This OTTO belt tensioner (part number 347-7963) is designed for CAT excavator models 320D, 325D, 330D, and 336D. It maintains optimal fan belt tension for efficient cooling system performance and extends the lifespan of belt-driven components.
This OTTO belt tensioner (part number 347-7963) is designed for CAT excavator models 320D, 325D, 330D, and 336D. It maintains optimal fan belt tension for efficient cooling system performance and extends the lifespan of belt-driven components.