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  • TRUEGARD 304 Rust Preventative - 275 GALLON TOTE

    $4,198.99 - $4,198.99
    $4,198.99
    $4,198.99 - $4,198.99
    $4,198.99

    TRUEGARD 304 RUST PREVENTIVE is a solvent-based fluid designed to deliver superior rust protection by forming a thin, dry, and slightly waxy film o...

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    $4,198.99 - $4,198.99
    $4,198.99
    $4,198.99 - $4,198.99
    $4,198.99
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    TRUEGARD Soluble Oil 100 - 275 GALLON TOTE

    $4,282.95 - $4,282.95
    $4,282.95
    $4,282.95 - $4,282.95
    $4,282.95

    TRUEGARD Soluble 100 Oil is a general purpose soluble oil for light to moderate duty machining on a wide range of materials. Soluble 100 Oil is hig...

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    $4,282.95 - $4,282.95
    $4,282.95
    $4,282.95 - $4,282.95
    $4,282.95

  • TRUEGARD Syncool 741 - 275 GALLON TOTE

    $6,599.24 - $6,599.24
    $6,599.24
    $6,599.24 - $6,599.24
    $6,599.24

      ¬† TRUEGARD SYNCOOL #741 is a premium synthetic coolant designed for grinding and light machining. ¬† TRUEGARD SYNCOOL #741 is blended from selec...

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    $6,599.24 - $6,599.24
    $6,599.24
    $6,599.24 - $6,599.24
    $6,599.24

  • TRUEGARD Syncool 428 -275 GALLON TOTE

    $6,603.19 - $6,603.19
    $6,603.19
    $6,603.19 - $6,603.19
    $6,603.19

      TRUEGARD SYNCOOL 428 is a heavy duty water based cutting fluid concentrate. When diluted properly, TRUEGARD SYNCOOL 428 is suitable for most mach...

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    $6,603.19 - $6,603.19
    $6,603.19
    $6,603.19 - $6,603.19
    $6,603.19

  • TRUEGARD 308 Rust Preventative - 275 GALLON TOTE

    $4,573.99 - $4,573.99
    $4,573.99
    $4,573.99 - $4,573.99
    $4,573.99

    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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    $4,573.99 - $4,573.99
    $4,573.99
    $4,573.99 - $4,573.99
    $4,573.99

  • TRUEGARD Semi Synthetic Coolant 266 - 275 TOTE

    $4,420.49 - $4,420.49
    $4,420.49
    $4,420.49 - $4,420.49
    $4,420.49

    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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    $4,420.49 - $4,420.49
    $4,420.49
    $4,420.49 - $4,420.49
    $4,420.49

  • TRUEGARD 3025-40 Lubricant Oil- 275 GALLON TOTE

    $4,189.49 - $4,189.49
    $4,189.49
    $4,189.49 - $4,189.49
    $4,189.49

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

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    $4,189.49 - $4,189.49
    $4,189.49
    $4,189.49 - $4,189.49
    $4,189.49

  • TRUEGARD 3025 Vanishing-Stamping Lubricant Oil- 275 GALLON TOTE

    $3,984.75 - $3,984.75
    $3,984.75
    $3,984.75 - $3,984.75
    $3,984.75

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

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    $3,984.75 - $3,984.75
    $3,984.75
    $3,984.75 - $3,984.75
    $3,984.75

  • TRUEGARD 10W30 HD SYNTHETIC Motor Oil - 55 Gallon Drum

    $1,279.85 - $1,279.85
    $1,279.85
    $1,279.85 - $1,279.85
    $1,279.85

    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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    $1,279.85 - $1,279.85
    $1,279.85
    $1,279.85 - $1,279.85
    $1,279.85

  • TRUEGARD Industrial oil R&O 32 - 55 Gallon Drum

    $807.60 - $807.60
    $807.60
    $807.60 - $807.60
    $807.60

    TRUEGARD R&O Hydraulic Oils are premium single inhibited hydraulic fluids engineered specifically for low pressure, light duty hydraulic equipm...

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    $807.60 - $807.60
    $807.60
    $807.60 - $807.60
    $807.60

  • 1" Diaphragm Pump (670274-A)

    $774.43 - $774.43
    $774.43
    $774.43 - $774.43
    $774.43

    1" Diaphragm pump 1/2" aluminum diaphragm pump with nitrile diaphragms, balls and o-rings

    $774.43 - $774.43
    $774.43
    $774.43 - $774.43
    $774.43

  • Shell Tellus S2 MX 32 Hydraulic Oil - 330 Gallon TOTE

    $5,724.98 - $5,724.98
    $5,724.98
    $5,724.98 - $5,724.98
    $5,724.98

    Shell Tellus S2 MX 32 Hydraulic Oil is a high performance hydraulic fluid that uses Shell's unique patented technology to provide outstanding prote...

