Park brake systems comprising a motor shaft coupled to a brake drum, wherein the brake drum comprises a first groove and a second groove, wherein the brake drum is mounted to the motor shaft so as to rotate with the motor shaft, a first belt at least partially disposed in the first groove and about a first pivot linkage, a second belt at least partially disposed in the second groove and about a second pivot linkage, a first actuator piston coupled to an actuator and the first pivot linkage, a second actuator piston coupled to the actuator and the second pivot linkage, and a pivot base coupled to the first pivot linkage and the second pivot linkage are disclosed. Methods are also disclosed.