NAUTILUS IMPACT BICEPS CURL MACHINE 9NA-S5301-60AGS

The Nautilus Impact® Biceps Curl Machine is a commercial selectorized strength unit designed to deliver consistent, controlled arm training using refined Nautilus biomechanics. Part of the Impact® Strength line, this machine represents the progression of a platform trusted by fitness facilities for durability, precision, and user-friendly design.

Built around features exercisers consistently value, the Impact® Biceps Curl incorporates pre-stretch positioning, assisted start mechanics, and a guided, fixed movement path that helps maintain proper alignment throughout the curl. These elements allow users to focus on muscle engagement while reducing strain during setup and execution.

The selectorized weight system supports smooth, incremental progression, making the machine accessible to beginners while still effective for advanced users. Combined with ergonomic pads, intuitive adjustments, and a heavy-duty frame, the Nautilus Impact® Biceps Curl Machine is well suited for high-traffic gyms, training centers, and rehabilitation-focused environments.

Optimized Features

Core Features

• Brand: Nautilus

• Selectorized Resistance System: Simple, fast weight changes for efficient workouts

• Fine Load Progression: 5 lb incremental plates for controlled strength gains

• Seat Adjustment: Ratcheting mechanism for quick, secure positioning

• Assisted Setup: Gravity-assisted design supports easy entry and exit

• Secure Weight Selection: Patented Lock N Load® system ensures stable, safe loading

Adjustments & Movement Design

• Movement Path: Fixed range of motion for consistent, repeatable curls

• Adjustment Assistance: Gravity-assisted positioning with adjustable seat and “easy-up” ratcheting system (SKU dependent)

• Visual Setup Aids: Color-coded pivot points and adjustment markers on all units

• Training Options: Supports unilateral or bilateral arm training depending on configuration

• Motion Pattern: Converging or diverging arm paths based on unit design

• Pulley Ratio: 1.1 for smooth, controlled resistance delivery

Frame & Construction

• Standard Frame Color: Black

• Standard Upholstery Color: Black

• Frame Finish: Electrostatic powder-coated steel for durability and corrosion resistance

• Customization Options: Paint, upholstery, and branding available with additional cost and extended lead times

• Drive System: Cable- or belt-driven transmission depending on SKU

• Mounting: Predefined bolt-down locations

• Leveling: Rubber feet for floor protection (no integrated leveling system)

• Hardware: Hex and button-head fasteners

• Tubing Design: Modern combination of round and square tubing, primarily 3 mm or 2.5 mm (11-gauge) steel

• Overall Height Profile: Varies by unit, typically around 60 inches

User-Focused Details

• Instructional Placards: Static, easy-to-read exercise guides included

• Multi-Language Placards: Available as an option

• Animated Displays: Not included

• Safety Stops: Integrated safety catches and stops on select SKUs

• Accessory Storage: No water bottle or phone holder

• Grip Design: Durable rubber grips, larger for pressing and smaller for pulling actions

• Foot Platform: Configuration dependent

• Padding: Contoured back pads on select models

• Restraint System: Not included

Technical Specifications

Machine Type
Selectorized Biceps Curl

Dimensions (L x W x H)
58 in x 46 in x 60 in
(147 cm x 117 cm x 152 cm)

Overall Machine Weight
545 lb (247 kg)

Weight Stack

• Stack Weight: 180 lb (90 kg)

• Increment System: 5 lb plates for precise progression