Wheels on Drum Gage for Brakes - Central Tools

The Central Tools 3B631 Wheels on Drum Gage for Brakes is a specialized digital measurement tool designed to streamline brake drum inspection for heavy-duty vehicles. This professional-grade gauge allows technicians to accurately measure truck and trailer brake drums without the need to remove the wheels, significantly saving time and labor in maintenance operations. Its robust construction and precise digital readout ensure reliable performance in demanding shop environments.

Key Features

• Effortless On-Vehicle Measurement: Specifically engineered to measure truck trailer drums directly on the vehicle, eliminating the time-consuming process of wheel removal.
• High Precision Digital Readout: Offers a fine resolution of 0.0005 inches or 0.01mm, providing the accuracy required for critical brake component assessments.
• Wide Measurement Range: Capable of measuring drum diameters from 0 to 16.65 inches (0-425mm), accommodating a broad spectrum of commercial vehicle applications.
• Durable & Resistant Construction: Built to withstand harsh workshop conditions, the gauge is resistant to dust, water, and oil, ensuring longevity and consistent performance.
• Flexible Zero Setting: Features a floating zero function, allowing the technician to set the zero point anywhere within the measurement range for convenient relative measurements.
• Optimized Design for Access: Equipped with pointed anvils and offset arms, and a unique shape, to effectively navigate around most drum axle hardware and air cans.

Applications

This Wheels on Drum Gage is an essential tool for professional automotive and industrial technicians working with commercial vehicles, including semi-trucks, trailers, buses, and heavy construction equipment. It is ideal for routine brake inspections, preventative maintenance checks, and diagnosing brake performance issues where accurate drum diameter measurements are critical. The ability to measure drums without removing wheels makes it particularly valuable for high-volume service centers and mobile maintenance operations focused on efficiency.

Specifications

• Manufacturer: Central Tools
• Model Number: 3B631
• Drum Preset: 4 inches (101.60mm)
• Measurement Range: 0-16.65 inches / 0-425mm
• Resolution: 0.0005 inches / 0.01mm
• Resistance: Dust, Water, and Oil
• Includes: Fitted case