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    Blue DEF 55-Gallon Drum Premium Diesel Exhaust Fluid

    $320.25 - $320.25
    $320.25
    $320.25 - $320.25
    $320.25

    Diesel exhaust fluid is one of the key elements of the Selective Catalytic Reduction (SCR) process used by most medium and heavy-duty engine builde...

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    $320.25 - $320.25
    $320.25
    $320.25 - $320.25
    $320.25

  • TRUEGARD SYN BLEND 5W30 Motor Oil - 55 Gallon Drum

    $649.25 - $649.25
    $649.25
    $649.25 - $649.25
    $649.25

    *THIS IS FOR 55 GAL API SN/GF 6 CERTIFIED Every shop needs a 55-gallon 5W-30 drum, especially when it's filled with genuine TRUEGARD motor oil. Thi...

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    $649.25 - $649.25
    $649.25
    $649.25 - $649.25
    $649.25
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    Blue DEF 330-Gallon Tote Premium Diesel Exhaust Fluid

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

    Blue DEF DEF330 Diesel Exhaust Fluid - 330-Gallon Tote contains Diesel Exhaust Fluid (DEF). One of the key elements of the Selective Catalytic Redu...

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

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

    $607.13 - $607.13
    $607.13
    $607.13 - $607.13
    $607.13

    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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    $607.13 - $607.13
    $607.13
    $607.13 - $607.13
    $607.13
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    TRUEGARD Non Chlorinated Brake Cleaner - 55 Gallon Drum

    $712.81 - $712.81
    $712.81
    $712.81 - $712.81
    $712.81

    Non Chlorinated Brake Cleaner: This professional strength brake cleaner formula cleans even the most dirty brake systems. Volatile Organic Componen...

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    $712.81 - $712.81
    $712.81
    $712.81 - $712.81
    $712.81

  • TRUEGARD 10W30 SYN BLEND Motor Oil - 55 Gallon Drum

    $649.25 - $649.25
    $649.25
    $649.25 - $649.25
    $649.25

    *THIS PRICE IS FOR 55 GAL DRUM API SN/GF5 CERTIFIED TRUEGARD 10W-30 motor oil in a 55-gallon drum is a must-have for just about any repair shop, de...

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    $649.25 - $649.25
    $649.25
    $649.25 - $649.25
    $649.25
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    TRUEGARD Mineral Spirits Safety Solvents - 142 Flash Point - 55 Gallon Drum

    $682.36 - $682.36
    $682.36
    $682.36 - $682.36
    $682.36

    Ensure you are fully prepared for any cleaning or degreasing challenge with TRUEGARD 142 Mineral Spirits Safety Solvents. This general-purpose alip...

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    $682.36 - $682.36
    $682.36
    $682.36 - $682.36
    $682.36
  • Best Sellers badge

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

    $607.13 - $607.13
    $607.13
    $607.13 - $607.13
    $607.13

    * 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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    $607.13 - $607.13
    $607.13
    $607.13 - $607.13
    $607.13
  • Best Sellers badge

    Oil Eater Cleaner Degreaser- 55 Gallon Drum

    $516.61 - $516.61
    $516.61
    $516.61 - $516.61
    $516.61

    Safely Dissolves Grease and Oils on Most Everything! Get rid of grease and oil from asphalt and concrete and everything in between; as well as engi...

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    $516.61 - $516.61
    $516.61
    $516.61 - $516.61
    $516.61
  • Best Sellers badge
    Shell Rotella T4 Triple Protection 15W-40 Heavy Duty Motor Oil - 55 Gallon Drum

    Shell Rotella T4 Triple Protection 15W-40 Heavy Duty Motor Oil - 55 Gallon Drum

    $1,261.47 - $1,261.47
    $1,261.47
    $1,261.47 - $1,261.47
    $1,261.47

    Our selection of Shell ROTELLA T4 Triple Protection heavy duty motor oil builds upon the heritage of Triple Protection technology that customers ha...

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    $1,261.47 - $1,261.47
    $1,261.47
    $1,261.47 - $1,261.47
    $1,261.47
  • Mobil Vactra 2 Oil Slideway Lubricant- 55 Gallon Drum

    Mobil Vactra 2 Oil Slideway Lubricant Waylube- 55 Gallon Drum

    $1,510.95 - $1,510.95
    $1,510.95
    $1,510.95 - $1,510.95
    $1,510.95

    Mobil Vactra Oil No. 2 Slideway Waylube offer a premium-quality  mineral based lubricant that is used in machine tool slideways. Lubricants that ar...

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    $1,510.95 - $1,510.95
    $1,510.95
    $1,510.95 - $1,510.95
    $1,510.95
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    Shell Diala S2 ZX-A Electrical Insulating Oil - 55 Gallon Drum

    Shell Diala S2 ZX-A Electrical Insulating Oil - 55 Gallon Drum

    $1,328.50 - $1,328.50
    $1,328.50
    $1,328.50 - $1,328.50
    $1,328.50

    Formerly Shell Diala AX Transformer Oil - Shell Diala S2 ZX-A Inhibited Electrical Insulating Oil is formulated from refined mineral oils. Its effe...

