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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 80W90 GEAR OIL -55 GALLON DRUM

    $967.20 - $967.20
    $967.20
    $967.20 - $967.20
    $967.20

    Truegard GL-5 Gear Lubricants are premium quality GL-5 rated gear oils blended from highly refined high Viscosity Index base stocks. Truegard Gear ...

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    $967.20 - $967.20
    $967.20
    $967.20 - $967.20
    $967.20

  • TRUEGARD 80W90 GEAR OIL -PAIL

    $143.58 - $143.58
    $143.58
    $143.58 - $143.58
    $143.58

    Truegard GL-5 Gear Lubricants are premium quality GL-5 rated gear oils blended from highly refined high Viscosity Index base stocks. Truegard Gear ...

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    $143.58 - $143.58
    $143.58
    $143.58 - $143.58
    $143.58

  • TRUEGARD 85W140 GEAR OIL-55 GALLON DRUM

    $967.20 - $967.20
    $967.20
    $967.20 - $967.20
    $967.20

    Truegard GL-5 Gear Lubricants are premium quality GL-5 rated gear oils blended from highly refined high Viscosity Index base stocks. Truegard Gear ...

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    $967.20 - $967.20
    $967.20
    $967.20 - $967.20
    $967.20

  • TRUEGARD 960 NSF Certified Food-Grade Propylene Glycol Inhibited Coolant 100% Concentrate - 330 TOTE

    $10,894.50 - $10,894.50
    $10,894.50
    $10,894.50 - $10,894.50
    $10,894.50

    TRUEGARD 960 is an NSF Certified, food-grade inhibited propylene glycol fluid which is intended for use in antifreeze and heat transfer application...

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    $10,894.50 - $10,894.50
    $10,894.50
    $10,894.50 - $10,894.50
    $10,894.50
  • TRUEGARD Hydraulic Oil AW 32 - 5 Gallon Pail

    TRUEGARD Anti-Wear Hydraulic Oil AW 32 - 5 Gallon Pail

    $184.13 - $184.13
    $184.13
    $184.13 - $184.13
    $184.13

    TRUEGARD Anti-Wear Hydraulic Oils represent a new standard in hydraulic fluid performance, engineered to meet the rigorous demands of both industri...

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    $184.13 - $184.13
    $184.13
    $184.13 - $184.13
    $184.13
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    TRUEGARD Anti-Wear Hydraulic Oil AW 32 - 55 Gallon Drum

    $667.13 - $667.13
    $667.13
    $667.13 - $667.13
    $667.13

    * THIS PRICE IS FOR 55 GAL TRUEGARD Anti-Wear Hydraulic Oils are premium performance mineral based hydraulic fluids prevent wear and transfer power...

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    $667.13 - $667.13
    $667.13
    $667.13 - $667.13
    $667.13
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    TRUEGARD Anti-Wear Hydraulic Oil AW 32-- 275 Gallon Tote

    $3,318.75 - $3,318.75
    $3,318.75
    $3,318.75 - $3,318.75
    $3,318.75

    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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    $3,318.75 - $3,318.75
    $3,318.75
    $3,318.75 - $3,318.75
    $3,318.75
  • Best Sellers badge

    TRUEGARD Anti-Wear Hydraulic Oil AW 32-- 330 Gallon Tote

    $4,083.68 - $4,083.68
    $4,083.68
    $4,083.68 - $4,083.68
    $4,083.68

    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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    $4,083.68 - $4,083.68
    $4,083.68
    $4,083.68 - $4,083.68
    $4,083.68

  • TRUEGARD Anti-Wear Hydraulic Oil AW 46 - 275 Gallon TOTE

    $3,318.75 - $3,318.75
    $3,318.75
    $3,318.75 - $3,318.75
    $3,318.75

    TRUEGARD Anti-Wear Hydraulic Oils are premium performance mineral based hydraulic fluids prevent wear and transfer power formulated with patented ...

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    $3,318.75 - $3,318.75
    $3,318.75
    $3,318.75 - $3,318.75
    $3,318.75

  • TRUEGARD Anti-Wear Hydraulic Oil AW 46 - 330 Gallon TOTE

    $4,083.68 - $4,083.68
    $4,083.68
    $4,083.68 - $4,083.68
    $4,083.68

    TRUEGARD Anti-Wear Hydraulic Oils are premium performance mineral based hydraulic fluids prevent wear and transfer power formulated with patented ...

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    $4,083.68 - $4,083.68
    $4,083.68
    $4,083.68 - $4,083.68
    $4,083.68

  • TRUEGARD Anti-Wear Hydraulic Oil AW 46 - 55 Gallon Drum

    $667.13 - $667.13
    $667.13
    $667.13 - $667.13
    $667.13

    TRUEGARD Anti-Wear Hydraulic Oils are premium performance mineral based hydraulic fluids prevent wear and transfer power formulated with patented T...

