Heavy-Duty Grandfather Clock Pendulum Drive Unit for Battery Power

This heavy-duty pendulum drive unit is perfect for converting a mechanical grandfather clock to battery power. It can drive smaller grandmother size pendulums up to large grandfather clocks. The unit runs on a D cell battery (alkaline recommended) and has pre-drilled mounting holes for easy installation. It requires a depth of about 2 1/4" and will drive a pendulum up to 42" in length and a 10 1/2" diameter bob. The battery holder mounts separately and measures 2 7/8" x 1 1/2" x 1" deep. It has a 1-year warranty.

Dimensions: 8 3/8" high x 3" wide x 2 1/8" deep. Pre-drilled mounting holes for mounting inside your clock case.

Requires a depth of about 2 1/4". This unit will drive a pendulum up to 42" in length and a 10 1/2" diameter bob.

Please note: This unit drives the pendulum only. For timekeeping and/or chimes, you will need to use a separate movement. Please contact us for recommendations.