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    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 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
  • Shell Morlina S3 BA 320 Premium Rust And Oxidation Inhibited Lubricating Oil - 5 Gallon Pail

    Shell Morlina S3 BA 320 Premium Rust And Oxidation Inhibited Lubricating Oil - 5 Gallon Pail

    $154.01 - $154.01
    $154.01
    $154.01 - $154.01
    $154.01

    Shell Morlina S3 BA oils are premium quality rust & oxidation inhibited lubricating oils that provide excellent lubrication in MORGOIL bearing ...

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    $154.01 - $154.01
    $154.01
    $154.01 - $154.01
    $154.01
  • Diesel 911 Diesel Fuel Supplement - Case Of 12 (1 QT Containers)

    Diesel 911 Diesel Fuel Supplement - Case Of 12 (26 OZ Containers)

    $160.11 - $160.11
    $160.11
    $160.11 - $160.11
    $160.11

    Buy Diesel 911 in cases Of 12 (26 OZ containers). The Winter Rescue Formula of Diesel 911 restores the flow of diesel fuel to an engine caused by g...

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    $160.11 - $160.11
    $160.11
    $160.11 - $160.11
    $160.11
  • AeroShell Oil W100 Plus Single Grade Aviation Oil - Case of 12 (1 Qt)

    AeroShell Oil 100W Plus Single Grade Aviation Oil - Case of 6 (1 Qt)

    $141.75 - $141.75
    $141.75
    $141.75 - $141.75
    $141.75

    To better safeguard against rust and corrosion of engine parts, use AeroShell Oil W100 Plus aviation oil. It combines high-performance single grade...

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    $141.75 - $141.75
    $141.75
    $141.75 - $141.75
    $141.75

  • TRUEGARD Marine RV - 50 Antifreeze - 55 Gallon Drum

    $748.51 - $748.51
    $748.51
    $748.51 - $748.51
    $748.51

    The TRUEGARD Marine RV 50 Antifreeze is a reliable solution for safeguarding your water-containing systems and equipment throughout the winter mont...

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    $748.51 - $748.51
    $748.51
    $748.51 - $748.51
    $748.51
  • TRUEGARD High Mileage 5W30 Motor Oil - 5 Gallon Pail

    TRUEGARD High Mileage 5W30 Motor Oil - 5 Gallon Pail

    $93.87 - $93.87
    $93.87
    $93.87 - $93.87
    $93.87

    *THIS PRICE IS FOR 5 GAL PAIL. TRUEGARD HIGH MILEAGE MOTOR OILS are formulated for engines with 75,00 miles and more. They provide extra protection...

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    $93.87 - $93.87
    $93.87
    $93.87 - $93.87
    $93.87
  • Shell Omala S2 G 460 Extreme Pressure Industrial Gear Oil - 5 Gallon Pail

    Shell Omala S2 GX 460 Extreme Pressure Industrial Gear Oil - 5 Gallon Pail

    $326.92 - $326.92
    $326.92
    $326.92 - $326.92
    $326.92

    Shell Omala S2 GX 460 is an extreme-pressure oil that can handle the tough work inside heavy-duty industrial gears. Because of its high load-carryi...

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    $326.92 - $326.92
    $326.92
    $326.92 - $326.92
    $326.92
  • Shell Turbo T 100 Turbine OIl - 55 Gallon Drum

    Shell Turbo T 100 Turbine Oil - 55 Gallon Drum

    $1,598.50 - $1,598.50
    $1,598.50
    $1,598.50 - $1,598.50
    $1,598.50

    Featuring high quality hydroprocessed (API Group II) base oils and a combination of zinc-free additives, Shell Turbo T 100 is a high-quality gas an...

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    $1,598.50 - $1,598.50
    $1,598.50
    $1,598.50 - $1,598.50
    $1,598.50

  • Pennzoil Gold SAE 5W-30 Synthetic Blend Motor Oil - 55 Gallon Drum

    $1,068.11 - $1,068.11
    $1,068.11
    $1,068.11 - $1,068.11
    $1,068.11

    Pennzoil Gold SAE 5W-30 Synthetic Blend Motor Oil - 55 Gallon Drum

    $1,068.11 - $1,068.11
    $1,068.11
    $1,068.11 - $1,068.11
    $1,068.11
  • Sprayway Orange Citrus Crazy Clean - Case of 12

    Sprayway Orange Citrus Crazy Clean - Case of 12

    $99.75 - $99.75
    $99.75
    $99.75 - $99.75
    $99.75

    12 Count of 20 oz cans Cleans, deodorizes and degreases parts, work areas, walls, and floors. Removes dirty hand prints, scuff marks, bathtub ring...

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    $99.75 - $99.75
    $99.75
    $99.75 - $99.75
    $99.75
  • Sprayway C1 Penetrating Coil Cleaner - Case of 12

    Sprayway C1 Penetrating Coil Cleaner - Case of 12

    $73.98 - $73.98
    $73.98
    $73.98 - $73.98
    $73.98

    12 Count of 19 Oz Cans The Penetrating Coil Cleaner features a delayed foaming action that allows the nonacid, non-chlorinated formula to attack di...