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    $1,328.50 - $1,328.50
    $1,328.50
    $1,328.50 - $1,328.50
    $1,328.50
  • Best Sellers badge

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

    $607.13 - $607.13
    $607.13
    $607.13 - $607.13
    $607.13

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

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    $607.13 - $607.13
    $607.13
    $607.13 - $607.13
    $607.13

  • TRUEGARD 15W40 Motor Oil - 55 Gallon Drum

    $741.42 - $741.42
    $741.42
    $741.42 - $741.42
    $741.42

    TRUEGARD SEMI SYNTHETIC 15W/40 combines premium base stocks with next-generation additive technology to produce our most fuel efficient cleanest bu...

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    $741.42 - $741.42
    $741.42
    $741.42 - $741.42
    $741.42

  • TRUEGARD Semi Synthetic Coolant 266 - 55 Gallon Drum

    $884.58 - $884.58
    $884.58
    $884.58 - $884.58
    $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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    $884.58 - $884.58
    $884.58
    $884.58 - $884.58
    $884.58
  • Pumicized Turbo Cherry - Case of 4 (1 Gallon)

    Pumicized Turbo Cherry - Case of 4 (1 Gallon)

    $149.14 - $149.14
    $149.14
    $149.14 - $149.14
    $149.14

    Includes 4 gallons per case!! Heavy-duty lotion hand cleaner. Fresh, cherry fragrance. Fine-ground, American pumice. Water-soluable and biodegrada...

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    $149.14 - $149.14
    $149.14
    $149.14 - $149.14
    $149.14

  • TRUEGARD Soluble Oil 100 - 5 Gallon Pail

    $135.05 - $135.05
    $135.05
    $135.05 - $135.05
    $135.05

    All purpose water soluble coolant. Fits most cutting operations. Whether you're running a large machine shop or you just need an all-purpose, water...

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    $135.05 - $135.05
    $135.05
    $135.05 - $135.05
    $135.05

  • Shell Tonna S2 MX 68 Machine Tool Slideways Oil - 5 Gallon

    $192.20 - $192.20
    $192.20
    $192.20 - $192.20
    $192.20

    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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    $192.20 - $192.20
    $192.20
    $192.20 - $192.20
    $192.20
  • Shell Tellus S2 VX 15 Hydraulic Oil - 5 Gallon Pail

    Shell Tellus S2 VX 15 Hydraulic Oil - 5 Gallon Pail

    $215.89 - $215.89
    $215.89
    $215.89 - $215.89
    $215.89

    Shell Tellus S2 VX fluids are high performance hydraulic fluids that use Shell's unique patented technology with excellent viscosity control under ...

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    $215.89 - $215.89
    $215.89
    $215.89 - $215.89
    $215.89

  • TRUEGARD 5W30 Full Synthetic Motor Oil - 55 Gallon Drum

    $1,110.45 - $1,110.45
    $1,110.45
    $1,110.45 - $1,110.45
    $1,110.45

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

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    $1,110.45 - $1,110.45
    $1,110.45
    $1,110.45 - $1,110.45
    $1,110.45
  • Best Sellers badge
    Shell Gadus S2 V220 2 High Performance Multipupose Extreme Pressure Grease - Case of 10 (14 oz Tubes)

    Shell Gadus S3 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

    Download Safety Data Sheet (PDF)Download Technical Data Sheet (PDF) Not all lubricants are created equal; that's particularly true when you need a ...

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    $167.08 - $167.08
    $167.08
    $167.08 - $167.08
    $167.08
  • Best Sellers badge
    Shell Omala S4 GX 220 Advanced Synthetic Industrial Gear Oil - 5 Gallon Pail

    Shell Omala S4 GXV 220 Advanced Synthetic Industrial Gear Oil - 5 Gallon Pail

    $321.89 - $321.89
    $321.89
    $321.89 - $321.89
    $321.89

    Shell Omala S4 GXV 220 is an advanced synthetic heavy duty industrial gear oil offering outstanding lubrication performance under severe operating ...

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    $321.89 - $321.89
    $321.89
    $321.89 - $321.89
    $321.89

  • TRUEGARD Mineral Spirits Petroleum Solvents- 105 Flash Point - 55 Gallon Drum

    $671.86 - $671.86
    $671.86
    $671.86 - $671.86
    $671.86

    TRUEGARD Mineral Spirits Petroleum Solvents are expertly engineered for a wide range of general-purpose cleaning and degreasing tasks. With a 105-d...

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    $671.86 - $671.86
    $671.86
    $671.86 - $671.86
    $671.86

  • 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

 


 

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.