Description

StairMaster 4G StepMill

The StairMaster 4G StepMill is the answer for facilities that want to offer high-intensity stair climbing without the size and ceiling demands of traditional stepmills. Designed to fit into more training spaces, including boutique studios, multi-housing gyms, and hospitality fitness centers, the 4G brings the legendary StairMaster calorie-burning workout into a smaller, smarter footprint.

With a height clearance requirement of just 8 feet, a footprint of 54" x 29", and multiple OpenHub™ console options, the 4G delivers a powerful stair workout in a user-friendly, space-efficient design. It features a newly redesigned handrail system with integrated speed controls, a 14" step-up height, and Bluetooth and Apple Watch/Samsung Galaxy Watch connectivity, making it a truly modern cardio solution.


Key Features

  • Compact & Ceiling-Friendly
    At just 64” high, the 4G fits under 8-foot ceilings—ideal for small fitness rooms, studios, or home gyms.

  • Redesigned Handrails
    Ergonomic side rails feature integrated speed controls, stop button, and heart rate sensors for seamless mid-workout adjustments.

  • Real Stair Climbing Mechanics
    With 20 resistance levels, a step height of 6”, and a step rate up to 162 SPM, the 4G delivers a true stair-climbing experience that’s low-impact but high-output.

  • Performance-Driven Console Options
    Choose from:

    • 10" LCD OpenHub Console (pre-wired for 8 Series PVS entertainment and receivers)

    • 10" Touchscreen Console

    • 15" Embedded Touchscreen Console with RunTV, HDMI streaming, and full Bluetooth/Apple Watch/Galaxy Watch connectivity

  • Tech-Integrated Training
    Tap-to-pair with Apple Watch® or Samsung Galaxy Watch® for real-time data tracking via NFC

    • USB charging port

    • HDMI input for screen mirroring (15")

    • Bluetooth & telemetry heart rate compatibility

  • Comfort & Convenience

    • Personal cooling fans

    • Bottle holder + accessory tray

    • 14” step-up height to first step for easier access

    • Powder-coated steel frame for long-term durability

  • Easy Maintenance
    Service panel removes with four fasteners, allowing fast access to drivetrain and electronics.

Ideal For

  • Multi-housing fitness centers with ceiling height restrictions

  • Hotel and boutique gyms seeking high-efficiency equipment

  • Home gyms with limited space

  • Trainers and users who want true stair climbing with modern connectivity


The StairMaster 4G StepMill proves that small spaces don’t mean small performance. Bring high-intensity stair training into any facility, with power, durability, and digital integration built for today’s fitness experience.

Specifications
Specifications data
Feature Details
Footprint (L x W) 54” x 29” (137 x 74 cm)
Height 64” (163 cm)
Recommended Ceiling 8’ (244 cm)
Step Height 6” (15 cm)
Step-Up Height 14” (36 cm) to first step
Step Surface 10” x 18” (25 x 46 cm)
Step Rate 24–162 SPM (20 resistance levels)
Max User Weight 350 lbs (159 kg)
Product Weight 348 lbs (158 kg)
Frame Powder-coated steel
Power Requirements Plug-in (all major voltages)
Warranty Information
Warranty information
StairMaster 4G StepMill
FAQs
Frequently asked question

Is the StairMaster 4G StepMill worth buying for a small commercial gym or boutique studio?

Absolutely. The 4G StepMill is specifically engineered for smaller commercial spaces, requiring only an 8-foot ceiling clearance and a compact 54" x 29" footprint. It delivers the same legendary StairMaster calorie-burning performance found in larger facilities. If you need a high-intensity stair climbing experience without sacrificing valuable floor space, the 4G is a smart, durable investment for boutique studios, hospitality gyms, and multi-housing fitness centers.

What warranty comes with the StairMaster 4G StepMill and what is the return policy?

Warranty terms for the StairMaster 4G StepMill vary by retailer and intended use, so we recommend confirming specifics at checkout or contacting our support team directly. StairMaster is known for backing their commercial-grade equipment with strong manufacturer warranties covering parts and labor. Review our store's return policy page for full details on eligibility, timeframes, and any restocking considerations before purchasing.

What is the ceiling height requirement for the StairMaster 4G StepMill?

The StairMaster 4G StepMill requires a minimum ceiling clearance of 8 feet. This is notably lower than traditional stepmills, which often need 9 to 10 feet or more. This reduced height requirement makes the 4G ideal for facilities with standard ceiling heights, including basement gyms, boutique studios, and hotel fitness centers that might otherwise be unable to accommodate a stepmill machine.

How does the StairMaster 4G StepMill differ from a standard stair stepper?

Unlike basic stair steppers that use pedals mimicking a stepping motion, the StairMaster 4G StepMill features continuously rotating stairs, delivering a more authentic stair-climbing experience. This engages the glutes, hamstrings, calves, and core more effectively and burns significantly more calories. It's a true stepmill in a compact form factor, bridging the gap between full-sized commercial stepmills and smaller residential step machines.

What type of users is the StairMaster 4G StepMill best suited for?

The 4G StepMill is ideal for intermediate to advanced exercisers seeking high-intensity cardiovascular and lower-body conditioning. It's especially popular in commercial settings like boutique fitness studios, multi-housing gyms, and hospitality fitness centers. Athletes, weight-loss focused users, and anyone wanting an effective low-impact alternative to running will benefit. Its compact design makes it accessible without compromising on the intensity of a full commercial stair climbing workout.

How many calories can you burn on the StairMaster 4G StepMill?

Calorie burn on the StairMaster 4G StepMill depends on your weight, workout intensity, and duration, but stair climbing is consistently ranked among the highest calorie-burning cardio activities available. Users can typically burn between 300 and 600 calories per hour. The machine's high-intensity nature engages large muscle groups simultaneously, elevating heart rate quickly and making it an exceptionally efficient tool for fat loss and cardiovascular conditioning.

{"statementLink":"","footerHtml":"","hideMobile":false,"hideTrigger":false,"disableBgProcess":false,"language":"en","position":"left","leadColor":"#146ff8","triggerColor":"#146ff8","triggerRadius":"50%","triggerPositionX":"right","triggerPositionY":"bottom","triggerIcon":"people","triggerSize":"medium","triggerOffsetX":20,"triggerOffsetY":20,"mobile":{"triggerSize":"small","triggerPositionX":"right","triggerPositionY":"bottom","triggerOffsetX":10,"triggerOffsetY":10,"triggerRadius":"50%"}}
false