A multiple speed transmission includes an input and output; a first,
second, third and fourth planetary gear sets, each gear set including a
sun gear, a ring gear, a carrier, and pinions supported on the carrier
and meshing with the sun gear and the ring gear; a first epicyclic
gearing assembly including the first gear set, the second gear set, a
first clutch, a first brake, a second brake, and first, second, third and
fourth rotating members, said first clutch being operable to couple said
first rotating member to the input, said first brake being operable to
hold said fourth rotating member against rotation, and said second brake
being operable to hold said second rotating member against rotation; and
a second epicyclic gearing assembly including the third gear set, the
fourth gear set, a second clutch, a third clutch, a third brake, and
fifth, sixth, seventh and eighth rotating members, the third rotating
member being secured to the eighth rotating member, said second control
clutch being operable to couple said fifth rotating member to the input,
said second control clutch being operable to couple said seventh rotating
member to the input, said third brake being operable to hold the seventh
rotating member against rotation, and said sixth rotating member being
secured for rotation to the output.