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Premium Lubricants

Lake Country Co-op Premium Lubricants are designed to withstand the toughest manufacturer tests and provide the ultimate in durability and protection.

Diesel Motor Oil

D-MO (Diesel Motor Oil) products are recommended for use in all high-output, turbo-charged, four stroke diesel motors with advanced after-treatment devices found in current emission-compliant equipment. D-MO is uniquely blended for both on- and off-road diesel motor applications and stationary engines. D-MO products are formulated to met the industry's most stringent specifications, including the American Petroleum Institute's CK-4 performance-specification as well as the latest specifications from OEM's Cummins, Detroit Diesel, Volvo and Mack.

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Transmission Hydraulic Fluids

T-HF (Trans-Hydraulic Fluid) products are premium, heavy-duty fluids. Each product has been tested against the performance standards of industry-leading original equipment manufacturers that recommend a high-performing single fluid for a common oil-reservoir system. 

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Gasoline Engine Oils

Elite Gasoline Engine Oils are an exceptional choice for use in the latest turbocharged gasoline direct injection (TGDI) engines and are versatile in meeting the operational demands of all gasoline engine types, in both new and older models. The Elite lineup is sure to provide superior protection against Low Speed Pre-Ignition (LSPI), along with Advanced Oxidation Control and Leading Engine Performance.

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Transmission Drive Train Oils

TORC Transmission Drive Train Oils are designed to meet the rigid performance requirements and demanding environment for heavy-duty equipment found in thee agriculture, commercial, construction and forestry industries. These oils are made to protect powershift/hydrostatic transmissions, final drives, differentials, torque converters, wet brakes, hydraulics and gear boxes. TORC oils meet the requirements of the Caterpillar TO-4 and, in the appropriate product, the TO-4M performance specifications.

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Industrial Hydraulic Oils

Co-op offers a complete selection of premium-quality hydraulic oils that use proprietary formulations and unique additive packages to prevent sludge, varnish and corrosion within the hydraulic system.


Automotive Gear Oils

Keep your fleet rolling and ensure the performance and protection of vital components with Co-ops multi-grade automotive gear fluids.


Industrial Gear Oils

For extreme pressure gear applications that need protection from wear, rust, and corrosion in heavy or shock-loaded systems. 

Industrial Gear Oils

For extreme pressure gear applications that need protection from wear, rust, and corrosion in heavy or shock-loaded systems. 

Automatic Transmission Fluids

ATF (Automatic Transmission Fluid) is recommended for use in a variety of newer and older automatic transmissions. Across the ATF product line, performance benefits include premium low-viscosity, cold-weather performance and superior protection.  


Sonic Grease

Sonic Grease includes a premium additive package that provides extreme pressure (EP) protection for equipment under heavy load and severe stress conditions.  A wide operating range allows you to maintain peak performance in both high and low temperatures.

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Have Your Oil Tested

Pick up an oil analysis sample kit at participating Co-op locations.  Take the preventative measures to ensure your equipment is protected and running at peak performance while avoiding unnecessary down time.  Doing so will allow your operations to be more productive and profitable.  Co-op has partnered with Fluid Life Equipment Reliability Services to test your oil as part of the total equipment protection package.


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