Isoflex Flexible Coupling IFC-4550-95-5"

5" Isoflex Flexible Gearbox Coupler for Yanmar and ZF Marine Transmissions.

The IFC-4550-95 is a 4-bolt Isoflex flexible coupling in the 4500-series footprint, but with a higher torque rating than the standard 4500 while maintaining the same flange geometry. It is a female–female (F/F) pilot configuration, commonly used on Yanmar, ZF/Hurth, and small Twin Disc gearboxes with a 5" (4-1/4" BC) flange.

Isoflex Features

• Quieter boating experience
• Isolate and minimize drive line misalignment propeller pulse and gear chatter
• An Isoflex coupling acts as a fuse or sacrificial link
• Isoflex engineering-grade polymer
• Internal hex-shaped fittings
• Protects the gearbox, reducing the chance of damage to the engine and transmission

Isoflex Specifications

• Cross reference: Drivesaver 504H
• Flange Diameter: 5"
• Number of Bolts: 4
• Bolt Diameter: 7/16"
• Bolt Circle: 4-1/4"
• Pilot Diameter: 2-1/2" F
• IsoFlex Outside Diameter: 5.91"
• Isoflex Coupling Thickness: 1-1/8"

Transmission Cross Reference

• Yanmar: KM5, KM5A (4LH engines), KMH40
• ZF: 41, A2/A3, 45A