The TR621A (VS921AR) is a durable air-liquid valve stem designed for tractor tires, graders, and other agricultural or off-road vehicles. With a 65° bend angle and robust construction, it provides reliable sealing for liquid-filled tire systems, offering ease of access and high-pressure performance in harsh working environments.
Ideal for both field service and shop maintenance, this valve fits the standard .625" rim hole found on most heavy-duty ag equipment.
🔧 Key Features
🚜 For Agricultural & Off-Road Use
Perfect for tractors, road graders, and other heavy-duty equipment with air-liquid tire systems.
🌀 65° Bend Angle
Provides balanced access and clearance for easier inflation and maintenance.
📏 Optimized Dimensions
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Length to Bend: 1-1/2"
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Length After Bend: 3"
🔩 Fits .625" Valve Hole
Compatible with most agricultural and commercial-grade rims.
💧 Air-Liquid Inflation Ready
Supports liquid ballast applications to improve traction and stability in demanding terrain.
🛠️ Built for Harsh Environments
Durable construction designed for high pressure, rough conditions, and daily use.
A solid choice for professionals servicing field equipment, the TR621A / VS921AR is a go-to solution for reliable inflation performance and ease of use.