500 RPM High Torque Gearhead Motor - 3 to 12 V DC - 6mm D Shaft - M3 Mount

Low Rpm High Torque 12V Motor — Merkle Korff — Made In USA

2 X 500 RPM High Torque Gearhead Motor - 3 to 12 V DC - 6mm D Shaft - M3 Mount

Buehler 12V 160 RPM - Heavy Duty Gearhead DC Hobby Motor - High Torque Output

2 X 500 RPM Hobby Project 12 VDC Gearhead Motor - High Torque - 6mm D-Type Shaft

6-12V Mini DC Motor High Torque Gear for R/C Power Wheels DIY Electric Drill

85 RPM Heavy Duty 12 V DC Gearhead Motor - 1500 g-cm Torque - Short Shaft

12 V - 1750 RPM - Slow Speed Electric DC Motor w/ Cable + Connector - High TQ