The following Petro-Card 24 locations are temporarily closed for renovations:
• Gallatin (24349 239th St)
• Lake City, AR (305 N Main St)

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  • Fuels
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      • REVital Gasoline
      • BOSS Diesel
      • Renewable Fuels
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    • Wholesale Fuels
    • Fuel & Oil Analysis
    • Petro-Card 24
    • Credit Cards
    • Become a Customer
  • Propane
    • For Your Home
      • Furnaces & Boilers
      • Water Heating
      • Residential Generators
      • Appliances
      • Fireplaces
      • Outdoor Living
    • For Your Farm
      • Grain Drying
      • Irrigation
      • Poultry House Heating & Sanitation
      • Livestock Barn Heating
      • Agriculture Generators
    • For Your Business
      • Construction
      • Forklifts & Material Handling
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      • Commercial Heating & Cooking
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Motor Engine Oils

Rely on superior performance and extend the life of your engine with high-performing oils.

Take care of everything from your heavy-duty diesel truck to your favorite old car with a full line of conventional and synthetic oils, engineered for all sorts of temperatures and engines. There’s even an oil for the two-cycle engines in equipment like your chainsaw or lawn mower.

Buy from Your Nearest MFA Oil Office

Request More Information

A blue and white sign with a yellow border prominently features the words Oils & Lubricants, offering a vibrant visual cue.
A black jug of Work Horse heavy-duty engine oil with SAE 15W-40 specification. The label features a red and silver design, stating its for diesel/gasoline engines, with a capacity of 2.5 gallons (9.46 liters).

Work Horse® Heavy Duty Engine Oil SAE 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

Safety Data Sheet

Product Data Sheet
A black 2.5-gallon (9.46 L) container of Work Horse Heavy Duty Synthetic Blend Engine Oil, SAE 10W-30, with a black cap and a red, white, and gray label.

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 (except FA-4), 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

Safety Data Sheet

Product Data Sheet
A large black barrel labeled with Heavy Duty Engine Oil SAE 5W-40. It features text and logos in black, red, and white. The barrel is plain with visible ridges and appears to be standing upright.

Work Horse® Full Synthetic Heavy Duty Engine Oil SAE 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

Safety Data Sheet

Product Data Sheet
A black container of MFA Oil Work Horse Heavy Duty Engine Oil, SAE 30, with a capacity of 2.5 gallons (9.45 liters). The label features red and white text and a warning symbol.

Work Horse® Heavy Duty 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, severely hydrocracked, high-viscosity-index, paraffinic base stocks. They are designed to provide superior engine protection 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. API CF-2, CF/SG

Available Sizes:
Qt., 2.5 Gal., 55 Gal., 330 Gal., Bulk

Safety Data Sheet – Work Horse Heavy Duty SAE 10W
Safety Data Sheet – Work Horse Heavy Duty SAE 30
Safety Data Sheet – Work Horse Heavy Duty SAE 40
Safety Data Sheet – Work Horse Heavy Duty SAE 50

Product Data Sheet
A bottle of MFA Oil Excede SAE 0W-20 full synthetic motor oil, 1 quart (946 ml). The label is black with red and white text. It indicates the product is low friction and dexos1 certified.

Excede® Full Synthetic Motor Oils SAE 0W-20, 5W-30, SAE 0W-16, 5W-20

Excede Full Synthetic Motor Oils are state-of-the-art, advanced technology motor oil that provide a high level of engine protection, even under the most severe operating conditions. They provide outstanding resistance to high-temperature oxidation thickening and are formulated to reduce the likelihood of Low-Speed Pre-Ignition. An exceptionally high viscosity index minimizes cold weather oil thickening, which greatly reduces battery drain and engine wear, even at subzero startups.

Available Sizes:
Qt., 55 Gal., Bulk

Safety Data Sheets

Product Data Sheet – SAE 0W-20 & 5W-30
Product Data Sheet -SAE 0W-16 5W-20


A gray plastic bottle of MFA Oil Excede high mileage 5W-30 synthetic blend motor oil. The label highlights SAE 5W-30 and For High Mileage Engines with a capacity of 1 US quart (946 mL).

Excede® Synthetic Blend SAE 5W-20 and 5W-30 Motor Oils

Excede Synthetic Blend Motor Oils are made from a premium formulation combining synthetic and conventional base oils and a high-performance additive system. This combination provides increased protection from tough driving conditions that put extra stress and demands on your engine.

Available Sizes:
Qt., 55 Gal., Bulk

Safety Data Sheets

Product Data Sheet
Gray plastic container of MFA Oil Excede motor oil, labeled SAE 5W-30 Synthetic Blend Motor Oil. Capacity is 1 US quart (946 mL). For gasoline engines. Black cap on top.

Excede® High Mileage Synthetic Blend SAE 5W-30 Motor Oil

Excede Synthetic Blend High Mileage Motor Oil is engineered to provide both the benefits of synthetic base oils and the benefits of additives tailored to the needs of higher mileage engines.

Available Sizes:
Qt., Bulk

Safety Data Sheet

Product Data Sheet
A gray 1-quart bottle of MegaOil Excede motor oil with a black cap. The label reads SAE 10W-40 Motor Oil and 1 U.S. QT (946 mL) with a black and red design.

Excede® SAE 10W-40 Motor Oil

Excede SAE 10-40 Motor Oil is specially formulated to meet or exceed tough U.S. standards for outstanding protection and performance for today’s sophisticated, hard-working car and light truck engines. It provides high film strength and offers increased protection in high-temperature and high-load conditions.

Available Sizes:
Qt.

Safety Data Sheet

Product Data Sheet
A black plastic bottle labeled MFA Oil with 2-Cycle Engine Oil in large letters. The label is predominantly black with blue and red accents. The bottle contains 8 fluid ounces (236.5 mL) of air-cooled engine oil.

Air Cooled 2-Cycle Engine Oil

A premium lubricant formulated for two-stroke lawnmowers, chainsaws, trimmers and other two-cycle, air-cooled engines. It can be used in engines that require a fuel oil premix with multiple mix ratios from 16:1 to 50:1.

Available Sizes:
8 oz.

Safety Data Sheet

Product Data Sheet
Protection Plan: Limited Lubrication Warranty

MFA Oil Protection Plan

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.

Learn About Our Limited Warranty Program
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