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Keller-Heartt has Truegard Propylene Glycol Heat Transfer Fluids in both Inhibited and Food Grade! Order Today!
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  • TRUEGARD Cutting Oil 1230-15 - 55 Gallon Drum

    $772.42 - $772.42
    $772.42
    $772.42 - $772.42
    $772.42

    TRUEGARD Cutting Oil 1230-15 is a dual purpose oil designed for metalworking as well as machine lubrication. TRUEGARD Cutting Oil 1230-15 is intend...

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    $772.42 - $772.42
    $772.42
    $772.42 - $772.42
    $772.42

  • TRUEGARD Drawing Oil 3694 - 55 Gallon Drum

    $1,830.33 - $1,830.33
    $1,830.33
    $1,830.33 - $1,830.33
    $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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    $1,830.33 - $1,830.33
    $1,830.33
    $1,830.33 - $1,830.33
    $1,830.33

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

    $1,186.91 - $1,186.91
    $1,186.91
    $1,186.91 - $1,186.91
    $1,186.91

    Keller-Heartt TRUEGARD® Ethylene Glycol Heat Transfer Fluid 100% is a fully-formulated ethylene glycol- based heat transfer fluid containing an...

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    $1,186.91 - $1,186.91
    $1,186.91
    $1,186.91 - $1,186.91
    $1,186.91

  • TRUEGARD Ethylene Glycol Uninhibited-Heat Transfer Fluid 100% Concentrate

    $1,649.02 - $1,649.02
    $1,649.02
    $1,649.02 - $1,649.02
    $1,649.02

    Heat transfer fluid is dyed fluorescent pink for leak detection. Solutions in water provide freeze protection to below -60 degrees F and burst pro...

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    $1,649.02 - $1,649.02
    $1,649.02
    $1,649.02 - $1,649.02
    $1,649.02

  • TRUEGARD FM GEAR 320 OIL- 55 GALLON DRUM

    $1,838.55 - $1,838.55
    $1,838.55
    $1,838.55 - $1,838.55
    $1,838.55

    TRUEGARD FM GEAR 320 OIL is specially developed for use as airline lubricant in the food and beverage processing and packaging industry. It is base...

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    $1,838.55 - $1,838.55
    $1,838.55
    $1,838.55 - $1,838.55
    $1,838.55

  • TRUEGARD FOOD GRADE HYDRAULIC 100 OIL

    $1,569.75 - $1,569.75
    $1,569.75
    $1,569.75 - $1,569.75
    $1,569.75

    TRUEGARD FOOD GRADE HYDRAULIC OIL PERFORMANCE  FEATURES•    The base fluid has been selected for its ability to provide good lubrication under vari...

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    $1,569.75 - $1,569.75
    $1,569.75
    $1,569.75 - $1,569.75
    $1,569.75

  • TRUEGARD FOOD GRADE HYDRAULIC 15 OIL

    $1,359.75 - $1,359.75
    $1,359.75
    $1,359.75 - $1,359.75
    $1,359.75

    TRUEGARD FOOD GRADE HYDRAULIC OIL PERFORMANCE  FEATURES•    The base fluid has been selected for its ability to provide good lubrication under vari...

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    $1,359.75 - $1,359.75
    $1,359.75
    $1,359.75 - $1,359.75
    $1,359.75

  • TRUEGARD FOOD GRADE HYDRAULIC 32 OIL

    $1,359.75 - $1,359.75
    $1,359.75
    $1,359.75 - $1,359.75
    $1,359.75

    TRUEGARD FOOD GRADE HYDRAULIC OIL PERFORMANCE  FEATURES•    The base fluid has been selected for its ability to provide good lubrication under vari...

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    $1,359.75 - $1,359.75
    $1,359.75
    $1,359.75 - $1,359.75
    $1,359.75

  • TRUEGARD FOOD GRADE HYDRAULIC 46 OIL

    $1,359.75 - $1,359.75
    $1,359.75
    $1,359.75 - $1,359.75
    $1,359.75

    TRUEGARD FOOD GRADE HYDRAULIC OIL PERFORMANCE  FEATURES•    The base fluid has been selected for its ability to provide good lubrication under vari...

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    $1,359.75 - $1,359.75
    $1,359.75
    $1,359.75 - $1,359.75
    $1,359.75

  • TRUEGARD FOOD GRADE HYDRAULIC 68 OIL

    $1,359.75 - $1,359.75
    $1,359.75
    $1,359.75 - $1,359.75
    $1,359.75

    TRUEGARD FOOD GRADE HYDRAULIC OIL PERFORMANCE  FEATURES•    The base fluid has been selected for its ability to provide good lubrication under vari...

