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  • TRUEGARD 304 Rust Preventative - 55 Gallon Drum

    Original Price $839.80 - Original Price $839.80
    Original Price
    $839.80
    $839.80 - $839.80
    Current Price $839.80

    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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    Original Price $839.80 - Original Price $839.80
    Original Price
    $839.80
    $839.80 - $839.80
    Current Price $839.80
  • TRUEGARD 308 Rust Preventative - 5 Gallon Pail

    Original Price $203.51 - Original Price $203.51
    Original Price
    $203.51
    $203.51 - $203.51
    Current Price $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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    Original Price $203.51 - Original Price $203.51
    Original Price
    $203.51
    $203.51 - $203.51
    Current Price $203.51
  • TRUEGARD 308 Rust Preventative - 275 GALLON TOTE

    Original Price $4,573.99 - Original Price $4,573.99
    Original Price
    $4,573.99
    $4,573.99 - $4,573.99
    Current Price $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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    Original Price $4,573.99 - Original Price $4,573.99
    Original Price
    $4,573.99
    $4,573.99 - $4,573.99
    Current Price $4,573.99
  • TRUEGARD 308 Rust Preventative - 55 Gallon Drum

    Original Price $915.56 - Original Price $915.56
    Original Price
    $915.56
    $915.56 - $915.56
    Current Price $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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    Original Price $915.56 - Original Price $915.56
    Original Price
    $915.56
    $915.56 - $915.56
    Current Price $915.56
  • TRUEGARD Cutting Oil D Plus - 55 Gallon Drum

    Original Price $992.15 - Original Price $992.15
    Original Price
    $992.15
    $992.15 - $992.15
    Current Price $992.15

    TRUEGARD CUTTING OIL D-PLUS is a dark amber, active cutting oil for the machining of difficult metals where a high degree of active anti-weld is re...

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    Original Price $992.15 - Original Price $992.15
    Original Price
    $992.15
    $992.15 - $992.15
    Current Price $992.15
  • TRUEGARD Drawing Oil 3694 - 55 Gallon Drum

    Original Price $1,830.33 - Original Price $1,830.33
    Original Price
    $1,830.33
    $1,830.33 - $1,830.33
    Current Price $1,830.33

    TRUGARD #3694 DRAWING OIL is a high-performance petroleum oil concentrate engineered for a wide variety of heavy duty stamping, punching, piercing,...

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    Original Price $1,830.33 - Original Price $1,830.33
    Original Price
    $1,830.33
    $1,830.33 - $1,830.33
    Current Price $1,830.33
  • TRUEGARD Gear Oil 460 - 5 Gallon Pail

    Original Price $249.57 - Original Price $249.57
    Original Price
    $249.57
    $249.57 - $249.57
    Current Price $249.57

    TRUEGARD GEAR OILS are designed for heavy duty, continuous operation as well as shock loading on all types of industrial steel and bronze geari...

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    Original Price $249.57 - Original Price $249.57
    Original Price
    $249.57
    $249.57 - $249.57
    Current Price $249.57
  • TRUEGARD Gear Oil EP 100 - 5 Gallon Pail

    Original Price $191.63 - Original Price $191.63
    Original Price
    $191.63
    $191.63 - $191.63
    Current Price $191.63

    TRUEGARD GEAR OILS are designed for heavy duty, continuous operation as well as shock loading on all types of industrial steel and bronze geari...

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    Original Price $191.63 - Original Price $191.63
    Original Price
    $191.63
    $191.63 - $191.63
    Current Price $191.63
  • TRUEGARD Gear Oil EP 150 - 5 Gallon Pail

    Original Price $191.63 - Original Price $191.63
    Original Price
    $191.63
    $191.63 - $191.63
    Current Price $191.63

    TRUEGARD GEAR OILS are designed for heavy duty, continuous operation as well as shock loading on all types of industrial steel and bronze geari...

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    Original Price $191.63 - Original Price $191.63
    Original Price
    $191.63
    $191.63 - $191.63
    Current Price $191.63
  • TRUEGARD Gear Oil EP 220 - 5 Gallon Pail

    Original Price $191.63 - Original Price $191.63
    Original Price
    $191.63
    $191.63 - $191.63
    Current Price $191.63

    TRUEGARD GEAR OILS are designed for heavy duty, continuous operation as well as shock loading on all types of industrial steel and bronze geari...

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    Original Price $191.63 - Original Price $191.63
    Original Price
    $191.63
    $191.63 - $191.63
    Current Price $191.63
  • TRUEGARD Gear Oil EP 320 - 5 Gallon Pail

    Original Price $191.63 - Original Price $191.63
    Original Price
    $191.63
    $191.63 - $191.63
    Current Price $191.63

    TRUEGARD GEAR OILS are designed for heavy duty, continuous operation as well as shock loading on all types of industrial steel and bronze geari...

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    Original Price $191.63 - Original Price $191.63
    Original Price
    $191.63
    $191.63 - $191.63
    Current Price $191.63
  • TRUEGARD Gear Oil EP 68 - 5 Gallon Pail

    Original Price $191.63 - Original Price $191.63
    Original Price
    $191.63
    $191.63 - $191.63
    Current Price $191.63

    Truegard Gear Oil EP 68 is a high-performance extreme pressure (EP) industrial gear lubricant formulated to meet the rigorous demands of heavily lo...

