See also Allison

	Models
250 >    RR250-C20B	420	md500e , MD500E
250 >    RR300 (250-C300/A1)	300	r66 , police
CTS800	1361	rah-66
T800-LHT-801	1800	x2
CTS800-4A	1362	t129 , t625
CTS800-4K	1362
CTS800-4N	1362	aw159 , ah.1 , hma.2 , ah.9a
Gem
Gem 100	900	has.2
Gem 2-1004D	815	a129
Gem 200	920	hma.8
Gem 41		wg.30 , 30-100-60 , ah7
Gem 42	1000	has.3
Gem 42-1	1120	mk88
Gnome		Sea King
Gnome H1000	1050	har10
Gnome H1200	1250	ab204b , hu.5 , mk.60
Gnome H1400	1400	mk50
Gnome H1400-1	1660	hc.4+ , Commando , aew.2 , har.3 , har.3a , has.2 , has.2a , hu.5 , mk41
Gnome 103	720	har9
Gnome 112/113	1200
Hybrid Propulsion
Merlin 24	1645	Air Horse
Nimbus	1050
Nimbus 102	685	Scout , ah.1
Nimbus 503	710	Wasp
RTM322	2200	hm.1 , X3 , mrh90 , NH90 , wah-64
T406 / AE 1107C-Liberty	6150	cmv-22b , cv-22b , mv-22b