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Engine
The latest Perkins® or SisuDiesel™ Tier II engines with Electronic Engine Management (EEM) give the 6400 Series increase torque across the speed range and more torque backup, all the way down to 1000 rpm.
Both are wastegate turbo-charged with air-to-air charge cooling. These engines are some of the quietest you've ever experienced-up to 3 decibels quieter than Tier I engines.
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The MF 6465, 6475, and 6480 models are powered by the Perkins 1106 Series 6-liter engines. In addition to the Fastram™ combustion system , these engines feature an improved ground timing gear for quieter operation and a new rear oil seal.
These are just a few of the features that have established Perkins as one of the world's leading engine manufacturers:
- Uni-flow cylinder head ports precondition intake air entering the combustion chamber for the greatest efficiency
- Water pump is driven by the engine timing gears, doing away with the need for separate belt drives
- An integral oil cooler design extends service intervals while eliminating the need for special radiators and extra hoses or fittings
The MF 6485, 6490, and 6495 models are equipped with the new SisuDiesel™ 6.6 liter engine, offering up to 20% more torque. Some of the features that have helped establish their record reliability include:
- Separately inserted wet cylinder sleeves to assure easy coolant circulation
- Dual cylinder heads for more room for pre-stressed head bolts to help prevent coolant or combustion leaks
- Cooling ribs on the cylinder sleeve' to give circulating coolant more surface contact for better heat transfer and longer engine life.
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