GEAR BOX FOR STIHL FR450 FR460 FR480 FR85 FR85 T FS100 4137 640 0100

Gear Box for Stihl

This gear box, cross-referencing OEM part number 4137 640 0100, is designed for Stihl FR450, FR460, FR480, FR85, FR85 T, and FS100 trimmers and brushcutters.

Overview

This gear box is a direct replacement for Stihl trimmers and brushcutters, providing reliable power transmission for cutting and clearing tasks. It is built to withstand tough outdoor conditions and is compatible with multiple Stihl models including FR450, FR460, FR480, FR85, FR85 T, and FS100.

Built For Performance

• Precision-engineered gears for smooth operation
• Durable metal housing for long life
• Sealed bearings reduce maintenance
• Direct bolt-on installation
• Designed to match OEM specifications

Fits These Machines

• for Stihl FR450
• for Stihl FR460
• for Stihl FR480
• for Stihl FR85
• for Stihl FR85 T
• for Stihl FS100

On-The-Job Use

• Trimming grass and weeds
• Brush clearing in rough terrain
• Landscape maintenance
• Farm and ranch work

Specs At A Glance

Good To Know

Q: Is this gear box a direct replacement for my Stihl? A: Yes, it is designed to replace the original gear box on Stihl models listed, using the same mounting points and gear ratios.

Q: Do I need any special tools to install it? A: Basic hand tools such as wrenches and screwdrivers are typically sufficient; refer to your Stihl service manual for detailed instructions.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.