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Hudson Tuf-Lite® II 3000H fan hub parts, 6 to 14 ft

The Hudson 3000H is the hub series for Tuf-Lite II fans with H blades, used on air cooled heat exchangers from 6 to 14 ft in diameter with 4 to 15 blades. H blades are white, or blue on fans built before March 2006. Tuf-Lite II is now only sold new in 34, 36 and 40 ft, so H blades in 3000H sizes are no longer made. Fan-Div supplies replacement hub parts for the 3000H and upgrades the blades to Tuf-Lite III.

3000H specifications

Fan diameter
6 to 14 ft
Blades
Tuf-Lite II (H), white. Blue before March 2006. 4 to 15 per fan; 10 to 15 blades are for 9 to 11 ft fans only
Bushings
Q-2 (1" to 2.62" shaft), R-2 (2.68" to 3.62" shaft)
Blade clamp halves
Unpainted aluminum (standard), epoxy coated aluminum, epoxy coated ductile iron or machined stainless steel
Clamp bolt torque
65 ft-lb lubricated, 80 ft-lb dry
Tip clearance
5 to 9 ft: 1/4" to 1/2". Over 9 to 11 ft: 1/4" to 5/8". Over 11 to 14 ft: 1/4" to 3/4"
Seal disc
Call us and we'll confirm it for your fan
Nameplate example
APT 14H 6 2 7/8" BORE

Sizes covered: 6, 7, 8, 9, 10, 11, 12, 13, 14 ft. On the nameplate these read APT 6H, APT 7H, APT 8H, APT 9H, APT 10H, APT 11H, APT 12H, APT 13H, APT 14H, followed by the blade count.

3000H hub assemblies

Hudson lists 3000H hubs by fan diameter, blade count and bushing. Tell us those three and we'll match the hub, seal disc and clamp parts to your fan. Get in touch.

Hudson lists 10 to 15 blade hubs for 9 to 11 ft fans only.

How to read a 3000H nameplate

Hudson fans carry an adjustable pitch code on the nameplate. APT 14H 6 2 7/8" BORE breaks down like this:

  • APT: adjustable pitch fan.
  • The number: fan diameter in feet.
  • H: the blade, here Tuf-Lite II. H is Tuf-Lite II, K is Tuf-Lite III, KW is Tuf-Lite III wide chord and M is Tuf-Lite IV.
  • The next number: blade count.
  • The bore: shaft size, where it's given. Large fans are often ordered without it.

Match the bore to a bushing: Q-2 fits 1" to 2.62", R-2 fits 2.68" to 3.62", S-2 fits 3.68" to 4.19" and U-1 fits 4.25" to 5.50". Read those off the nameplate and get in touch. We'll match the parts.

Obsolete H blades and the K blade upgrade

Tuf-Lite II was introduced in 1984. It is now only sold new in 34, 36 and 40 ft, and Hudson moves replacement projects to Tuf-Lite III. For a 3000H fan that means K blades.

Hudson says K blades can replace H blades on the original 23 inch hub with 4 to 9 blades, as long as every blade on the fan is changed at the same time. Tell us the diameter, blade count and bore and we'll confirm the change for your fan. Russell De Jesus, P.Eng, reviews the re-rate where one is needed.

See the 3000K page for Tuf-Lite III hubs and seal discs.

Specifications from Hudson's published 3000H installation manual, put in our own words. Common parts for every series, including clamp bolts, hub spools and seal discs, are on the Hudson parts page.

In the field
Fan and shaft bearing seen through an access door, with a vibration switch mounted on the frame Fan blade tips running close to a honeycomb tip seal ring inside the fan ring Motor, timing belt drive and fan shaft bearings under an air cooler, with laser alignment in progress Fan hub, motor mount and vibration switch under an air cooler, with a tip seal ring behind
3000H questions

Before you order.

Can I still get H blades for a Hudson 3000H fan?

Tuf-Lite II blades are now only sold new in 34, 36 and 40 ft, and Hudson moves replacement projects to Tuf-Lite III. For a 3000H fan that usually means changing to K blades. Tell us the diameter, blade count and bore and we'll tell you what fits your hub.

Can K blades go on the original 3000H hub?

Hudson says K blades can replace H blades on the original 23 inch hub with 4 to 9 blades, as long as every blade on the fan is changed at the same time. Tell us the diameter and blade count and we'll confirm it for your fan.

How do I know if my fan has H blades?

Look for the letter after the diameter on the nameplate: APT 10H is an H blade fan. Blue blades are H blades made before March 2006. After that H blades were white.

What torque do the 3000H blade clamp bolts take?

65 ft-lb lubricated, 80 ft-lb dry.

Request more info

Tell us what you're running.

Call us or send a request. We'll match 3000H hub, seal disc and clamp parts to your fan and call you back.

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