Atlas-Imperial

Engines by Size & Specification

Model #	Bore & Stroke	Cylinders	HP	RPM	Current Use	Manual
2EM253	4 1/2 x 6 1/2	2
3EM253 3EN253	61/4 x 81/4	2
2AM115 2AS115	61/4 x 81/4	3
4EM253 4EN253	61/4 x 81/4	4
6EM253 6EN253	61/4 x 81/4	6
2HM282 2HS282	61/2 x 81/2	2	30	600	collector Dave Mihollard
3HS282 3HM282	61/2 x 81/2	3	45	600	collector Dave Mihollard tugboat Dunlin Long Island Antique Power Assoc. Northwest Marine Propulsion Museum
4HS282 4HM282	61/2 x 81/2	4	60	600	yacht Arro tugboat Buster collector Dave Milhollard collector Mark Utlut collector Spike Blaine Tuckahoe Steam & Gas Association
6HS282	61/2 x 81/2	6
4ES327 4EN327 4EM327	7 x 81/2	4
6ES327 6EN327 6EM327	7 x 81/2	6
3HS464 3HM464	71/2 x 101/2	3	75	400	Columbia River Maritime Museum collector Bob Helm
4HS464 4HM464	71/2 x 101/2	4				Antique Powerland
6HS464 6HM464	71/2 x 101/2	6	120	400	tugboat Bee tugboat Lorna Foss yacht Sobre Los Olas (port) yacht Sobre Los Olas (starboard) auxiliary schooner Tuhoe
4HS528 4HM528	8 x 101/2	4	85	450	collector Ron Brazell 1 collector Ron Brazell 2	display display
4EN668 4ES668	9 x 101/2	4
5EN668 5ES668	9 x 101/2	5
6EN668 6ES668	9 x 101/2	6			collector Joanne Knapik Hendrik Ido Ambacht junkyard crane Fairhaven Shipyard crane Pago Pago crane
3HS763 3HM763	9 x 12	3	75	325	collector Brady Fergusen Gig Harbor Historical Museum
4HS763 4HM763	9 x 12	4	110	325	collector Brady Fergusen tugboat Elmore tugboat Newt South Seattle Community College Waterfall Cannery Resort yacht Westward
6HS763 6HM763	9 x 12	6	160	325	yacht Arcturus tugboat Quail cannery tender Sultana
3HS1021 3HM1021	10 x 13	3	100	325	tugboat Kittie B Telegraph Cove Resort
4HS1021 4HM1021	10 x 13	4	135	325	collector Jim Walsh yacht Raven
6HS1021 6HM1021	10 x 13	6	200	325	tugboat Inverness PSATMA yacht Taconite (port) yacht Taconite (starboard)
3HS1125	101/2 x 13	3
4HS1125 4HM1125	101/2 x 13	4	155	350	tugboat Irene Waterfall Cannery Resort Waterfall Cannery Resort
6HM1125	101/2 x 13	6	225	350	tugboat Pacific Sunrise
3HS1558 3HM1558	111/2 x 15	3
6HS1558 6HM1558	111/2 x 15	6	275	260	tugboat Elise Ann Conners tugboat Palomar yacht Thea Foss (starboard) yacht Thea Foss (port) tugboat Urger Y.G. Everingham Bait Company yacht Yellowfin (starboard) yacht Yellowfin (port)
3HS2124 3HM2124	13 x 16	3
4HS2124 4HM2124	13 x 16	4
6HS2124 6HM2124	13 x 16	6	400	260	tugboat Alpo Big Swan Drainage Pump tugboat John Arthur tugboat Merikarhu tugboat Normandea tugboat Poitsila Purha St. (Finland) tugboat Ready yacht Songhee tugboat Tolvan collector Tom Mcwhorter
6HS2972 6HM2972	141/2 x 18	6
6HS3358 6HM3358	15 x 19	6	600	260	Florida Flywheelers Antique Engine Club research vessel Velero IV

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