Dayton DC Electric Gear Motors
Small Gearmotor Online Shop
12V Metal DC Gearmotor w/Encoder (90:1, 122RPM, 38Kg.cm) - DFRobot
12V 30rpm Reversible High Torque Worm Gear DC Motor - RobotShop
12V DC Gearmotor 1024GA30 Thread Flip N30 Gear Motor
3V 6V N20, N30, 370 Series DC Gear Motor With Encoder
3V 6V N20, N30, 370 Series DC Gear Motor With Encoder
Pololu - 30:1 Metal Gearmotor 37Dx68L mm 12V with 64 CPR Encoder (Spur Pinion)
Mini Alloy Steel N30 Geared Motor DC 12V - 200rpm Micro Gear Motor (12V - 200rpm) : Industrial & Scientific
High Torque, Low Speed JGY12-N20 Motor With Gearbox
DC 12V Gear Motor, 1024GA20 Thread Flip N20 Gear Motor M4 x 55mm Shaft(12V 100RPM)