Proform 400I
ProForm SMART Performance 400i Treadmill with 30-Day iFIT Membership

ProForm SMART Performance 400i Treadmill with 30-Day iFIT Membership





Clothing Size

One Size


iFIT Health & Fitness



Maximum Incline






Is Foldable


Maximum Weight

300 lb


2.0 Horsepower

Recommended Use

Exercise, Running, Weightlifting, Cycling

Assembled Product Weight

200 lb

Manufacturer Part Number


Number of Programs


Fitness Goal

Lose Weight, Gain Muscle, Improve Health

Assembled Product Dimensions (L x W x H)

65.77 x 32.75 x 56.42 Inches

Warranty information

10 Year Frame, 1 Year Parts & Labor

Free worldwide shipping on all orders over $300

  • This item is in stock
  • 30 days easy returns
Guaranteed Safe Checkout

Unveiling the ProForm 400i Treadmill: A Fitness Game Changer

The journey to fitness is one paved with determination, goals, and the right equipment. Among the myriad of options available, the ProForm 400i Treadmill stands out as a beacon for fitness enthusiasts and beginners alike. Designed to cater to a wide range of fitness needs, the ProForm 400i is more than just a treadmill; it’s a comprehensive fitness solution for your home. Let’s dive into what makes the Pro Form 400i Treadmill a must-have for anyone serious about their health and well-being.

ProForm 400i Treadmill Overview

The Pro Form 400i at a Glance

At first glance, the ProForm 400i Treadmill catches the eye with its sleek design and robust build. Boasting features like incline controlsProShox cushioning, and a SpaceSaver design, it’s evident that this treadmill is built for both performance and convenience. The ProForm 400i is not just a piece of fitness equipment; it’s a gateway to a healthier lifestyle.

Detailed Features

ProForm 400i Treadmill Performance and Technology

  • CHP Mach Z Motor: The heart of the Pro Form 400i is its powerful yet quiet CHP Mach Z motor, designed to withstand long runs and intense workouts.
  • iFit Enabled: Transform your workout with the 1-year iFit membership included, offering personal training sessions, studio classes, and global workouts right in your living room.
  • Touchscreen Display & Integrated Tablet Holder: A responsive touchscreen display keeps you in control, while the integrated tablet holder allows for multitasking, making workouts fly by.
  • Workout Apps: Preloaded workout apps provide variety and also challenge to your daily routines, ensuring you never hit a plateau.

Comfort and Usability

  • ProShox Cushioning: Say goodbye to joint pains with the ProShox cushioning system, reducing impact and also providing a comfortable running surface.
  • Running Surface and Tread Belt: The spacious running surface and durable tread belt cater to users of all strides and sizes, ensuring safety and also comfort.
  • Incline Controls: Simulate real-world terrain with adjustable incline controls, enhancing the effectiveness of your workouts.

Design and Specifications

  • SpaceSaver Design: The foldable design makes it easy to store the treadmill in any room, making it perfect for small living spaces.
  • Weight Capacity: Built to accommodate users up to 300 lbs, the ProForm 400i is sturdy and also reliable.
  • Manual: The detailed ProForm 400i Treadmill Manual provides all the information needed for setup, use, and also maintenance.

Why Choose the ProForm 400i?

The Pro Form 400i treadmill is more than an exercise machine; it’s a comprehensive fitness system. With its 1-year iFit membership, it brings personalized training sessions, studio classes, and even global workouts directly to your home. This feature not only enhances your fitness experience but also keeps you motivated and engaged.

Pricing and Purchasing

The ProForm 400i Treadmill competitively priced, offering exceptional value when considering its extensive features and the included iFit membership. For the most current pricing and purchase options, check out Walmart’s listing for detailed information and potential financing options to accommodate your budget.

Setting Up Your Treadmill

Assembling the Pro Form 400i doesn’t require a degree in engineering. The treadmill comes with a step-by-step guide ProForm 400i manual, ensuring a smooth setup process. However, it’s always a good idea to have an extra pair of hands to make the process even easier.


Can You Watch YouTube on ProForm 400i?

Absolutely! The integrated tablet holder on the ProForm 400i allows users to securely place their tablets and also enjoy YouTube videos, making those longer workout sessions fly by in no time.

How to Start ProForm Treadmill 400i?

Getting the Pro Form 400i started is a breeze. Once the treadmill assembled and plugged in, simply press the power button, and use the touchscreen display or quick buttons to select your preferred workout program.

How to Assemble a ProForm 400i Treadmill?

Assembling the Pro Form 400i treadmill is straightforward with the included step-by-step guide in the ProForm 400i manual. The process involves attaching the base to the deck, setting up the console, and also ensuring all parts are securely fastened.

Is the ProForm 400i Treadmill Suitable for All Fitness Levels?

Yes, the Pro Form 400i is designed to accommodate users of all fitness levels. With its wide range of workout apps, adjustable incline controls, and the capability to support different weights, it provides a versatile workout experience for everyone.

Does the ProForm 400i Have a Heart Rate Monitor?

Yes, the Pro Form 400i features a heart rate monitor that helps users track their cardiovascular performance during workouts. This feature is essential for those looking to maximize their fitness results by staying within their optimal heart rate zones.


The Pro Form 400i Treadmill is a standout option for anyone looking to bring a comprehensive, high-quality workout experience into their home. With features like iFit compatibility, ProShox cushioning, and a robust Mach Z motor, it offers a level of engagement and effectiveness that rivals that of a gym. Whether you’re a seasoned runner or just beginning your fitness journey, the ProForm 400i provides the versatility, comfort, and motivation needed to achieve your fitness goals.

Transform your workout routine with the ProForm 400i and step into a world of enhanced fitness from the comfort of your home. Explore more about this treadmill and order yours today at Walmart or browse through other ProForm models like the ProForm 300iProForm ZT6, and also ProForm Pro 5000 for options that best suit your fitness aspirations.


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