Work Horse
Your hard-working equipment needs hard-working oil.
Work Horse® is a new breed of lubricants designed to stand up to brutal workloads and a wide range of challenging conditions. Born from a 90-year legacy of proven performance and premium products, Work Horse lubricants are formulated using the latest technology and advanced additives to deliver superior results and the protection you demand.
Work Horse® X-TRA GUARD™ Universal Tractor Fluid
Work Horse X-TRA GUARD™ UTF combats the wear, tear and heat generated by your farming equipment to ensure it works when you need it. Surpassing the industry’s highest performance levels, X-TRA GUARD is designed to stand up to severe mechanical and thermal stress. With so much riding on your equipment’s performance, you need a lubricant you can count on to keep your operation up and running. Choose X-TRA GUARD to dependably defend transmission and hydraulic systems from abrasion, friction, extreme pressure and deposits.
Available Sizes:
2.5 Gal., 55 Gal., 330 Gal., Bulk
Work Horse® Heavy Duty Engine Oil SAE 15W-40
Previously Sold As: Premium Heavy Duty Engine Oil 15W-40
Work Horse Heavy Duty Engine Oil SAE 15W-40 is engineered to provide superior performance and protection for heavy-duty diesel engines operating under all service conditions. It contains only high-viscosity-index lubricating oils, using a unique blend of advanced technology detergents.
Meets or exceeds U.S. and import car and light truck warranty requirements for all diesel and gasoline automotive engines currently in use where an SAE 15W-40 that meets API CK-4/SN, SM or SL is specified.
Available Sizes:
Qt, 2.5 Gal., 55 Gal., 330 Gal., Bulk
Work Horse® Heavy Duty Engine Oil Synthetic Blend SAE 10W-30
Work Horse Heavy Duty Engine Oil Synthetic Blend SAE 10W-30 is one of the most rigorously and extensively tested fluids we have ever developed. Our additive system is supported by over 100 million miles of field testing in various applications and conditions, including: long and short haul fleets; off-road equipment; and commercial and public buses.
This formulation is API CK-4 specified and meets all service categories for all diesel engines, including the capability to provide outstanding performance for older diesel engines, reducing the need to inventory multiple engine oils.
Available Sizes:
Qt., 2.5 Gal., 55 Gal., 330 Gal., Bulk
Work Horse® Full Synthetic Heavy Duty Engine Oil SAE 5W-40
Previously Sold As: Extended Life Full Synthetic Motor Oil 5W-40
Work Horse Full Synthetic Heavy Duty Engine Oil SAE 5W-40 is specifically designed for use in high-output, low emission engines including those with exhaust gas recirculation (EGR) using ultra-low sulfur diesel fuel, as well as older engines using low or higher sulfur fuels, aftermarket treatment systems with diesel particulate filters (DPFs) and diesel oxidation catalyst (DOC) treatments.
Available Sizes:
55 Gal., 330 Gal., Bulk
Work Horse® Heavy Duty SAE 10W, 30, 40 and 50 Engine Oils
Previously Sold As: Premium Heavy Duty Engine SAE 10W, 30, 40 and 50 Engine Oils
Work Horse Heavy Duty SAE 10W, 30, 40 and 50 Engine Oils are formulated using only high quality Group II, severly hydrocracked, high viscosity index, paraffinic base stocks. They are designed to provide superior engine pretection for diesel and gasoline engines.
Work Horse Heavy Duty SAE 10W, 30, 40 and 50 Engine Oils are primarily for both turbocharged and naturally-aspirate diesel engines used in the heavy-duty trucking, mining, construction and farming industries. Check owner’s manual for recommended viscosity and API classification. Available in API CF-2, CF/SG.
Safety Data Sheet – Work Horse Heavy Duty Engine Oil SAE 10W
Safety Data Sheet – Work Horse Heavy Duty Engine Oil SAE 30
Safety Data Sheet – Work Horse Heavy Duty Engine Oil SAE 40
Safety Data Sheet – Work Horse Heavy Duty Engine Oil SAE 50
Available Sizes:
Qt., 2.5 Gal., 55 Gal., 330 Gal., Bulk
Work Horse® Full Synthetic Multi-Vehicle ATF
Previously Sold As: MFA Oil Full Synthetic Multi-Vehicle Heavy Duty ATF
Work Horse Full Synthetic Multi-Vehicle ATF is a balanced, advanced formula utilizing superior additive technology and premium base oil that helps ensure peak performance of many automatic transmissions manufactured after 1983, including many foreign vehicles. It meets the performance requirements of DEXRON®, DEXRON®-II, DEXRON®-IIE, DEXRON®-III, DEXRON®-VI, MERCON®, MERCON® LV, TOYOTA T–IV, HONDA Z-1, NISSAN MATIC-J and many others.
