StairMaster 4G Series Stairmill

StairMaster 4 Series Gauntlet – Compact Power, Big Performance

The StairMaster 4G is a powerful, space-saving cardio solution designed for smaller fitness environments without compromising the performance expected from the StairMaster name. Perfect for home gyms, boutique studios, hotels, and multi-housing fitness areas, the 4G delivers intense, calorie-burning, low-impact workouts in a compact footprint.

With a total footprint of just 137cm x 74cm (54″ x 29″) and a ceiling clearance requirement of only 244cm (8ft), the 4G brings commercial-grade stair training into spaces where the 8Gx and 10G can’t go. Engineered for both beginners and advanced users, it features 20 resistance levels, step rates from 24 to 162 steps per minute, and ergonomically sized steps for a smoother, more comfortable experience.

Key Features:

• Compact Footprint: Fits tight spaces with a 137cm x 74cm footprint and only 244cm (8ft) ceiling height needed

• Low Step-Up Height: 36cm (14″) to the first flat step for safer, easier access

• Wide Step Surface: 25cm x 46cm (10” x 18”) steps with 18cm (7”) step height

• Integrated Handrail Controls: Built-in stop button, speed adjustments and heart rate grips for seamless operation

• Step Rate Performance: 20 resistance levels ranging from 24 to 162 steps per minute

• Console Options: Choose between 10” LCD, 15” Touchscreen OpenHub™ display

• Smart Connectivity: Bluetooth-enabled data tracking, telemetry heart rate monitoring, and BLE compatibility (15” model)

• Entertainment Ready: HDMI streaming available with 15” console and PVS compatibility

• User Experience: Personal cooling fans, accessory holders, and the Landmark Challenge program

• Durable Construction: Powder-coated steel frame built for demanding use

• Easy Maintenance: Quick-access service panel removes with four fasteners for efficient upkeep

• Customisable Finish: Paint colour options available upon approval (standard: Matte Black)

Specifications:

• Length: 137cm / 54in

• Width: 74cm / 29in

• Height: 163cm / 64in

• Step Surface: 25cm x 46cm (10” x 18”)

• Step Height: 18cm / 7in

• Step-Up Height: 36cm / 14in to first flat step

• Step Rate: 24–162 steps per minute across 20 levels

• Max User Weight: 159kg / 350lb

• Product Weight: 158kg / 348lb

• Shipping Weight: 197kg / 434lb

• Shipping Dimensions: 125cm x 76cm x 109cm (49” x 30” x 43”)

• Recommended Ceiling Height: 244cm / 8ft

• Drive System: Generator-based

• Power Supply: 12V / 5 Amp

• Heart Rate Monitoring: Contact grips and telemetry; Bluetooth with embedded display

• Additional Features: Landmark Challenge, USB charging, cooling fans, accessory storage

Warranty:

Light Commercial Use:

• 10-year frame warranty (excluding coatings)

• 5 years parts

• 1 year on wear items