Description AND YOU THOUGHT OUR STAIRS WERE TOUGHThe Throwdown HIITMill X is a game-changer in High-Intensity Interval Training circuits. Unlike traditional treadmills, this self-powered machine is designed to push athletes beyond standard cardio. By integrating speed, strength, and resistance, it amplifies the impact of every HIIT session, delivering explosive power and agility training in one compact tool. Ideal for circuits, the HIITMill X challenges users to sprint, push, and drive with sled-like resistance, making each interval more intense and effective. It elevates metabolic conditioning, giving users the ultimate calorie-torching, muscle-building experience. Get ready to supercharge your HIIT circuit with a piece of equipment that’s built for serious results. Additional Information Brake system for improved resistance adjustmentMulti-grip hand positioning with water bottle and phone holderMagnetic resistance brake with resistance control leverExtra-wide 23” belt width for lateral training and max stability under loadSelf-powered walking, running and pushingPortable designAccessory attachment points (straps and tubing not included)Farmer’s Carry lift arms (HIITMill X only)3mm cushioned turf belt compatible with plastic field cleatsHIIT console with easy to read backlit display, Bluetooth & ANT+ connectivity, and programmable time, distance, calories, time interval, and calorie interval programsLeverage StairMaster’s unique HIIT products to attract new members, or learn to market your own exciting HIIT program to create a new source of revenue for your facility Specifications W: 55 IN (140 CM)L: 78 IN (197 CM)H: 66 IN (167 CM)MAX USER WEIGHT: 350 LBS (159 KG)MACHINE WEIGHT: 441 LBS (220 KG)SHIPPING WEIGHT: 553 LBS (251 KG) Spec Sheet