Marathon 20993 Inner Tube 4.00-6 Straight Valve Stem

Product Description

The MARATHON 20993 is a 4.00-6 inner tube designed as a direct replacement for small-wheel equipment used across residential and light-duty commercial applications. The tube features a straight valve stem and is sized to fit 6-inch diameter rims. Weighing approximately 0.705 pounds, it is a lightweight, easy-to-handle service part. Licensed technicians, equipment operators, and knowledgeable DIYers install this tube as part of routine tire service on a range of outdoor power and utility equipment.

This inner tube is suited for lawn tractors, wheelbarrows, hand trucks, chipper/shredders, and dump carts that use 4.00-6 tires mounted on 6-inch diameter rims. It is a common service replacement for any equipment running this tire size, making it a practical stocking item for small-engine shops, rental fleets, and landscaping operations that service multiple units.

Key Features

• 4.00-6 tube size fits a wide range of small-wheel outdoor and utility equipment
• Straight valve stem for straightforward inflation and pressure checks
• Designed to fit 6-inch diameter rims
• Lightweight at 0.705 pounds for easy handling during tire service
• Suitable for lawn tractors, wheelbarrows, hand trucks, chipper/shredders, and dump carts

Compatibility

Designed for use with 4.00-6 tires mounted on 6-inch diameter rims, including applications on lawn tractors, wheelbarrows, hand trucks, chipper/shredders, and dump carts.

Installation Notes

Installation is typically performed by small-engine technicians or experienced equipment operators. Before servicing, ensure the equipment is powered off, on a stable flat surface, and that the wheel is fully removed from the axle. Use tire irons or a bead breaker appropriate for small tires to avoid damaging the tube during seating. Inflate gradually and check for leaks before reinstalling the wheel.