Engines

April 1, 2005
Robin Subaru The EH41 OHV (overhead valve) slant cylinder four-cycle engine from Robin Subaru is designed for a variety of construction, agricultural

Robin Subaru

The EH41 OHV (overhead valve) slant cylinder four-cycle engine from Robin Subaru is designed for a variety of construction, agricultural and recreational equipment such as air compressors, pumps and pressure washers. The engine offers a maximum power output of 13.5 hp and meets EPA Phase 2 and CARB Tier II requirements. To ensure durability and life, the EH41 is built with an aluminum alloy block, a cast-iron cylinder liner and a forged steel crankshaft with dual ball-bearing support. A splash-type lubrication system and a large-capacity air cleaner with dual elements further protect the engine and provide enhanced reliability.
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Komatsu Zenoah

Komatsu Zenoah's Strato-Charged two-cycle engine powers many RedMax products and meets California's CARB II and U.S. EPA Phase 2 emission standards without a catalytic converter. Fresh air is introduced into the engine's combustion chamber between the exhaust gases and the fresh charge of air/fuel mix. This improves the exhaust system's scavenging effect and reduces the amount of unburned fuel that exits through the exhaust port. Besides reducing emissions, the Strato-Charged engine operates more efficiently, resulting in a 30-percent fuel savings over conventional RedMax engines. No catalytic converter means less engine compartment heat, and less heat translates to longer engine life and greater reliability.
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Perkins

Perkins' 400 Series family of compact engines meets all the requirements of U.S. EPA Tier II and European EC Stage II off-highway emissions legislations (pictured 404C-22T). Perkins has concentrated on improving functionality, such as increased power and torque combined with low noise and optimal cooling packages. The 404C-15 engine is light, compact and quiet-running. It is targeted to meet the needs of the compact construction, light agricultural, and lawn and garden equipment sectors. To drive down installation and running costs, standard oil and filter changes are at 500 hours.
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Briggs & Stratton

Briggs & Stratton offers its line of Vanguard V-Twin Big Block air-cooled and liquid-cooled commercial engines in the 25- to 35-hp range. The air-cooled engines feature an advanced debris management system that is incorporated into the engine's air-cooling system and allows the engine to run cooler and cleaner, while enhancing durability and performance. The liquid-cooled engines have high-capacity liquid cooling that allows engines to run cooler and longer while giving high levels of performance and durability. Both engines contain V-Twin/OHV technology, which reduces component and equipment wear and tear while providing superior balance and low vibration.
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Kohler Engines

The Kohler Command PRO CS horizontal shaft engines are available in 4, 6, 8.5, 10, 12 and 12.75 hp. By incorporating an advanced overhead valve, slant-cylinder design, the engines are sized to fit compact installations such as pressure washers, concrete saws, compressors, pumps and mixers. Each model is designed with large displacements and a high-inertia flywheel to provide peak torque performance. An integrated exhaust system and oversized mufflers enable smooth, quiet operation. A 6-liter steel fuel tank offers extended run times.
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American Honda

American Honda's 6-hp GS190 horizontal shaft and GSV190 6.5-hp vertical shaft models are designed to serve both residential and light-duty commercial markets. Intended for use on applications such as pumps, blowers, mowers and tillers, the engines are designed for the homeowner and contractor. The GS Series incorporate a cast-iron cylinder sleeve, and a redesigned piston with a three-piece oil control ring. The GSV190 features ball bearings on the flywheel side of the crankshaft, while the GS190 utilizes ball bearings at both ends of the crankshaft.
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Komatsu

Komatu's Tier III engines are designed to reduce nitrogen oxides and particulate matter emissions while improving efficiency. Improvements to the combustion chambers, when combined with the precision-controlled fuel and combustion event, enables the engines to have low emissions and reduced fuel consumption. Komatsu also applies the heavy-duty cooled exhaust gas recirculation (EGR) system, which further reduces emissions. The high-capacity heavy-duty twin-valve cooled EGR system includes intake air bypass for high-load and wider speed usage, precision electronic-controlled hydraulic twin valves and an EGR cooler for operation in rough environments.
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Caterpillar

Caterpillar's new C6.6 industrial engine is the smallest of the company's ACERT Technology engines. It is rated from 119 to 250 hp, and maximum torque at 1,400 rpm is 728-foot/pounds. Compared to its predecessor, the 3056E, the ACERT Technology C6.6 has no increase in heat rejection to the coolant, maintains a 500-hour recommended service interval, and has the same package size and the same mounting points. The C6.6 also has increased fuel tolerance and will accept kerosene and jet A. Engine noise is further reduced through the use of a structural sump, a new engine block, and a new gear train.
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Cummins

Cummins' QSB engines are rated from 110 to 275 hp and are designed to meet the requirements of applications such as excavators, material handling equipment and cranes. The Tier III QSB engines feature a full authority electronic control, high-pressure common-rail fuel system capable of generating up to 1,600 bar injection pressures, which translate to refined and rapid power delivery, reduced noise, and improved cold start. The QSB engines are available in both four- and six-cylinder platforms.
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