172:1 Gearmotor 25Dx56L mm HP 6V w/ 48 CPR Encoder

This gearmotor consists of a high-power, 6 V brushed DC motor combined with a 171.79:1 metal spur gearbox, and it has an integrated 48 CPR quadrature encoder on the motor shaft, which provides 8245.81 counts per revolution of the gearbox?s output shaft. The gearmotor is cylindrical, with a diameter just under 25 mm, and the D-shaped output shaft is 4 mm in diameter and extends 12.5 mm from the face plate of the gearbox.

Key specs at 6 V: 56 RPM and 550 mA free-run, 25 kg-cm and 6.5 A stall.

Specifications:

• Size: 25D x 68L mm
• Weight: 106 g
• Shaft diameter: 4 mm
• Gear ratio: 171.79:1
• No-load speed at 6 V: 56 rpm
• No-load current at 6 V: 550 mA
• Stall current at 6 V: 6500 mA
• Stall torque at 6 V: 25 kg-cm
• Lead length: 20.32 cm
• Motor type: 6.5 A stall at 6 V (HP 6 V)
• Encoders: Yes