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Answering the call for a StepMill that can fit into more spaces and serve more users, StairMaster introduced the highly anticipated StairMaster 4G StepMill. As the newest addition to the StairMaster family, the StairMaster 4G delivers the same heart-pounding cardio workout and calorie burn through low-impact stair climbing.
Designed for hospitality, boutique fitness, and multifamily training centers, the 4G builds on the quality users have experienced with the StairMaster 10G and the StairMaster 8Gx. With a footprint of just 54" x 29" and a recommended ceiling height of only 8 feet, the 4G is the compact stair-climbing solution the fitness equipment market has been missing.
The StairMaster 4G is available with multiple OpenHub console options. Select your preferred console using the options near the Add to Cart button.
A straightforward console providing essential workout information and easy-to-use functionality.
A touchscreen console offering intuitive navigation and an engaging workout experience.
The advanced Apex G2 console featuring a larger 16" touchscreen for an enhanced workout experience.
The 4G also includes a safety-stop sensor and a redesigned handrail system that supports multiple climbing positions, with integrated speed and stop controls for a better user experience.
The service panel is secured with four fasteners and can be removed for convenient access to the drivetrain and electronics.


Choice of three console options: 10" LCD (Apex G1), 10" Touchscreen (Apex G1), or 16" Touchscreen (Apex G2)
Redesigned handrails with integrated speed controls, stop button, and contact heart-rate grips
20 resistance levels, ranging from 24–162 steps per minute
Telemetry and contact heart-rate monitoring
USB port for device charging and software updates
Bluetooth connectivity for workout-data tracking and app connectivity with the 16" Apex G2 console
HDMI personal-device screen mirroring with the 16" Apex G2 console
Integrated Wi-Fi and Ethernet connectivity with the 16" Apex G2 console
RunTV scenic routes, integrated apps, and wireless screen mirroring with the 16" Apex G2 console
Programmable personal cooling fan
Integrated tablet shelf and bottle/accessory storage
10" LCD console compatible with optional PVS entertainment, IPTV accessories, and tablet holder options
Landmark Challenge workout program featuring famous landmarks and climbing challenges
Compact 54" × 29" footprint, designed for spaces with ceilings as low as 8 feet
Durable, powder-coated steel frame
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 compatible devices to pair with a simple tap, making workout-data tracking easier.

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.
See more benefits of using a StairMaster.

Material: Powder-coated steel frame
Standard Color: Matte Black (-60); customizable paint colors available with approval
Product Weight: 348 lbs. (158 kg)
Shipping Dimensions: 49" x 30" x 43" (125 x 76 x 109 cm)
Shipping Weight: 434 lbs. (197 kg)
| Specification | Details |
|---|---|
| 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 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) |
| Heart Rate Measurement System | Telemetry and contact heart-rate monitoring; Bluetooth with embedded display |
| Controls | Handrails with integrated speed controls, stop button, and contact heart-rate grips |
| Display Options | Apex G1 LCD, Apex G1 10" Touch, or Apex G2 16" Touchscreen |
| Accessories | Bottle and/or accessory holder; console pre-wired for PVS entertainment |
| Maximum User Weight | 350 lbs. (159 kg) |
| Drive System | Generator |
| Electrical Requirements | 12 V / 5 Amp power supply |
| Additional Features | Landmark Challenge |
Read the complete owner's manual to learn more about important features, specifications, operation, and maintenance for your StairMaster 4G.
The following tools are required to assemble your new StairMaster 4G:
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 assistance assembling your new unit, please contact service@totalbodyexperts.com.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
| FEATURES | |||
|---|---|---|---|
| HANDRAIL CONTROLS | Yes | Yes | Yes |
| LENGTH | 63in (160cm | 58in (147cm) | 54in (137cm) |
| WIDTH | 34in (86cm) | 34in (86cm) | 29in (74cm) |
| HEIGHT | 83in (210cm) | 80in (203cm) | 64in (163cm) |
| PRODUCT WEIGHT | 646lbs (293kg) | 498lbs (226kg) | 381lbs (173kg) |
| MAX USER | 400lbs (181kg) | 400lbs (181kg) | 350lbs (159kg) |
| STEP DIMS | 12in (30 cm) Deep x 22in (56cm) Width | 10in (25 cm) Deep x 22in (56cm) Width | 10in (25cm) Deep x 18in (46cm) Width |
| STEP HEIGHT | 8in (20cm) | 8in (20cm) | |
| STEP UP HEIGHT | 9in (23cm) | 9in (23cm) | 12in (30cm) |
| RECOMMENDED CEILING HEIGHT | 10’ (305cm) | 10’ (305cm) | 8’ (244cm) |
| ADDITIONAL FEATURES | OverDrive Programs simulate sled push and farmer’s carry while climbing stairs; Landmark Challenge | Landmark Challenge | Landmark Challenge |
Specifications and availability subject to change.
StairMaster 4 Series 4G Compact StepMill - New for 2027
StairMaster 4 Series 4G Compact StepMill - New for 2027
Minimum Bid Required Is: $4,799.20
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