---
product_id: 181127761
title: "Fenner Drives RT4100 Heavy Duty Rotary Tensioner, 8.58\" Length, 0 Degree-85 Degree Rotation, 0 lb.-85 lb. Force"
brand: "fenner drives"
price: "13052 som"
currency: KGS
in_stock: false
url: https://www.desertcart.kg/products/181127761-fenner-drives-rt4100-heavy-duty-rotary-tensioner-8-58-length
store_origin: KG
region: Kyrgyzstan
---

# 0°-85° Rotation 8.58" Length 0-85 lb. Force Fenner Drives RT4100 Heavy Duty Rotary Tensioner, 8.58" Length, 0 Degree-85 Degree Rotation, 0 lb.-85 lb. Force

**Brand:** fenner drives
**Price:** 13052 som
**Availability:** ❌ Out of Stock

## Summary

> 🔩 Elevate Your Drive Game!

## Quick Answers

- **What is this?** Fenner Drives RT4100 Heavy Duty Rotary Tensioner, 8.58" Length, 0 Degree-85 Degree Rotation, 0 lb.-85 lb. Force by fenner drives
- **How much does it cost?** 13052 som with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.kg](https://www.desertcart.kg/products/181127761-fenner-drives-rt4100-heavy-duty-rotary-tensioner-8-58-length)

## Best For

- fenner drives enthusiasts

## Why This Product

- Trusted fenner drives brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Boost Efficiency:** Enhance drive efficiency for optimal performance in demanding environments.
- • **Minimize Downtime:** Keep your operations running smoothly with reduced system downtime.
- • **Obstacle Avoidance:** Ensure drive components glide past obstructions without snagging.
- • **Vibration Reduction:** Lower resonant frequency of chain drives for a quieter, more stable operation.
- • **Maximize Component Longevity:** Extend the life of critical drive components and reduce costly replacements.

## Overview

The Fenner Drives RT4100 Heavy Duty Rotary Tensioner is engineered for durability and efficiency, featuring an 8.58" length, a rotation range of 0° to 85°, and a force capacity of 0 to 85 lbs. This tensioner is designed to extend the life of critical drive components, minimize downtime, and enhance overall system performance.

## Description

Heavy Duty rotary tensioner, suited for 3L, 4L or 5L belts. Allows for easy installation and adjustment with a single bolt feature and come in a variety of sizes and mounting styles. Improve performance and extend life for most fixed-center drives. The built-in spring mechanism absorbs momentary overloads and reduces vibration.

## Features

- Extend the life of critical drive components
- Reduce system downtime
- Increase drive efficiency
- Ensure drive components do not snag obstructions
- Reduce resonant frequency of chain drives

## Images

![Fenner Drives RT4100 Heavy Duty Rotary Tensioner, 8.58" Length, 0 Degree-85 Degree Rotation, 0 lb.-85 lb. Force - Image 1](https://m.media-amazon.com/images/I/31xw2boFueL.jpg)

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**Shop now:** [https://www.desertcart.kg/products/181127761-fenner-drives-rt4100-heavy-duty-rotary-tensioner-8-58-length](https://www.desertcart.kg/products/181127761-fenner-drives-rt4100-heavy-duty-rotary-tensioner-8-58-length)

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*Product available on Desertcart Kyrgyzstan*
*Store origin: KG*
*Last updated: 2026-03-05*