The Nautilus Impact Standing Calf is a selectorized, commercial-grade machine designed to deliver powerful and controlled calf training with intuitive setup and smooth resistance. Engineered for durability and ease of use, this machine is ideal for high-traffic fitness facilities focused on efficient lower-leg development.

Gravity-assisted positioning helps users enter and exit the machine comfortably, while the adjustable seat features an “easy up” ratcheting mechanism for quick, precise height adjustments. The upright design ensures proper alignment throughout the movement, allowing users to focus on strong plantar flexion and consistent calf engagement.

Resistance is managed through Nautilus’ Lock N Load® system, which uses universally color-coded switches to engage and disengage weight internally—eliminating traditional selector pins for a safer, quieter, and lower-maintenance experience. A 5 lb incremental weight system allows for precise progression, making it easy for users of all levels to train effectively.

Condition: Remanufactured

Specifications & Features

• Selectorized standing calf raise machine

• Gravity-assisted positioning for easy entry and exit

• Adjustable seat with easy-up ratcheting adjustment

• Lock N Load® selectorized resistance system with internal pin engagement

• 5 lb incremental weight system for precise load progression

• Smooth, controlled resistance for consistent calf activation

• Stack weight: 260 lbs

• Dimensions (L × W × H): 41" × 49" × 62"

• Machine weight: 635 lbs