StairMaster 4 Series 4G Compact StepMill w/ 16" Touch, APEX G2 - New for 2026

The StairMaster 4G features a 15" Embedded OpenHub console, a safety-stop sensor, and a redesigned handrail system that supports multiple climbing positions. Integrated speed and stop controls help create a more convenient user experience.

The service panel is secured with four fasteners and can be removed for convenient access to the drivetrain and electronics.

Features

• Redesigned handrails with integrated speed controls, stop button, and contact heart-rate grips
• Telemetry and contact heart-rate monitoring
• Personal cooling fans for a more comfortable workout
• Bottle holder and accessory rack for personal devices
• Safety-stop sensor for added user protection
• Removable service panel for convenient maintenance access

Device Connectivity

The 15" Embedded OpenHub console connects directly with Apple Watch and Samsung Galaxy Watch devices for real-time data sharing between the equipment and the user's watch. NFC technology allows users to pair compatible devices with a simple tap, making workout-data tracking easier.

Benefits of Using an Indoor Stair Climber

With numerous cardiovascular benefits, a stair climber can be an excellent addition to almost any workout routine. Users can choose between a relaxed, steady-paced session and a challenging, high-intensity workout.

• Provides a high-cardio, low-impact workout that burns calories
• Supports a wide range of motion and joint flexibility
• Improves core stability
• Improves coordination and balance
• Targets multiple muscle groups throughout the lower body

See more benefits of using a StairMaster.

Muscles Targeted

• Gluteals
• Hip flexors
• Iliopsoas
• Iliotibial band
• Piriformis
• Tensor fasciae latae
• Trunk-stabilizing muscles

15" Embedded Touchscreen Console

The 15" embedded touchscreen gives the StairMaster cardio line a premium look and user experience. Its updated interface includes HDMI streaming, Bluetooth connectivity, global television-tuner options, and other entertainment and workout features.

• Allows step-rate adjustments in single-SPM increments
• Global television-tuner options
• Set-top-box-ready display for IPTV, satellite, and other compatible A/V systems
• Bluetooth connectivity for workout-data tracking
• USB charging port
• HDMI streaming from a personal device; HDMI cable not included
• Multiple workout programs
• Landmark Challenge program featuring famous landmarks such as the Eiffel Tower, Statue of Liberty, and Taj Mahal
• StairMaster 20 HIIT program designed by world-record holder, Olympic Trials qualifier, and master trainer Sonja Friend-Uhl
• RunTV access to virtual environments, fitness videos, feature films, and more
• Pre-wired for the ECOFIT asset-management solution

Frame

• Material: Powder-coated steel frame
• Standard Color: Matte Black (-60)
• Product Weight: 348 lbs. (158 kg)
• Shipping Dimensions: 49" x 30" x 43" (125 x 76 x 109 cm)

Specifications

• Length: 54" (137 cm)
• Width: 29" (74 cm)
• Height: 64" (163 cm)
• Step Surface: 10" x 18" (25 x 46 cm)
• Step Height: 6" (15.25 cm)
• Step Rate: 20 levels ranging from 24 to 162 steps per minute
• Step-Up Height: 14" (36 cm) to the first flat step
• Recommended Ceiling Height: 8 ft. (244 cm)
• Maximum User Weight: 350 lbs. (159 kg)
• Shipping Weight: 434 lbs. (197 kg)
• Drive System: Generator
• Electrical Requirements: 12 V, 5 amp power supply

Warranty

Light Commercial Use

• Limited 10-year warranty on the structural frame, excluding coatings
• All other components: 5 years on parts and 2 years on labor

Consumer Use

• Limited 10-year warranty on the structural frame, excluding coatings
• Motor and motor-control board: 5 years on parts and labor
• All other components: 10 years on parts and 3 years on labor

Assembly

The following tools are required to assemble your new StairMaster 4G:

• 6 mm Allen key
• 13 mm socket
• Ratchet wrench
• 13 mm open-ended wrench
• #2 Phillips-head screwdriver

Installation Assistance

For a list of local installers or to request white-glove delivery, please contact your sales representative or email status@totalbodyexperts.com for a quote.

If you have already received your equipment and need help assembling your new unit, please contact service@totalbodyexperts.com.