Multi-Wing O-PMAX4 One-Piece Fan

O-PMAX4 is a heavy-duty one-piece fan for high-power tractors, forestry machines and gensets.

Diameter range540–762 mm
RotationL / R

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Technical specifications
Rotation
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About O-PMAX4

O-PMAX4 is a heavy-duty one-piece fan for high-power tractors, forestry machines and gensets.

One-piece molded (OPM) Multi-Wing fans have the hub and blades molded as a single body and are designed for high-volume projects. Paired with bi-metal or electronically controlled viscous clutches they provide speed modulation and reduce fuel consumption and noise. They suit Tier 4F, Tier 5 and Stage V engine cooling packages in agricultural and construction machinery.

The diameter range for O-PMAX4 is 540–762 mm.

Technical specifications

Product groupOne-Piece Molded Fan Impellers
Diameter range540–762 mm (21.3–30.0 inch)
RotationLeft (L) and right (R)
ApplicationsAgricultural machinery and tractors, Generator (genset) cooling, Off-highway machinery

Where is it used?

  • Agricultural machinery and tractorsSuits engine cooling packages in tractors and harvesting machinery.
  • Generator (genset) coolingKeeps generator engines at safe temperatures with strong pressure and airflow through the radiator.
  • Off-highway machineryHandles cramped, dusty radiator packs in excavators, loaders and dozers.

What do we need for a quote?

  • Diameter of the current fan (mm)
  • Number of blades
  • Profile code (e.g. 4Z, 6W, PMAX4)
  • Rotation (L / R)
  • Pitch angle
  • Material (PPG, PAG, AL…)
  • Hub / shaft bore size
  • Motor speed (rpm)

You don’t need to know everything. Enter what you know and we will complete the rest together.

Frequently asked questions

What diameters is the Multi-Wing O-PMAX4 One-Piece Fan available in?

The diameter range for O-PMAX4 is 540–762 mm. State the size you need in the quote form.

Is O-PMAX4 available in left- and right-hand rotation?

Yes. Most modular profiles are available in both left-hand (L) and right-hand (R) versions, so the right direction can be chosen for pusher or puller use.

How do I get a price for O-PMAX4?

Add the product to your quote list and send your contact details. Our quote with itemised prices, shipping and lead time is sent to your email address.

What is the lead time?

Items in stock are usually shipped the same day. Lead time for non-stock items is stated in your quote.

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