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Free Shipping!

When you buy fitness equipment from us, you receive our free curbside shipping option (limited to the 48 contiguous United States) right to your driveway or front of your residence.

Our HOME USE Warranty

When you buy one of our fitness machines, you instantly receive the following HOME USE warranty:

  • Frame: Lifetime limited (5-years)
  • Brake: Lifetime limited (5-years)
  • Parts/Electronics: 3-years
  • Labor: 1-year
  • Wear & Tear Items: 90-days

See our warranty page for more details.

30-Day Money Back Guarantee

If you purchased from our website and are not completely satisfied with your purchase, we offer a 30-day money back guarantee. You will only be responsible for return shipping and any assembly labor charges you may have purchased.

10% Military Discount

We're proud to support our American service members. As a small token of our appreciation, we offer all active and veteran Military personnel a 10% discount on our fitness equipment and accessories. After purchase, just email our customer service team at support@diamondbackfitness.com with a photo or a scanned copy of your Military ID or DD214 and we'll do the rest!

Discount cannot be combined with any other discounts.

510T Space Saving Compact Treadmill

Product Discontinued

We regret to inform you that the 510T Space Saving Compact Treadmill is out of stock and has been discontinued. Please check back on our website for similar or possible replacement items. We apologize for this inconvenience and appreciate your understanding.


510t compact design

Space Saving Compact Design

Simply fold your treadmill and take advantage of our FreeSpace™ space saving design, allowing you to maximize your training space while keeping your living space free and clear. Easily stores vertically against a wall or flat to fit under a bed.

510t belt

Versatread™ Oversized Running Belt

Diamondback Treadmills are designed to be compact while providing a wide running surface so you can train in safety and with no restriction to your running motion.Plus, every 510T includes our Belt Protect™ feature. Usually only included on high-end commercial gym treadmills, the Belt Protect roller prolongs the life of the tread belt and reduces maintenance.

510t console

Club-Quality Console

  • FreeMix™ 5.0 Sound System - Enjoy your workout while listening to your favorite music. Simply plug in and listen to incredible sound through two high quality speakers.* One Touch Quick Speed Control - Adjust speed easily from .5 to 8 MPH with the touch of a button on the console or on the hand grips.* Preset Programs – 10 Preset Programs give variation to your training so you can rapidly reach your fitness goals.* MediaView Platform - Workout while watching your favorite media. Simply place your device on the MediaView holder and sync with the FreeMix Acoustics™ 5.0 Sound System.
510t motor

The treadmill motor built to outrun the competition

Diamondback’s custom HiTorque™ treadmill motor is the industry leader for build quality and durability. HiTorque's precision engineering and AAA-grade components deliver 2.0 continuous horsepower to keep you moving towards your goals. * 2.0 HP Continuous Duty Rating * Oversized casing to cut noise and vibration * AAA Grade copper coils * Silent, fan-cooled heat management * High-grade insulation + sealed bearings = HiTorque longevity * Dual carbon brushes Lifetime Warranty

510t assembled

100% Assembled! Ready to go out of the box.

The Diamondback 510T comes to you pre-assembled in the carton. This new design feature means it’s ready for action—right out of the box! No fiddling with bolts or screws, just unpack and go.


Lifetime warranty

Lifetime Frame and Motor Warranty*

30 day risk free

30-Day ‘No Questions Asked’ Money Back Guarantee

Belt protect

Belt Protect System to Prolong Tread Belt Life

2 0 high torque

HiTorque 2.0 Continuous HP Motor with Lifetime Warranty

One touch speed

One Touch Quick Speed Control on Console and Handles .5 to 8 mph

Versa tred

VersaTred™ Oversized Running Surface 48” x 17”

Preset programs

10 Preset Workout Programs

Free space

FreeSpace™ Compact Vertical and Horizontal Folding Design

Dual grip

Dual-Grip Heart Rate Monitor

Freemix sound

FreeMix™ 5.0 Audio System with Dual Speakers

Media view

MediaView Platform to Keep Your Workout Entertaining


Dimensions (assembled): ″L x ″W x ″H
Dimensions (packaged): 66″L x 30″W x 11″H
Shipping Weight: 128 lbs.
Product Weight: 108 lbs.
User Height: -
User Weight Capacity: 240 lbs.


Q: Is the treadmill shipped fully assembled?

Yes, it is! It is one of the only treadmills on the market to arrive fully assembled. Just pull it out of the box, plug it in and start working out!

Ask Your Pre-Purchase Question!

Do you have a question about this machine before purchasing it? Please ask it below and a sales representative will respond as soon as possible!

Have a question before you buy?

Our friendly support staff is here to answer your questions.

Available Monday – Friday from 9:00 a.m. to 5:00 p.m. MST.


Rating Snapshot

5Based on 8 reviews
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By: Nancy Sipler  |  4 months ago

Verified Review for 510T Space Saving Compact Treadmill

Perfect size, very quiet and easy to move.

Yes, I recommend this product.
Verified Purchase

By: Cindy Carpenter  |  5 months ago

Verified Review for 510T Space Saving Compact Treadmill

I love it, needed a compact machine for in home use that I could move around myself, this is perfect. Display and options are great, only thing missing is a cup holder.

Yes, I recommend this product.
Verified Purchase

By: Evelyn Peacock  |  6 months ago

Verified Review for 510T Space Saving Compact Treadmill

Great machine

Yes, I recommend this product.
Verified Purchase

By: janice steimer  |  9 months ago

Verified Review for 510T Space Saving Compact Treadmill

Perfect for those small spaces and all ready assembled so we were able to take out of the box and carry it upstairs just two of us and we’re older

Yes, I recommend this product.
Verified Purchase

By: Lorraine Andersen  |  11 months ago

Verified Review for 510T Space Saving Compact Treadmill

For many years I had a diamond back elliptical before purchasing the treadmill. Both products have been excellent. Being a widow I wanted something that I did not have to try and assemble on my own and this worked great

Yes, I recommend this product.
Verified Purchase

By: Nashville Tracey  |  almost 2 years ago

Slick, Compact and Solid

Slick design, very compact and solid build. My last treadmill was a headache to assemble, so it was quite delightful to have it show up fully assembled!

Yes, I recommend this product.

By: The Runner  |  almost 2 years ago

Versatile to the Max

Compact, aesthetic simplicity, versatile, are just a few phrases to describe this elegant machine.

Yes, I recommend this product.

By: Treadmill Girl  |  almost 2 years ago

Compact Treadmill

This is a great little and compact treadmill. The look is so sexy, all my friends are green with envy.

Yes, I recommend this product.