Available Sizes:
Qt., 55 Gal., 330 Gal., Bulk
Work Horse® Automatic Transmission Fluid
Previously Sold As: MFA Oil DEXRON®-III
Work Horse Automatic Transmission Fluid is specially formulated using only premium lubricating oils and a technologically advanced additive system. This high quality product is suitable for use where DEXRON®-II, DEXRON®-III or MERCON® fluids are specified. Do not use this product in General Motors vehicles after model year 2005 or Ford vehicles after model year 2006. Do not use this product in transmissions that specify Ford Type F, MERCON®V or GM DEXRON®-VI fluid. Consult owner’s manual for recommended use.
Available Sizes:
Qt., 2.5 Gal., 55 Gal., Bulk
Work Horse® Full Synthetic Transmission Fluid SAE 50
Previously Sold As: MFA Oil Extended Life Synthetic Transmission SAE 50
Work Horse Full Synthetic Transmission Fluid SAE 50 is formulated for use in manual transmissions that undergo severe duty and extended drain intervals. It is formulated with full synthetic base stocks and advanced additives to provide outstanding cold temperature performance and protection against corrosion and deposits.
Available Sizes:
5 Gal., 55 Gal., 330 Gal., Bulk
Work Horse® Full Synthetic CVT Transmission Fluid
Previously Sold As: MFA Oil CVT Transmission Fluid
Work Horse Full Synthetic CVT Transmission Fluid is specially formulated with a unique combination of full synthetic base stocks and technologically advanced additives designed for the demands of CVTs. This premium product is recommended for use in many belt or chain driven continuously variable transmissions and it is not a replacement for ATF.
Consult owner’s manual for recommended use.
Available Sizes:
Qt., 5 Gal.
Work Horse® Full Synthetic Gear Oils SAE 75W-90 and SAE 75W-140
Previously Sold As: MFA Oil Extended Life Full Synthetic Premium Gear Oil
Work Horse Full Synthetic Gear Oils SAE 75W-90 and SAE 75W-140 are specially formulated with high-viscosity-index lubricating oils and new-generation, multifunction gear oil additives. They offer excellent performance in severe temperatures, outstanding protection against wear and extreme pressure; longer equipment life; extended drain interval capability; and resistance to rust, foam, corrosion and oxidation.
Available Sizes:
Qt., 5 Gal., 16 Gal., 55 Gal., 330 Gal, Bulk
Safety Data Sheet – Work Horse Full Synthetic Gear Oil SAE 75W-90
Safety Data Sheet – Work Horse Full Synthetic Gear Oil SAE 75W-140
Work Horse® Gear Oils SAE 80W-90 and SAE 85W-140
Previously Sold As: MFA Oil Multi-Purpose Gear Oil
Work Horse Gear Oils SAE 80W-90 and SAE 85W-140 are designed to protect against extreme temperatures and pressure; prevent gears from corroding, scoring, scuffing, and pitting; and provide smooth operation while operating under heavy loads. They are formulated with high-viscosity-index lubricating oils and advanced multifunctional gear oil additives.
Available Sizes:
Qt., 2.5 Gal., 16 Gal., 55 Gal., 330 Gal., Bulk
Safety Data Sheet – Work Horse Gear Oil SAE 80W-90
Safety Data Sheet – Work Horse Gear Oil SAE 85W- 140
Work Horse® HD Moly 5% Grease
Work Horse HD Moly 5% Grease is a heavy-duty grease designed for low-speed, heavy-load applications. It offers an extremely high dropping point (above 500°F), excellent shock load, extreme pressure protection and water resistance.
Available Sizes:
16 oz., 35 lb., 120 lb., 400 lb.
Work Horse® Total Use Grease
Previously Sold As: MFA Oil Total Use Grease
Work Horse Total Use Grease comes closer to being a truly all-purpose product than most greases in the marketplace. The life of this product is two or three times that of regular grease, either in storage or in the most critical areas of application. Its performance in water or wet environments is the same as if no water were present.
