Top Natural Gas Engine Reviews

Kohler 20RCAL-200SELS 20kW Standby Generator, Tan

  • Automatically restore power in just 10 seconds with the premium power of a Kohler generator that delivers advanced voltage and frequency regulation while still protecting valuable electronics.
  • Compatible to run on natural gas (18kW) or liquid propane (20kW) with simple switching between natural gas and liquid propane in the field.
  • Includes RXT 200-amp outdoor-rated, service entrance rated automatic transfer switch.
  • Powered by reliable KOHLER Command PRO engine, designed and tested for tough commercial applications.
  • with hydraulic valve lifters to eliminate need for lengthy break-in periods and expensive valve adjustments. (Kohler CH1000 4-Cycle, 30.9 HP, V-2 999 CC engine).
  • PowerBoost technology provides power to start large loads such as central air conditioners without dropping power to other appliances.
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Pennzoil Ultra Platinum Full Synthetic 0W-20 Motor Oil 5-Quart Single Pack

  • Full synthetic 0W-20 engine oil made from natural gas, not crude, using Pennzoil's patented gas-to-liquid PurePlus Technology.
  • No other leading motor oil provides better wear protection for your engine (based on Sequence IVA wear test using SAE 5W-30).
  • Pennzoil 0W-20 is a carbon neutral motor oil, achieved through verified Nature Based Carbon Credits that offset the CO2 lifecycle emissions.
  • Helps protect engines from loss of power and provides better fuel economy—drive on average an extra 550 miles per year (versus a dirty engine).
  • Keeps pistons dramatically cleaner than required by the toughest industry standards (based on ILSAC GF-6 and Sequence IIIH piston deposit test using....
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Pennzoil Ultra Platinum Full Synthetic 5W-20 Motor Oil 5 Quart Case of 3

  • Full synthetic 5W-20 engine oil made from natural gas, not crude, using Pennzoil's patented gas-to-liquid PurePlus Technology.
  • No other leading motor oil provides better wear protection for your engine (Based on Sequence IVA wear test using SAE 5W-30).
  • Helps protect engines from loss of power and provides better fuel economy—drive on average an extra 550 miles per year (versus a dirty engine).
  • Keeps pistons dramatically cleaner than required by the toughest industry standards (Based on ILSAC GF-6 and Sequence IIIH piston deposit test using....
  • Delivers unsurpassed sludge protection to help keep high-performance and luxury car engines as close as possible to factory clean (Based on Sequence....
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DuroMax XP13000HXT 13,000-Watt 500cc Tri Fuel Gas Propane Natural Gas Portable Generator with CO Alert

  • Tri Fuel Technology: This generator runs on gasoline, propane, and natural gas, giving you the freedom and flexibility of fuel choice. Gasoline is a tried-and-true fuel option that’s readily available. Propane is a cleaner burning fuel that is cost effective, fuel efficient, and has a long shelf life. Natural gas has the benefit of providing you with unlimited fuel supply and hooks up directly to your home’s gas line, so you don’t have to worry about storing tanks and spills..
  • Home Power Backup Ready: With 13,000 watts of POWER, the XP13000HXT will power your lights, appliances, AC system and other household essentials with ease during a storm or power outage. It comes equipped with a 50 amp plug that hooks up directly to your home via a transfer switch..
  • Powerful 500cc OHV Engine: At the heart of this generator resides a robust DuroMax engine designed to provide you with the most power..
  • CO Alert: Protect your family from dangerous engine fumes. DuroMax offers the safest generators on the market with our CO Alert technology, which turns off the generator automatically when an unsafe level of carbon monoxide is detected..
  • Push Button Start and Remote Start: Turn on your generator with a simple push of a button, or use the remote to conveniently sta....
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Pennzoil Ultra Platinum Full Synthetic 5W-30 Motor Oil (5-Quart, Single Pack)

  • Full synthetic 5W-30 engine oil made from natural gas, not crude, using Pennzoil’s patented gas-to-liquid PurePlus Technology.
  • No other leading motor oil provides better wear protection for your engine (Based on Sequence IVA wear test using SAE 5W-30).
  • Helps protect engines from loss of power and provides better fuel economy—drive on average an extra 550 miles per year (versus a dirty engine).
  • Keeps pistons dramatically cleaner than required by the toughest industry standards (Based on ILSAC GF-6 and Sequence IIIH piston deposit test using SAE 5W-30).
  • Delivers unsurpassed sludge protection to help keep high-performance and luxury car engines as close as possible to factory clean (Based on Sequence VH Sludge Test using SAE 5W-20).
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Pennzoil Ultra Platinum Full Synthetic 10W-30 Motor Oil 1-Quart Case of 6

  • Full synthetic 10W-30 engine oil made from natural gas, not crude, using Pennzoil's patented gas-to-liquid PurePlus Technology.
  • No other leading motor oil provides better wear protection for your engine (Based on Sequence IVA wear test using SAE 5W-30).
  • Helps protect engines from loss of power and provides better fuel economy—drive on average an extra 550 miles per year (versus a dirty engine).
  • Keeps pistons dramatically cleaner than required by the toughest industry standards (Based on ILSAC GF-6 and Sequence IIIH piston deposit test using....
  • Delivers unsurpassed sludge protection to help keep high-performance and luxury car engines as close as possible to factory clean (Based on Sequence....
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Pennzoil 550045208 Motor Oil, 5W-30, 5 Qts. - Quantity 3

