EMD 567 - Versions

Versions

Engine model Max RPM Aspiration Dates built Compression
ratio		 Horsepower/Kilowatt Notes
6 cyl. 8 cyl. 12 cyl. 16 cyl.
567 800 Roots blown 9/38-3/43 16:1 600/447 1,000/746 1,350/1,007 "U" Deck or "V" Deck versions were built
567A 800 Roots blown 5/43-9/53 16:1 600/447 1,000/746,
1,200/895		 1,350/1,007
567B 800 Roots blown 7/45-3/54 16:1 600/447 800/597 1,000/746,
1,125/839,
1,200/895		 1,350/1,007,
1,500/1,119,
1,600/1,193
567C 800, 835 Roots blown 3/53-2/66 16:1 600/447 900/671 1,125/839,
1,200/895		 1,500/1,119,
1,750/1,305
567AC 800 Roots blown 8/53-6/61 16:1 600/447 1,000/746 Rebuild of 567A block to use 567C power assemblies
567BC 800 Roots blown 9/53-10/63 16:1 1,125/839,
1,200/895		 1,500/1,119 Rebuild of 567B block to use 567C power assemblies
567CR 835 Roots blown 10/56-11/65 16:1 900/671 Reverse rotation
567D1 835 Roots blown 12/59-11/65 20:1 1,325/988 1,800/1,342
567D2 835 Turbocharged 11/59-4/62 14.5:1 2,000/1,491 De-turbo-ed versions using 645 power assemblies, but still rated 2,000 hp/1,491 kW are quite common
567D3 835 Turbocharged 7/58-11/63 14.5:1 2,250/1,678,
2,400/1,790		 De-turbo-ed versions using 645 power assemblies, but re-rated 2,000 hp/1,491 kW are very rare
567D3A 900 Turbocharged 7/63-1/66 14.5:1 2,500/1,864 De-turbo-ed versions using 645 power assemblies, but re-rated 2,000 hp/1,491 kW are somewhat common
567E 835 Roots blown 2/66-4/66 16:1 1,200/895 2,000/1,491
 645E block with 567C power assemblies

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