Isoflex Flexible Coupling IFC-4400-95-5"

5" Isoflex Flexible Gearbox Coupler for Yanmar Marine Transmissions.

The IFC-4400-95 is a 4-bolt Isoflex flexible coupling in the small-frame range, commonly used on Yanmar, ZF/Hurth, and similar 4.75" flange gearboxes. It is a female–female (F/F) pilot configuration, making it a direct fit for many standard small marine transmission flanges.

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 524Y
• Transmission Flange Diameter: 4.75"
• Number of Holes: 4
• Hole Diameter: 0.39"
• Bolt Circle: 3.94"
• Pilot Diameter: 2.56" F
• IsoFlex Outside Diameter: 5.71"
• Isoflex Coupling Thickness: 0.984"

Transmission Cross Reference

• Yanmar / Kansaki KBW20, KBW20-1, KBW21, KM4, KMH4, KMH4A, KMH4A-1, KH18, 3QM30, 4JHE, 4JH2, 4JH3, 4JH4, 30M, 30H, 30G