    View full details
    $667.13 - $667.13
    $667.13
    $667.13 - $667.13
    $667.13
  • Best Sellers badge

    TRUEGARD Anti-Wear Hydraulic Oil AW 68 - 275 Gallon TOTE

    $3,318.75 - $3,318.75
    $3,318.75
    $3,318.75 - $3,318.75
    $3,318.75

    TRUEGARD Anti-Wear Hydraulic Oils are premium performance mineral based hydraulic fluids  prevent wear and transfer power formulated with patented ...

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    $3,318.75 - $3,318.75
    $3,318.75
    $3,318.75 - $3,318.75
    $3,318.75
  • Best Sellers badge

    TRUEGARD Anti-Wear Hydraulic Oil AW 68 - 330 Gallon TOTE

    $4,083.68 - $4,083.68
    $4,083.68
    $4,083.68 - $4,083.68
    $4,083.68

    TRUEGARD Anti-Wear Hydraulic Oils are premium performance mineral based hydraulic fluids  prevent wear and transfer power formulated with patented ...

    View full details
    $4,083.68 - $4,083.68
    $4,083.68
    $4,083.68 - $4,083.68
    $4,083.68
  • TRUEGARD Hydraulic Oil AW 68 - 5 Gallon Pail

    TRUEGARD Anti-Wear Hydraulic Oil AW 68 - 5 Gallon Pail

    $189.53 - $189.53
    $189.53
    $189.53 - $189.53
    $189.53

    TRUEGARD Anti-Wear Hydraulic Oils are premium performance mineral based hydraulic fluids prevents wear and transfers power formulated with patented...

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    $189.53 - $189.53
    $189.53
    $189.53 - $189.53
    $189.53
  • Best Sellers badge

    TRUEGARD Anti-Wear Hydraulic Oil AW 68 - 55 Gallon Drum

    $667.13 - $667.13
    $667.13
    $667.13 - $667.13
    $667.13

    TRUEGARD Anti-Wear Hydraulic Oils are premium performance mineral based hydraulic fluids  prevent wear and transfer power formulated with patented ...

    View full details
    $667.13 - $667.13
    $667.13
    $667.13 - $667.13
    $667.13

  • TRUEGARD ATF - 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 transm...

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    $831.23 - $831.23
    $831.23
    $831.23 - $831.23
    $831.23
  • TRUEGARD Automatic Transmission Oil - 5 Gallon Pail

    TRUEGARD Automatic Transmission FLUID - 5 Gallon Pail

    $97.07 - $97.07
    $97.07
    $97.07 - $97.07
    $97.07

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

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    $97.07 - $97.07
    $97.07
    $97.07 - $97.07
    $97.07

  • 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

  • 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 Automotive Low Tox: 100% Concentrate Propylene Glycol - 55 Gallon Drum

    $2,018.04 - $2,018.04
    $2,018.04
    $2,018.04 - $2,018.04
    $2,018.04

    55 GALLON DRUM. Propylene glycol formula provides an added margin of safety for pets and wildlife in the event of accidental ingestion. This patent...

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    $2,018.04 - $2,018.04
    $2,018.04
    $2,018.04 - $2,018.04
    $2,018.04

  • TRUEGARD AW 100

    $1,057.50 - $1,057.50
    $1,057.50
    $1,057.50 - $1,057.50
    $1,057.50

    TRUEGARD AW 100 is a high-performance family of anti-wear (AW) hydraulic fluids engineered to meet the rigorous demands of modern hydraulic systems...

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    $1,057.50 - $1,057.50
    $1,057.50
    $1,057.50 - $1,057.50
    $1,057.50
  • Best Sellers badge

    TRUEGARD AW 22 - 5 GALLON PAIL

    $192.45 - $192.45
    $192.45
    $192.45 - $192.45
    $192.45

    TRUEGARD AW 22 is a premium anti-wear hydraulic fluid engineered to deliver exceptional performance and protection for hydraulic systems. With a sp...

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    $192.45 - $192.45
    $192.45
    $192.45 - $192.45
    $192.45
  • Best Sellers badge

    TRUEGARD AW 22 - 55 Gallon Drum

    $767.59 - $767.59
    $767.59
    $767.59 - $767.59
    $767.59

    * THIS PRICE IS FOR 55 GAL TRUEGARD Anti-Wear Hydraulic Oils are premium performance mineral based hydraulic fluids prevent wear and transfer power...

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    $767.59 - $767.59
    $767.59
    $767.59 - $767.59
    $767.59

  • Truegard AW 32 Hydraulic oil Zinc free 5 GALLON PAIL

    $192.45 - $192.45
    $192.45
    $192.45 - $192.45
    $192.45

    Truegard AW 32 Hydraulic Oil is a premium, zinc-free, anti-wear hydraulic fluid designed to deliver outstanding protection and performance for hydr...

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    $192.45 - $192.45
    $192.45
    $192.45 - $192.45
    $192.45

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.