An aerial ladder positions firefighters at height, at night, in wind. The turntable drive must move smoothly under command and hold immovably the instant input stops — there is no tolerance for drift.

Motor roles in this machine

• ZCM3 — turntable slew drive: Motor, planetary reduction, and spring-applied brake in one sealed unit — the brake engages mechanically whenever pressure drops. ZCM reference →
• Fine positioning: Smooth low-speed rotation places the ladder tip exactly at the window line, without overshoot or bounce.

For sizing details or datasheets, contact our engineers.