DODGE 3-3V6.9–SDS v-belt pulley

DODGE 3-3V6.9–SDS belongs to v-belt pulley, part of our Power transmission range. Tell us how many you need by WhatsApp or email and we'll get back to you promptly with a quote for 3-3V6.9–SDS and any equivalents.

Dodge 3V QD sheaves are V-belt pulleys made for 3V section belts, using a removable QD bushing. Because the bushing comes off separately, you can pull the sheave off the shaft without taking apart the rest of the drive, which keeps replacement work short. Typical duty covers fans, pumps, compressors and conveyors.

Reading a code such as 1-3V8.0–SDS, 2-3V6.5–SDS or 3-3V4.75–SDS takes three steps. The leading digit is the groove count: one, two and three respectively in those examples. Next is the belt section, 3V. After that comes the pitch diameter in inches, which changes from one code to another. The SDS ending tells you which QD bushing the sheave takes, and that sets the shaft size range it will accept. So 3-3V5.0–SDS is a three-groove 3V sheave, 5.0 inch pitch diameter, SDS bushing.

You will find this style of sheave in process plants, water treatment, cement, food processing and mining, wherever V-belt drives are used: centrifugal fans, centrifugal pumps, screw compressors, screens and conveyors. Multiple grooves let one sheave and belt set handle higher power, and the QD bushing makes it practical to swap the sheave when you change diameter to adjust driven equipment speed.

Selection starts with the power to transmit and the RPM of both the motor and the driven machine; from there you arrive at groove count and pitch diameter. For the bushing, work from the shaft diameter, and confirm it falls inside the range allowed by the SDS suffix. The bushing is bolted to the hub. At installation, line the sheaves up with a straightedge or laser, set belt tension per the manufacturer's manual, and recheck bushing bolt torque after the first hours of running.

Sheaves in this series interchange across brands by groove count, belt section and pitch diameter, provided the QD bushing matches. Dodge and Browning, among others, share the QD system, so it is often enough to replace just the sheave or just the bushing. If a size is not listed, send the code or model on WhatsApp or by email and the team will point you to a compatible alternative or discuss making it to your requirement.