Multiwing 4Z Fan, Custom Diameter, 6 or 9 Blades, Adjustable Pitch

Multiwing 4Z adjustable-pitch fan built to your diameter, anywhere from 20" to 32". Choose 6 or 9 blades, left-hand 4ZL or right-hand 4ZR, and the bore. In the order notes at checkout, give the finished diameter and the pitch angle (25° is standard). We assemble, balance and drill it for mounting.

• Diameter 20" to 32", your choice
• 6 or 9 blades, 4ZL or 4ZR
• Bore: 1", 1.125" or P1 taper bushing
• Stock pattern: 6 bolts on a 2.45" circle; other bores and patterns on request

Horsepower matching

Tell us your engine and application and we will match the fan to it.

Spare and replacement parts

Replacement 4ZL, Multiwing blanking caps, pitch pin sets, and our Z-series cutting service to cut new blades to match.

Need a different size?

We build Multiwing and Wing Fan fans to your diameter, blade count, rotation, pitch and mounting, and our fan design software can match a fan to your airflow and horsepower. Send us your requirements with the fan identification form or call (360) 661-0875.

Ordering and shipping

• Built to order: about 4 weeks, sooner when we have the parts on hand.
• Fans ship assembled, balanced and marked. The shipping price at checkout is for an assembled fan; shipping overages are refunded.
• International orders can ship disassembled for $35 to cut size and cost. Parts are marked for correct balance and re-assembly instructions are included.
• Saturday delivery is possible in some cases. Call to arrange it.

About Amphibious Marine

We are a dealer for Multiwing and Wing Fan fans and blades, and we specialize in fast fan repairs: blade cutting, balancing, replacement hubs and complete fans. When we don't have the exact part on hand, our fan design software lets us design a permanent or temporary replacement fan for time-critical applications, and we can often ship the same day.