐Heartt is proud to recommend TRUEGARD Full Synthetic Multi‐Vehicle Automatic Transmission Fluid (ATF) for use in a broad spectrum of tran...

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    $136.67 - $136.67
    $136.67
    $136.67 - $136.67
    $136.67

  • TRUEGARD Soluble 324 Oil - 55 Gallon Drum

    $1,231.50 - $1,231.50
    $1,231.50
    $1,231.50 - $1,231.50
    $1,231.50

    324 Medium Duty Soluble Oil is an advanced, water-emulsifiable metalworking fluid concentrate engineered for optimal performance in machining opera...

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    $1,231.50 - $1,231.50
    $1,231.50
    $1,231.50 - $1,231.50
    $1,231.50
  • FM HYDRAULIC OIL 68 - 35LB (15.9KG) Pail

    FM HYDRAULIC OIL 68 - 35LB (15.9KG) Pail

    $188.88 - $188.88
    $188.88
    $188.88 - $188.88
    $188.88

    FM HYDRAULIC OIL 15, 32, 46, 68 and 100 are anti-wear multi-purpose lubricants, which are specially designed for use in the food and beverage proce...

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    $188.88 - $188.88
    $188.88
    $188.88 - $188.88
    $188.88
  • Shell Morlina S4 B 220 Synthetic Bearing & Circulating Oil - 55 Gallon Drum

    Shell Morlina S4 B 220 Synthetic Bearing & Circulating Oil - 55 Gallon Drum

    $2,851.98 - $2,851.98
    $2,851.98
    $2,851.98 - $2,851.98
    $2,851.98

    Shell Morlina S4 B oils are high performance synthetic bearing and circulation lubricants, based on high performance base fluids. They offer outsta...

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    $2,851.98 - $2,851.98
    $2,851.98
    $2,851.98 - $2,851.98
    $2,851.98
  • 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
  • Sure Shot Spray Can 32oz. Industrial Model

    Sure Shot Spray Can 32oz. Industrial Model

    $110.55 - $110.55
    $110.55
    $110.55 - $110.55
    $110.55

    Sure Shot sprayers are an inexpensive way to apply bulk chemicals like cleaners, degreasers, penetrating oil, solvents and lubricants. They use rea...

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    $110.55 - $110.55
    $110.55
    $110.55 - $110.55
    $110.55
  • 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
  • Shell Gadus S3 V220C 2 Multi-Pupose Grease - 400 Pound Drum

    Shell Gadus S3 V220C 2 Multi-Pupose Grease - 400 Pound Drum

    $2,387.70 - $2,387.70
    $2,387.70
    $2,387.70 - $2,387.70
    $2,387.70

    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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    $2,387.70 - $2,387.70
    $2,387.70
    $2,387.70 - $2,387.70
    $2,387.70

  • Pennzoil Gold SAE 5W-20 Synthetic Blend Motor Oil - 55 Gallon Drum

    $1,068.11 - $1,068.11
    $1,068.11
    $1,068.11 - $1,068.11
    $1,068.11

    Synthetic Blend Motor Oil Pennzoil Gold cleans out up to 40% of sludge in the first oil change plus keeps pistons up to 10% cleaner than the toughe...

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    $1,068.11 - $1,068.11
    $1,068.11
    $1,068.11 - $1,068.11
    $1,068.11

  • Oil Eater Orange Cleaner Degreaser- Case of 12 (32 oz)

    $65.12 - $65.12
    $65.12
    $65.12 - $65.12
    $65.12

    You'll Be Surprised at All the Uses You'll Find for this Special Cleaner. This special ORANGE formula is highly concentrated to save money. It cuts...

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    $65.12 - $65.12
    $65.12
    $65.12 - $65.12
    $65.12

  • Oil Eater Cleaner Degreaser - Case of 4 (1 Gallon)

    $87.45 - $87.45
    $87.45
    $87.45 - $87.45
    $87.45

    Oil Eater. Cleaner & Degreaser is a highly concentrated, alkaline based cleaner designed specifically to be versatile and powerful. Oil Eater....

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    $87.45 - $87.45
    $87.45
    $87.45 - $87.45
    $87.45
  • Best Sellers badge
    Shell Gadus S2 V220 2 High Performance Multipupose Extreme Pressure Grease - Case of 10 (14 oz Tubes)

    Shell Gadus S2 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

      Shell Gadus S2 V220 Formerly Known As: Shell Alvania Grease EP(LF) 2, Shell Retinax EP 2 Shell Gadus S2 V220 2 High Performance Multipurpose Extr...

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    $167.08 - $167.08
    $167.08
    $167.08 - $167.08
    $167.08
  • TRUEGARD Soluble Oil - 5 Gallon Pail

    TRUEGARD 3025-40 Vanishing-Stamping Lubricant Oil - 5 Gallon Pail

    $207.38 - $207.38
    $207.38
    $207.38 - $207.38
    $207.38

    TRUEGUARD 3025 Vanishing-Stamping Lubricant Oils are advanced, high-performance solutions engineered for a wide range of metalworking applications....

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    $207.38 - $207.38
    $207.38
    $207.38 - $207.38
    $207.38

  • Shell Tonna S2 MX 220 Machine Tool Slideways OIl - 5 GALLON PAIL

    $202.70 - $202.70
    $202.70
    $202.70 - $202.70
    $202.70

    Featuring enhanced tackiness and stick-slip characteristics, Shell Tonna S2 MX 220 provides lubrication for machine tool slides, tables and feed me...

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    $202.70 - $202.70
    $202.70
    $202.70 - $202.70
    $202.70

  • TRUEGARD #1011A CUTTING OIL - 55 Gallon Drum

    $918.23 - $918.23
    $918.23
    $918.23 - $918.23
    $918.23

    TRUEGARD #lOllA CUTTING OIL is a high-performance, active cutting oil specifically engineered for use in screw machines and lathe operations such a...

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    $918.23 - $918.23
    $918.23
    $918.23 - $918.23
    $918.23

 


 

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.