Gates 40R4340 Automatic Continuously Variable Transmission (CVT) Belt - Drive Belt

Gates G-Force RedLine CVT Belt Overview

The Gates G-Force RedLine CVT Belt is a high-performance automatic continuously variable transmission belt built for powersport and off-road use. Part number 40R4340 is engineered with an aramid cord, EPDM belt material, and a double-notched construction to help reduce speed ratio loss and energy loss under demanding conditions.

For riders and builders searching for a Gates CVT belt for ATV, UTV, or side-by-side drivetrains, this belt is part of the G-Force RedLine line developed for stronger response and more consistent operation in extreme environments. If you are cross-shopping 40R4340 for a Honda or Yamaha application, verify dimensions and interchange data before ordering.

Key Features

• Part number 40R4340
• Power Sport Specialty High Performance CVT Belt
• Top width: 1.375 in. (35 mm)
• Pitch width: 1.295 in. (32.9 mm)
• Outside circumference: 44.625 in. (1133 mm)
• Pitch length: 43.4 in. (1102 mm)
• Thickness: 0.627 in. (15.9 mm)
• Aramid cord material for added strength
• Double-notched, notched construction with fabric bottom
• EPDM belt material and black finish
• OE Improved comparison rating

Product Details

The Gates G-Force RedLine CVT Belts line focuses on improving CVT performance where heat, load changes, and terrain can affect belt consistency. This belt uses a 28-degree angle, RVS-R section, and a notched profile to support smoother flex characteristics in high-demand powersport drivetrains. The construction and material choices are aimed at reducing energy loss while maintaining stable belt behavior during acceleration and at higher operating speeds.

Part number 40R4340 also cross-references Dayco HPX5009 and XTX5033 for the same application. Common search terms for this belt include Gates 40R4340 CVT belt, high performance ATV CVT belt, and UTV transmission belt replacement. If you are comparing Honda or Yamaha CVT belt options, use the listed dimensions and interchange references to confirm the correct match.

What This Belt Helps Address

• Slipping or inconsistent CVT belt engagement
• Loss of acceleration response under load
• Reduced top-speed consistency in demanding terrain
• Heat-related belt wear in off-road use
• Speed ratio loss during hard acceleration

Installation Notes and Tips

Confirm top width, pitch width, outside circumference, and pitch length before installation. Inspect the CVT system for pulley wear, contamination, and alignment issues before fitting the new belt. Follow the vehicle manufacturer’s service procedure for belt orientation, break-in, and torque specifications. For fitment-based searches, use the exact vehicle application data and interchange numbers rather than relying on appearance alone.

Quality Assurance

Gates designs the G-Force RedLine CVT Belt line for powersport applications that demand consistent transmission performance in harsh conditions. The OE Improved rating reflects a design intended to exceed original-equipment comparison standards in key operating characteristics.