Gearbox 4 x 2 x 4 [Worm / 24Tooth] Dark Gray Centre
Technic Gearbox 3 x 3 x 1.667 Corner (Complete)
Motor PullBack 2 x 6 x 1.667 Type 2 [Fast] Black Base/White Axle
Pullback Motor 9 x 4 x 2 2/3
Pullback Motor 6 x 3 x 5
Pullback Motor 9 x 4 x 2 1/3 with Black Base, White Axle Holes, No Studs on Front Top Surface
Pullback Motor Old
Windup Motor 2 x 6 x 2 1/3 with Raised Shaft Base - Long Axle
Pullback Motor 8 x 4 x 2/3
Windup Motor 2 x 6 x 2 1/3 Undetermined Shaft Base Type / Axle Length (Sports)
Flywheel Inertia Motor 9 x 4 x 3 2/3
Light Gray Pullback Motor 6 x 2 x 1 1/3 with Black Base, White Shafts (Motor 1)
Gearbox 3 x 4 x 1 2/3 with Dark Gray Base
Projectile Launcher 4 x 2 x 1 with Bottom Axle
Windup Motor 4 x 4 x 3 1/3 [4093]
Pullback Motor 9 x 4 x 2 1/3 with Dark Gray Base, White Axle Holes, Studs on Front Top Surface
Pullback Motor 9 x 4 x 2 1/3 with Black Base, White Axle Holes, Studs on Front Top Surface
Windup Motor 2 x 4 x 2 1/3 with Orange Release Button
Technic Gear Reduction Block 20x, 3 x 4 x 2 1/3
Pullback Motor 7 x 5 x 3
Motor Wind-Up 2 x 6 x 2 & 1/3 with Short TrLuWhite Axle basketball, football, soccer
Pullback Motor 10 x 5 x 4 Motorcycle [Motor 8]