Total Use Grease carries NLGI GC-LB approval.
Available Sizes:
16 oz., 35 lb., 120 lb., 400 lb.
Work Horse® Way Lubricants ISO 68 and ISO 220
Previously Sold As: MFA Oil Way Lubricants
Work Horse Way Lubricants ISO 68 and ISO 220 eliminate the stick-slip phenomenon that damages machine part surfaces. These lubricants resist oxidation and have excellent protection against extreme pressure.
This product is recommended for slide-way bearings of lathes, shapers, grinders, lumber mills (saws and carriages) and milling machines.
Available Sizes:
5 Gal., 55 Gal., 330 Gal.
Safety Data Sheet – Work Horse Way Lubricants ISO 68
Safety Data Sheet – Work Horse Way Lubricants ISO 220
Work Horse® Industrial Hydraulic Oils R&O
Previously Sold As: MFA Oil Industrial R&O Hydraulic Turbine Oil
Work Horse Industrial Hydraulic Oils R&O have outstanding oxidation resistance and contain a metal passivator, demulsifier and antifoam protection. It may be used as a heat transfer oil.
Available in R&O ISO 32, R&O ISO 68 and R&O ISO 150.
Available Sizes:
5 Gal., 55 Gal., 330 Gal., Bulk
Safety Data Sheet – Work Horse Industrial Hydraulic Oils R&O 22
Safety Data Sheet – Work Horse Industrial Hydraulic Oils R&O 32
Safety Data Sheet – Work Horse Industrial Hydraulic Oils R&O 68
Safety Data Sheet – Work Horse Industrial Hydraulic Oils R&O 150
Work Horse® Industrial EP Gear Oils
Previously Sold As: Premium Industrial EP Gear Oil
Work Horse Industrial EP Gear Oils are recommended for lubrication of spur, helical, bevel and worm gear configurations subject to heavy or shock loading in industrial equipment.
Available in EP ISO 150, EP ISO 220 and EP ISO 320.
Available Sizes:
5 Gal., 55 Gal., Bulk
Safety Data Sheet – Work Horse Industrial EP Gear Oil ISO 150
Safety Data Sheet – Work Horse Industrial EP Gear Oil ISO 220
Safety Data Sheet – Work Horse Industrial EP Gear Oil ISO 320
Work Horse® Torque Fluid TO-4 SAE 10, 30 and 50
Previously Sold As: MFA Oil Torque Fluid
Work Horse Torque Fluid TO-4 SAE 10, 30 and 50 are a system-matched formula for Caterpillar® power shift transmissions, most final drives and wet brake compartments.
These products are suitable for use in Caterpillar® and other manufacturers’ machine compartments where TO-4 fluids are specified.
Available Sizes:
5 Gal., 55 Gal., 330 Gal., Bulk
Safety Data Sheet – Work Horse Torque Fluid TO-4 SAE 10
Safety Data Sheet – Work Horse Torque Fluid TO-4 SAE 30
Safety Data Sheet – Work Horse Torque Fluid TO-4 SAE 50
Work Horse® Industrial Hydraulic Oils AW
Previously Sold As: MFA Oil Industrial Hydraulic Oil AW
Work Horse Industrial Hydraulic Oils AW have outstanding thermal and oxidative stability; superior hydrolytic stability; and excellent dielectric strength, rust protection and demulsibility.
Available in AW ISO 22, AW ISO 32, AW ISO 46, AW ISO 68 and AW ISO 100.
Available Sizes:
2.5 Gal., 5 Gal., 55 Gal., 330 Gal., Bulk
Safety Data Sheet – Work Horse Industrial Hydraulic Oils AW ISO 22
Safety Data Sheet – Work Horse Industrial Hydraulic Oils AW ISO 32
Safety Data Sheet – Work Horse Industrial Hydraulic Oils AW ISO 46
Safety Data Sheet – Work Horse Industrial Hydraulic Oils AW ISO 68
Safety Data Sheet – Work Horse Industrial Hydraulic Oils AW ISO 100
Limited Lubrication Warranty
We proudly stand behind the quality of our products. MFA Oil brand lubricants have been specially formulated with the latest technology to meet and exceed the performance requirements of automotive, agriculture and commercial equipment.