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Farm Machinery
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High horse power four cylinders can’t sustainably do the same job as a larger six pot of similar HP. Tell me I’m wrong
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<blockquote data-quote="Wellytrack" data-source="post: 7478018" data-attributes="member: 13092"><p>Fuel use per KW between 6 and 4 is largely similar. By checking some DLG data a 4cylinder Perkins 6470 in comparison burned just under 10% less fuel per KW as the 6 cylinder 6475. </p><p></p><p>In saying that it’s also just 2/3’s of a 6 cylinder engine that’s overcoming the friction of having to push pistons and at idle speeds/low revs will burn less fuel. </p><p></p><p>Personally I’m amazed at the guts in modern 4 Turbos, particularly the Sisu ones. They just don’t know when to give up.</p></blockquote><p></p>
[QUOTE="Wellytrack, post: 7478018, member: 13092"] Fuel use per KW between 6 and 4 is largely similar. By checking some DLG data a 4cylinder Perkins 6470 in comparison burned just under 10% less fuel per KW as the 6 cylinder 6475. In saying that it’s also just 2/3’s of a 6 cylinder engine that’s overcoming the friction of having to push pistons and at idle speeds/low revs will burn less fuel. Personally I’m amazed at the guts in modern 4 Turbos, particularly the Sisu ones. They just don’t know when to give up. [/QUOTE]
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High horse power four cylinders can’t sustainably do the same job as a larger six pot of similar HP. Tell me I’m wrong
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