  • Full synthetic 5W-30 engine oil made from natural gas, not crude, using Pennzoil's patented gas-to-liquid PurePlus Technology.
  • Designed for for vehicles with over 75,000 miles.
  • Pennzoil Platinum High Mileage 5W-30 keeps pistons up to 45% cleaner than the toughest industry standard (Based on Sequence IIIH results).
  • No other leading high mileage motor oil provides better protection from friction (Based on Sequence IVA wear test using SAE 5W-30).
  • Formulated to deliver less oil burn off than high mileage motor oils made from crude oil.
  • Helps protect engines from loss of horsepower.
  • Single 5-quart bottle with ergonomic design for easy handling and pouring.
  • Provides faster low-temperature oil flow and protects in extreme heat.
  • Pennzoil is the first motor oil made from natural gas, not crude—PurePlus Technology converts pure natural gas into high-quality, full-synthetic base oil that's crystal clear and contains fewer impurities than other traditional and synthetic motor oils.
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Pennzoil Platinum Full Synthetic 5W-30 Motor Oil (1-Quart, Single)

  • Full synthetic 5W-30 engine oil made from made from natural gas, not crude, using Pennzoil's patented gas-to-liquid PurePlus Technology.
  • Provides better fuel economy—drive on average an extra 550 miles per year (versus a dirty engine).
  • Pennzoil Platinum 5W-30 keeps pistons up to 45% cleaner than the toughest industry standard (Based on Sequence IIIH results).
  • No other leading synthetic oil provides better wear protection from friction (Based on Sequence IVA wear test using SAE 5W-30).
  • Formulated to provide faster low-temperature oil flow and protection in extreme heat.
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Pennzoil Platinum Full Synthetic 5W-20 Motor Oil (1-Quart, Single Pack)

  • Full synthetic 5W-20 engine oil made from made from natural gas, not crude, using Pennzoil's patented gas-to-liquid PurePlus Technology.
  • Provides better fuel economy—drive on average an extra 550 miles per year (versus a dirty engine).
  • Pennzoil Platinum 5W-20 keeps pistons up to 45% cleaner than the toughest industry standard (Based on Sequence IIIH results).
  • No other leading synthetic oil provides better wear protection from friction (Based on Sequence IVA wear test using SAE 5W-30).
  • Formulated to provide faster low-temperature oil flow and protection in extreme heat.
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Pennzoil Platinum Full Synthetic 5W-20 Motor Oil 5-Quart Single Pack

  • Full synthetic 5W-20 engine oil made from made from natural gas, not crude, using Pennzoil's patented gas-to-liquid PurePlus Technology.
  • Provides better fuel economy—drive on average an extra 550 miles per year (versus a dirty engine).
  • Pennzoil Platinum 5W-20 keeps pistons up to 45% cleaner than the toughest industry standard (Based on Sequence IIIH results).
  • No other leading synthetic oil provides better wear protection from friction (Based on Sequence IVA wear test using SAE 5W-30).
  • Formulated to provide faster low-temperature oil flow and protection in extreme heat.
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Pennzoil Platinum Full Synthetic 10W-30 Motor Oil 5-Quart Single

  • Full synthetic 10W-30 engine oil made from made from natural gas, not crude, using Pennzoil's patented gas-to-liquid PurePlus Technology.
  • Provides better fuel economy—drive on average an extra 550 miles per year (versus a dirty engine).
  • Pennzoil Platinum 10W-30 keeps pistons up to 45% cleaner than the toughest industry standard (Based on Sequence IIIH results).
  • No other leading synthetic oil provides better wear protection from friction (Based on Sequence IVA wear test using SAE 5W-30).
  • Formulated to provide faster low-temperature oil flow and protection in extreme heat.
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Pennzoil Platinum Full Synthetic 10W-30 Motor Oil 1-Quart Single

  • Full synthetic 10W-30 engine oil made from made from natural gas, not crude, using Pennzoil's patented gas-to-liquid PurePlus Technology.
  • Provides better fuel economy—drive on average an extra 550 miles per year (versus a dirty engine).
  • Pennzoil Platinum 10W-30 keeps pistons up to 45% cleaner than the toughest industry standard (Based on Sequence IIIH results).
  • No other leading synthetic oil provides better wear protection from friction (Based on Sequence IVA wear test using SAE 5W-30).
  • Formulated to provide faster low-temperature oil flow and protection in extreme heat.
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Pennzoil Platinum Full Synthetic 0W-20 Motor Oil 5-Quart Single

  • Full synthetic 0W-20 engine oil made from made from natural gas, not crude, using Pennzoil's patented gas-to-liquid PurePlus Technology.
  • Pennzoil 0W-20 is a carbon neutral motor oil, achieved through verified Nature Based Carbon Credits that offset the CO2 lifecycle emissions.
  • Provides better fuel economy—drive on average an extra 550 miles per year (versus a dirty engine).
  • Pennzoil Platinum 0W-20 keeps pistons up to 45% cleaner than the toughest industry standard (based on Sequence IIIH results).
  • No other leading synthetic oil provides better wear protection from friction (Based on Sequence IVA wear test using SAE 5W-30).
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