TM 5-3805-260-24FINAL DRIVE AND WHEELSFINAL DRIVE1.Brake disc. 4.Carrier. 7.Sun gear.2.Wheel assembly.5. Spindle.8. Final drive hub.3.Ring gear. 6.Axle. 9.Planet gears.The final drive is a planetary gear system. Axle (6) isconnected to the differential at one end and to the sungear (7) at the other end with splines. The ring gear (3)of the planetary system is connected to the hub (8) withsplines. The hub is connected to the spindle (5) withsplines. The spindle is fastened to the axle housing.When axle (6) is turned by the differential, the sungear (7) turns the planet gears (9). Because the ringgear (3) is held by the axle housing, the planet gears (9)(turned by the sun gear) make the carrier (4) turn at aslower speed than the sun gear (7). The carrier (4) isconnected to the wheel assembly (2) and the rimassembly and the power is sent to the ground.2-98
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