The 37mm gearmotors are widely used on Intelligent robots,intelligent manipulators, intelligent furnitures, Intelligent focusing systems etc. Those are incredibly tough and feature full metal gears. Have gear ratio 6.3:1 to 810:1,1600rpm~12rpm, stall torque2~140Kg.cm
Type: MG37D-240076-131
Features:
Voltage: 12-24 V
Gear Ratio:131:1
Stall Torque: 30.8Kg.cm (24V)
Stall Current: 3A (24V)
No load Speed: 76rpm (24V)
No Load Current: 80mA (24V)
Rated torque: 7.7Kg.cm (24V)
Rated Speed: 59rpm (24V)
Rated Current: 0.63A (24V)
Size: 37*80(gearhead length 22mm)
(data sheet download @24V 76rpm 131:1 motor)