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    $1,359.75 - $1,359.75
    $1,359.75
    $1,359.75 - $1,359.75
    $1,359.75

  • TRUEGARD Gear Oil 220 EP- 55 Gallon Drum

    $985.50 - $985.50
    $985.50
    $985.50 - $985.50
    $985.50

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

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    $985.50 - $985.50
    $985.50
    $985.50 - $985.50
    $985.50
  • TRUEGARD Automatic Transmission Oil - 5 Gallon Pail

    TRUEGARD Gear Oil 460 - 5 Gallon Pail

    $249.57 - $249.57
    $249.57
    $249.57 - $249.57
    $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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    $249.57 - $249.57
    $249.57
    $249.57 - $249.57
    $249.57

  • TRUEGARD Gear Oil EP 460 - 55 Gallon Drum

    $949.26 - $949.26
    $949.26
    $949.26 - $949.26
    $949.26

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

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    $949.26 - $949.26
    $949.26
    $949.26 - $949.26
    $949.26
  • TRUEGARD Automatic Transmission Oil - 5 Gallon Pail

    TRUEGARD Gear Oil EP 100 - 5 Gallon Pail

    $191.63 - $191.63
    $191.63
    $191.63 - $191.63
    $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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    $191.63 - $191.63
    $191.63
    $191.63 - $191.63
    $191.63
  • TRUEGARD Automatic Transmission Oil - 5 Gallon Pail

    TRUEGARD Gear Oil EP 150 - 5 Gallon Pail

    $191.63 - $191.63
    $191.63
    $191.63 - $191.63
    $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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    $191.63 - $191.63
    $191.63
    $191.63 - $191.63
    $191.63

  • TRUEGARD Gear Oil EP 150 - 55 Gallon Drum

    $985.50 - $985.50
    $985.50
    $985.50 - $985.50
    $985.50

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

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    $985.50 - $985.50
    $985.50
    $985.50 - $985.50
    $985.50
  • TRUEGARD Automatic Transmission Oil - 5 Gallon Pail

    TRUEGARD Gear Oil EP 220 - 5 Gallon Pail

    $191.63 - $191.63
    $191.63
    $191.63 - $191.63
    $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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    $191.63 - $191.63
    $191.63
    $191.63 - $191.63
    $191.63
  • TRUEGARD Automatic Transmission Oil - 5 Gallon Pail

    TRUEGARD Gear Oil EP 320 - 5 Gallon Pail

    $191.63 - $191.63
    $191.63
    $191.63 - $191.63
    $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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    $191.63 - $191.63
    $191.63
    $191.63 - $191.63
    $191.63

  • TRUEGARD Gear Oil EP 320 - 55 Gallon Drum

    $1,032.76 - $1,032.76
    $1,032.76
    $1,032.76 - $1,032.76
    $1,032.76

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

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    $1,032.76 - $1,032.76
    $1,032.76
    $1,032.76 - $1,032.76
    $1,032.76
  • TRUEGARD Automatic Transmission Oil - 5 Gallon Pail

    TRUEGARD Gear Oil EP 68 - 5 Gallon Pail

    $191.63 - $191.63
    $191.63
    $191.63 - $191.63
    $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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    $191.63 - $191.63
    $191.63
    $191.63 - $191.63
    $191.63

  • TRUEGARD Gear Oil EP 68 - 55 Gallon Drum

    $874.99 - $874.99
    $874.99
    $874.99 - $874.99
    $874.99

    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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    $874.99 - $874.99
    $874.99
    $874.99 - $874.99
    $874.99

  • Truegard Global Antifreeze 50/50 - 55 Gallon Drum

    $649.99 - $649.99
    $649.99
    $649.99 - $649.99
    $649.99

    TRUEGARD Global Antifreeze: 100% Concentrate Antifreeze and Coolant protects automotive and light truck engines year round from cooling and overhe...

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    $649.99 - $649.99
    $649.99
    $649.99 - $649.99
    $649.99
  • Best Sellers badge

    TRUEGARD Global Antifreeze: 100% Concentrate - 55 Gallon Drum

    $828.63 - $828.63
    $828.63
    $828.63 - $828.63
    $828.63

    TRUEGARD Global Antifreeze: 100% Concentrate Antifreeze and Coolant protects automotive and light truck engines year round from cooling and overhea...

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    $828.63 - $828.63
    $828.63
    $828.63 - $828.63
    $828.63

  • TRUEGARD Green Antifreeze 50/50 - 55 Gallon Drum

    $626.51 - $626.51
    $626.51
    $626.51 - $626.51
    $626.51

    Green Pre-Diluted Antifreeze is a high-performance, low silicate coolant engineered to deliver superior corrosion protection for a wide range of ve...

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    $626.51 - $626.51
    $626.51
    $626.51 - $626.51
    $626.51

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.