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    $5,724.98 - $5,724.98
    $5,724.98
    $5,724.98 - $5,724.98
    $5,724.98

  • TRUEGARD 15W40 HD SYNTHETIC Motor Oil - 5 Gallon Pail

    $183.47 - $183.47
    $183.47
    $183.47 - $183.47
    $183.47

    Ensure your operations run smoothly and efficiently with TRUEGARD Full Synthetic HD 15W-40 Motor Oil, now available in convenient 55-gallon drums f...

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    $183.47 - $183.47
    $183.47
    $183.47 - $183.47
    $183.47
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    Shell Tonna S2 MX 68 Machine Tool Slideways OIl - 330 Gallon Tote

    $7,907.87 - $7,907.87
    $7,907.87
    $7,907.87 - $7,907.87
    $7,907.87

    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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    $7,907.87 - $7,907.87
    $7,907.87
    $7,907.87 - $7,907.87
    $7,907.87

  • 1/2" Diaphragm Pump (66605J-322)

    $1,818.89 - $1,818.89
    $1,818.89
    $1,818.89 - $1,818.89
    $1,818.89

    1/2" diaphragm pump with polypropylene air motor, polypropylene wetted parts, polypropylene check valve seats, nitrile balls and nitrile dia...

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    $1,818.89 - $1,818.89
    $1,818.89
    $1,818.89 - $1,818.89
    $1,818.89

  • 165 Gallon Bench Tank Package (165-R23D)

    $11,606.81 - $11,606.81
    $11,606.81
    $11,606.81 - $11,606.81
    $11,606.81

    165 Gallon Bench Tank Package (165-R23D) from American Lubrication. 165 gallon work bench tank package. UL 142 tank with, 3:1 ARO "Thunder" pump, 1...

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    $11,606.81 - $11,606.81
    $11,606.81
    $11,606.81 - $11,606.81
    $11,606.81

  • 275 Gallon Vertical Tank Package (275A-R23D)

    $7,409.45 - $7,409.45
    $7,409.45
    $7,409.45 - $7,409.45
    $7,409.45

    Red 275 gallon vertical round tank package (275A-R23D) (UL 142 Listed) from American Lubrication. Includes 3:1 ratio ARO "Thunder" oil pump, 1/2" x...

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    $7,409.45 - $7,409.45
    $7,409.45
    $7,409.45 - $7,409.45
    $7,409.45

  • Pennzoil Platinum Euro AV SAE 5W-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

  • Pennzoil Platinum Euro L SAE 5W-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 ...

    View full details
    $82.32 - $82.32
    $82.32
    $82.32 - $82.32
    $82.32

  • Pennzoil Platinum Euro SAE 0W-40 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 ...

    View full details
    $82.32 - $82.32
    $82.32
    $82.32 - $82.32
    $82.32

  • Shell Morlina S4 B 680 Advanced Bearing & Circulating Oil - 55 Gallon Drum

    $3,031.54 - $3,031.54
    $3,031.54
    $3,031.54 - $3,031.54
    $3,031.54

    Shell Morlina S4 B 680 Advanced Bearing & Circulating Oil - 55 Gallon Drum

    $3,031.54 - $3,031.54
    $3,031.54
    $3,031.54 - $3,031.54
    $3,031.54

  • Oil Eater Industrial Duty Spill Kit - 65 Gallons

    $994.75 - $994.75
    $994.75
    $994.75 - $994.75
    $994.75

    We’ve designed this Oil Eater. Industrial Duty Kit for the mid-sized user. This spill kit is the economic choice to help you meet OSHA, EPA and DO...

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    $994.75 - $994.75
    $994.75
    $994.75 - $994.75
    $994.75

  • Oil Eater Oil Only Boom - Net-Rope-Clips - 8" x 10'

    $235.59 - $235.59
    $235.59
    $235.59 - $235.59
    $235.59

    We’ve created our superior absorbing, easy-to-use Oil Eater. Booms for fast response and safe clean ups. The high quality, all synthetic fill is s...

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    $235.59 - $235.59
    $235.59
    $235.59 - $235.59
    $235.59

  • Oil Eater Oil Only Boom - Net-Rope-Clips - 5" x 10'

    $184.19 - $184.19
    $184.19
    $184.19 - $184.19
    $184.19

    We’ve created our superior absorbing, easy-to-use Oil Eater. Booms for fast response and safe clean ups. The high quality, all synthetic fill is s...

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    $184.19 - $184.19
    $184.19
    $184.19 - $184.19
    $184.19

 


 

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.