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    $73.98 - $73.98
    $73.98
    $73.98 - $73.98
    $73.98
  • Shell Rotella T3 NG 15W-40 Heavy Duty Engine Oil - 55 Gallon Drum

    Shell Rotella T3 NG 15W-40 Heavy Duty Engine Oil - 55 Gallon Drum

    $1,281.55 - $1,281.55
    $1,281.55
    $1,281.55 - $1,281.55
    $1,281.55

    Rotella T3 NG 15W-40 is a multigrade dedicated CNG engine oil that is specifically formulated to meet the performance demands of the ranging temper...

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    $1,281.55 - $1,281.55
    $1,281.55
    $1,281.55 - $1,281.55
    $1,281.55
  • Shell Gadus S2 V220 1 Extreme Pressure Grease - 400 Pound Drum

    Shell Gadus S2 V220 1 Extreme Pressure Grease - 400 Pound Drum

    $1,713.02 - $1,713.02
    $1,713.02
    $1,713.02 - $1,713.02
    $1,713.02

    Shell Gadus S2 V220 greases are high quality multipurpose, extreme-pressure greases based on a blend of high viscosity index mineral oils and a lit...

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    $1,713.02 - $1,713.02
    $1,713.02
    $1,713.02 - $1,713.02
    $1,713.02
  • 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

  • TRUEGARD High Mileage 5W30 Motor Oil - 55 Gallon Drum

    $717.79 - $717.79
    $717.79
    $717.79 - $717.79
    $717.79

    *THIS PRICE IS FOR 55 GAL drum. Β  TRUEGARD HIGH MILEAGE MOTOR OILS are formulated for engines with 75,00 miles and more. They provide extra protect...

    View full details
    $717.79 - $717.79
    $717.79
    $717.79 - $717.79
    $717.79

  • 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 Syncool 428 - 55 Gallon Drum

    $1,320.64 - $1,320.64
    $1,320.64
    $1,320.64 - $1,320.64
    $1,320.64

    Β  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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    $1,320.64 - $1,320.64
    $1,320.64
    $1,320.64 - $1,320.64
    $1,320.64
  • Shell Morlina S4 B 680 Advanced Bearing & Circulating Oil - 5 Gallon Pail

    Shell Morlina S4 B 680 Advanced Bearing & Circulating Oil - 5 Gallon Pail

    $305.93 - $305.93
    $305.93
    $305.93 - $305.93
    $305.93

    Shell Morlina S4 B 680 provides protection in the most extreme environments, which makes it a must-have for "lubricated for life" systems, highly l...

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    $305.93 - $305.93
    $305.93
    $305.93 - $305.93
    $305.93
  • STAINLESS TIM-87 Stainless Steel Pump

    STAINLESS TIM-87 Stainless Steel Pump

    $256.84 - $256.84
    $256.84
    $256.84 - $256.84
    $256.84

    The TIM-87 Stainless Steel Pump with teflon seals and teflon suction tube for pumping more aggressive chemicals: mild acids, detergents, acetone, w...

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    $256.84 - $256.84
    $256.84
    $256.84 - $256.84
    $256.84
  • Shell Tonna S2 MX 32 Machine Tool Slideway Oil - 55 Gallon Drum

    Shell Tonna S2 MX 32 Machine Tool Slideway Oil - 55 Gallon Drum

    $1,697.24 - $1,697.24
    $1,697.24
    $1,697.24 - $1,697.24
    $1,697.24

    Shell Tonna S2 MX 32 is specifically designed machine tool slideway oil that promotes the efficiency and performance of machine tool slides, tables...

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    $1,697.24 - $1,697.24
    $1,697.24
    $1,697.24 - $1,697.24
    $1,697.24

  • Shell Tellus S3 M 46 Hydraulic Oil - 5 Gallon Pail

    $198.45 - $198.45
    $198.45
    $198.45 - $198.45
    $198.45

    Shell Tellus S3 M 46æfluidsæare high performance hydraulic fluids that use exclusive zinc-free technology to provide outstanding protection and pe...

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    $198.45 - $198.45
    $198.45
    $198.45 - $198.45
    $198.45

  • Shell Spirax S4 AX 85W-140 Heavy Duty Extreme-Pressure Gear Oil- 120 KEG

    $577.50 - $577.50
    $577.50
    $577.50 - $577.50
    $577.50

    Shell SpiraxΒ  oils are high performance multigrade extreme-pressure, multipurpose gear lubricants. They are suitable for heavy-duty truck and autom...

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    $577.50 - $577.50
    $577.50
    $577.50 - $577.50
    $577.50
  • Shell Rotella T1 30 (CF/CF-2) Heavy Duty Diesel Engine Oil - 55 Gallon Drum

    Shell Rotella T1 30 (CF/CF-2) Heavy Duty Diesel Engine Oil - 55 Gallon Drum

    $1,244.29 - $1,244.29
    $1,244.29
    $1,244.29 - $1,244.29
    $1,244.29

    Shell Rotella T1 30 (CF/CF-2) High Quality Heavy Duty Diesel Engine Oils use well-proven performance additives to fight engine wear and prevent dep...

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    $1,244.29 - $1,244.29
    $1,244.29
    $1,244.29 - $1,244.29
    $1,244.29

Β 


Β 

diesel exhaust fluid, heavy-duty motor oil, antifreeze and coolant, fuel and oil additivesΒ from brands including Truegard, Shell, BlueDEF, Peak, and other trusted manufacturers.

Β 


Β 

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 suppliesΒ 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.