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    Original Price $191.63 - Original Price $191.63
    Original Price
    $191.63
    $191.63 - $191.63
    Current Price $191.63
  • TRUEGARD HD 258 Cutting Oil - 5 Gallon Pail

    Original Price $199.07 - Original Price $199.07
    Original Price
    $199.07
    $199.07 - $199.07
    Current Price $199.07

    TRUEGARD HD-258 Cutting Oil is an exceptionally heavy duty cutting oil for tough ferrous machining applications. This highly fortified oil is also...

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    Original Price $199.07 - Original Price $199.07
    Original Price
    $199.07
    $199.07 - $199.07
    Current Price $199.07
  • TRUEGARD HD-258 Cutting Oil- 55 Gallon Drum

    Original Price $888.35 - Original Price $888.35
    Original Price
    $888.35
    $888.35 - $888.35
    Current Price $888.35

    TRUEGARD HD-258 Cutting Oil is an exceptionally heavy duty cutting oil for tough ferrous machining applications. This highly fortified oil is also ...

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    Original Price $888.35 - Original Price $888.35
    Original Price
    $888.35
    $888.35 - $888.35
    Current Price $888.35
  • TRUEGARD Semi Synthetic Coolant 266 - 275 TOTE

    Original Price $4,420.49 - Original Price $4,420.49
    Original Price
    $4,420.49
    $4,420.49 - $4,420.49
    Current Price $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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    Original Price $4,420.49 - Original Price $4,420.49
    Original Price
    $4,420.49
    $4,420.49 - $4,420.49
    Current Price $4,420.49
  • TRUEGARD Semi Synthetic Coolant 266 - 5 Gallon Pail

    Original Price $161.93 - Original Price $161.93
    Original Price
    $161.93
    $161.93 - $161.93
    Current Price $161.93

    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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    Original Price $161.93 - Original Price $161.93
    Original Price
    $161.93
    $161.93 - $161.93
    Current Price $161.93
  • TRUEGARD Semi Synthetic Coolant 266 - 55 Gallon Drum

    Original Price $884.58 - Original Price $884.58
    Original Price
    $884.58
    $884.58 - $884.58
    Current Price $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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    Original Price $884.58 - Original Price $884.58
    Original Price
    $884.58
    $884.58 - $884.58
    Current Price $884.58
  • TRUEGARD Soluble 324 Oil - 5 Gallon Pail

    Original Price $219.86 - Original Price $219.86
    Original Price
    $219.86
    $219.86 - $219.86
    Current Price $219.86

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

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    Original Price $219.86 - Original Price $219.86
    Original Price
    $219.86
    $219.86 - $219.86
    Current Price $219.86
  • TRUEGARD Soluble 324 Oil - 55 Gallon Drum

    Original Price $1,231.50 - Original Price $1,231.50
    Original Price
    $1,231.50
    $1,231.50 - $1,231.50
    Current Price $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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    Original Price $1,231.50 - Original Price $1,231.50
    Original Price
    $1,231.50
    $1,231.50 - $1,231.50
    Current Price $1,231.50
  • TRUEGARD Soluble 384 Coolant - 5 Gallon pail

    Original Price $143.96 - Original Price $143.96
    Original Price
    $143.96
    $143.96 - $143.96
    Current Price $143.96

      Truegard Soluble 384 is the go to soluble coolant for versatile metalworking applications. This multi-purpose heavy duty coolant can machine alum...

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    Original Price $143.96 - Original Price $143.96
    Original Price
    $143.96
    $143.96 - $143.96
    Current Price $143.96
  • TRUEGARD Soluble 384 Coolant - 55 Gallon Drum

    Original Price $1,329.55 - Original Price $1,329.55
    Original Price
    $1,329.55
    $1,329.55 - $1,329.55
    Current Price $1,329.55

      Truegard Soluble 384 is the go to soluble coolant for versatile metalworking applications. This multi-purpose heavy duty coolant can machine alum...

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    Original Price $1,329.55 - Original Price $1,329.55
    Original Price
    $1,329.55
    $1,329.55 - $1,329.55
    Current Price $1,329.55
  • TRUEGARD Spindle Oil 10 - 5 Gallon Pail

    Original Price $191.94 - Original Price $191.94
    Original Price
    $191.94
    $191.94 - $191.94
    Current Price $191.94

    TRUEGARD SPINDLE OILS are a series of light bodied, light colored oils manufactured for the lubrication of high speed machine tool spindles. T...

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    Original Price $191.94 - Original Price $191.94
    Original Price
    $191.94
    $191.94 - $191.94
    Current Price $191.94
  • TRUEGARD Spindle Oil 15 - 5 Gallon Pail

    Original Price $160.44 - Original Price $160.44
    Original Price
    $160.44
    $160.44 - $160.44
    Current Price $160.44

    TRUEGARD SPINDLE OILS are a series of light bodied, light colored oils manufactured for the lubrication of high speed machine tool spindles. T...

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    Original Price $160.44 - Original Price $160.44
    Original Price
    $160.44
    $160.44 - $160.44
    Current Price $160.44
  • TRUEGARD Spindle Oil 22 - 5 Gallon Pail

    Original Price $191.94 - Original Price $191.94
    Original Price
    $191.94
    $191.94 - $191.94
    Current Price $191.94

    TRUEGARD SPINDLE OILS are a series of light bodied, light colored oils manufactured for the lubrication of high speed machine tool spindles. T...

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    Original Price $191.94 - Original Price $191.94
    Original Price
    $191.94
    $191.94 - $191.94
    Current Price $191.94

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.