New 200J6 Drive Belt - Stairmaster, Nautilus, and Star Trac Stepmills & Gauntlets

Keep your stepmill running smoothly with this brand-new 200J6 Drive Belt, designed to meet OEM performance standards for a wide variety of Stairmaster, Nautilus, and Star Trac machines. This high-quality belt helps restore proper drive function, reduce slippage, and maintain consistent step resistance.

Perfect for commercial gyms, home users, and fitness repair professionals.

Product Description

This New 200J6 Drive Belt is a heavy-duty replacement belt engineered to deliver strong grip, low noise, and reliable operation under continuous use.
It is commonly used in the drive systems of commercial stepmills and Gauntlet machines.

Ideal for correcting issues such as:

• Slipping under load

• Jerky or inconsistent stepping movement

• Noise coming from the drive system

• Worn, cracked, or stretched belts

A fresh drive belt is essential to maintain safe, smooth machine operation.

Compatible Models

This 200J6 drive belt fits the following model(s):

Nautilus

• SM916 Stepmill

Stairmaster

• 4000PT

• 7000PT StepMill

• 8-Series Gauntlet:

  • 7-5270-8G-10

  • 7-5270-MUNBP

  • 8-5270-MUNBP

  • 9-5270-KUNBP

  • 9-5270-PPUBP

  • 9-5270-PUNBP

  • 9-5270-RUNBP

  • 9-5270-WUNBP

  • 9-5270-YFTBP

  • 9-5270-YRTBP

• SM5 Gauntlet – 150015

• SM5 Stepmill – 150005

• SM916 (Metal Steps)

• SM916 (Plastic Steps)

Star Trac

• E-SM – 9-5180-MUNBP0

Always confirm your model number and part specification before purchasing.

Condition

Brand New – Never Installed

• Factory-fresh belt

• Strong, reinforced construction

• Smooth operation and excellent durability

• Ready for installation on compatible units

Features

• OEM-style 200J6 drive belt

• Designed for commercial stepmills and Gauntlet machines

• Reduces slippage and drive noise

• High-traction material for consistent performance

• Ideal for gyms, technicians, and refurbishing companies

• Extends the life of your machine’s drive system