Pololu - 150:1 Metal Gearmotor 37Dx73L mm 12V with 64 CPR Encoder

Pololu 1104 - 50:1 Metal Gearmotor 37Dx54L mm - Kamami on-line store

Pololu - 19:1 Metal Gearmotor 37Dx68L mm 24V with 64 CPR Encoder

This gearmotor is a powerful 12V brushed DC motor with a 131.25:1 metal gearbox and an integrated quadrature encoder that provides a resolution of 64

131:1 Metal Gearmotor 37Dx73L mm 12V with 64 CPR Encoder (Helical Pinion)

131:1 Metal Gearmotor 37Dx73L mm 24V with 64 CPR Encoder (Helical

Pololu - 6.3:1 Metal Gearmotor 37Dx65L mm 12V with 64 CPR Encoder

6.3:1 Metal Gearmotor 37Dx65L mm 24V with 64 CPR Botland - Robotic

This gearmotor is a powerful 12V brushed DC motor with a 150:1 metal gearbox and an integrated quadrature encoder that provides a resolution of 64

150:1 Metal Gearmotor 37Dx73L mm 12V with 64 CPR Encoder (Helical Pinion)

This gearmotor is a powerful 12V brushed DC motor with a 70:1 metal gearbox and an integrated quadrature encoder that provides a resolution of 64

Pololu - 70:1 Metal Gearmotor 37Dx70L mm 12V with 64 CPR Encoder (Helical Pinion)

6.3:1 Metal Gearmotor 37Dx65L mm 24V with 64 CPR Botland - Robotic

Pololu 24V Motor w/ 64 CPR Encoder for 37D Gearmotors No Gearbox

Pololu - 6.3:1 Metal Gearmotor 37Dx65L mm 12V with 64 CPR Encoder

131:1 Metal Gearmotor 24V 37Dx73L 79 RPM with 64 Botland - Robotic

This gearmotor is a powerful brushed DC motor with 150:1 metal gearbox intended for operation at 12 V. The gearbox is composed mainly of spur gears,

150:1 Metal Gearmotor 37Dx57L mm 12V (Helical Pinion)

Note: This gearmotor has been replaced by a functionally identical version with a protective end cap over the encoder.This gearmotor is a powerful 12V

70:1 Metal Gearmotor 37Dx54L mm 12V with 64 CPR Encoder (No End Cap)

This gearmotor is a powerful 12V brushed DC motor with a 150:1 metal gearbox and an integrated quadrature encoder that provides a resolution of 64

150:1 Metal Gearmotor 37Dx73L mm 12V with 64 CPR Encoder (Helical Pinion)