This engine series is commonly used in cogeneration facilities with natural gas at high temperatures in cooling circuits and with biogas in various applications where electrical efficiency, easy operation and service, and high flexibility of operation are required. ? Output range from 260 to 800 kWb (1500 ? 1800 rpm) ? Powered by natural gas, biogas, landfill gas, and sewage gas ? Supplied as a stand-alone engine, generator genset, with cogeneration systems (CHP) skid separately, or in a fully assembled container unit (noise insulated if required) Features include ? ? Inspection doors on both sides ? Suspended crankshaft ? Diagonally split connecting rods ? Bimetallic bearings for connecting rods and crankshaft ? Aluminum alloy pistons with three rings and reduced lube oil consumption ? Cast individual cylinder heads, with four valves extra lubricated to avoid corrosion problems with high sulfur gases ? Electric or pneumatic starter ? High cooling temperature options (120?C in main circuit and 80?C in auxiliary circuit) for special cogeneration requirements ? High performance turbocharger ? Electronically controlled ignition system

The SFGLD engine series can be adapted to operate on lean gases from biomass gasification processes as well as associated gas, low quality natural gas, well gas, natural gas liquids (NGLs) and a wide range of waste gases from the oil and gas industry. ? Output range from 315 to 1067 kWb ? Powered by natural gas, biogas, landfill gas, sewage gas, flare gas, and a wide variety of other gases ? syngas, associated petroleum gas (APG), well gas, etc. ? Supplied as a stand-alone engine, genset, with cogeneration systems (CHP) skid separately, or in a fully assembled container unit (noise insulated if required) Features include ? ? Dry / wet exhaust manifold ? Single / double step intercooler ? Oil cooler in main / auxiliary circuit ? 248 / 194?F (120 / 90?C) main cooling circuit temperature ? 176 / 131 / 104?F (80 / 55 / 40?C) intercooler cooling circuit temperature ? EPA certified for natural gas power generation ? Able to reach rich burn engines load acceptance in certain configurations

The Dresser-Rand Guascor? electronically carbureted, Miller cycle, SFGM engine series ranges from 1055 to 1100 kWb. This engine series provides excellent installation solutions for power generation and co- and tri-generation configurations. These engines have been designed to operate using Miller cycle technology which provides maximum efficiency. ? Output range from 1055 to 1100 kWb using natural gas ? Output range from 275-906 kWb (1500 ? 1800 rpm) using propane ? Powered by natural gas, biogas, landfill gas, sewage gas, flare gas, and a wide variety of other gases ? propane/ liquefied petroleum gas (LPG), syngas, associated petroleum gas (APG), well gas, etc. ? Supplied as a stand-alone engine, genset, with cogeneration systems (CHP) skid separately, or in a fully assembled containerized unit (noise insulated if required) Features include ? ? Dry exhaust manifold ? Double step intercooler ? Oil cooler in main / auxiliary circuit ? 194?F (90?C) main cooling circuit temperature ? 131 / 104?F (55 / 40?C) intercooler cooling circuit temperature

The Dresser-Rand Guascor? Miller cycle, high-efficiency, HGM engine series ranges from 520 to 1240 kWb. This series represents a new concept in engine design with the advanced technology incorporated into the cylinder heads, valves, camshafts, and turbochargers. These components make this series of engines one of the most efficient, robust engines available for power generation and co- and tri-generation applications. ? Output range from 520 to 1350 kWb (1500 ? 1800 rpm) ? Powered by natural gas, biogas, landfill gas, and sewage gas ? Supplied as a stand-alone engine, genset, with cogeneration systems (CHP) skid separately, or in a fully assembled container unit (noise insulated if required) Features include ? ? Highest efficiency turbochargers ? Dry exhaust manifold ? Double step intercooler ? Oil cooler in main / auxiliary circuit ? 194?F (90?C) main cooling circuit temperature ? 131 / 104?F (55 / 40?C) intercooler cooling circuit temperature