The ACP-G spur gear boxes are tailored to mate with the ACP-M AC Induction Gear Motors. They offer smooth and quiet operation that far exceeds our competitor's standards. We offer a wide range of gear ratios to fulfill your project needs. Reduction ratios from 3.6 to 1800:1. The ACP-G gearheads have gone through rigorous testing to ensure long life and maximum efficiency. These gearboxes are a cost-effective solution, and are a perfect match for your motion control or automation needs.