MD-30RT - 600 GPH- Iwaki Japanese

Iwaki MD-30RT
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MD-30RT - 600 GPH- Iwaki Japanese

100% Recommend this to a friend (3 of 3)

SKU: 300406

reg. $259.99

Special Price: $220.99

In Stock: 1
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Quick Overview

Why does BRS recommend this?

Anytime we need an external pump the Iwaki Japanese motors are our first choice.  There are cheaper options that work just fine, however when it comes to noise the Iwaki Japanese external pumps are class leaders and for any area where noise a concern and space is limited. The Japanese Iwaki pump is the way to go.

  • Japanese Motor

  • Max Flow: 600 GPH

  • Max Head: 17.7 Ft

  • ¾” Inlet(MPT)/ ¾” Outlet(MPT)

  • Max Amps: 1.0

  • Motor Output: 1/16 HP

Note: The Iwaki MD pumps' power cords do not come with the plug pre-spliced.


Full Details

External pump from Iwaki, the world leader in small magnetically coupled centrifugal pump technology. Japanese-made motor is designed especially for aquatic applications. Super quiet and energy efficient with less parts.

High quality external pump with years of research and development behind its design. Iwaki pumps offer high pressure rates in a durable, compact pump. Easily tailor pump applications because of the numerous motor/pump configurations. MD stands for Mag-Drive.

MD Series – Japanese Motor

  • Japanese motor is made from cast aluminum with a cast end bell
  • Japanese models use a custom pump design specifically for aquatic applications
  • Japanese pumps run cooler to the touch and slightly quieter, due to the thicker material

Quick Compare - Iwaki MD Pumps (Japanese Motors)


Power Usage

Maximum Flow

Maximum Head


Iwaki MD-20RT


492 GPH

14.1 ft

Hose 5/8” NPT ¾”

Iwaki MD-20RXT


822 GPH

8.2 ft

Hose 1” NPT 1”

Iwaki MD-30RT


600 GPH

17.7 ft

Hose ¾” NPT ¾”

Iwaki MD-30RXT


1140 GPH

13.5 ft

Hose 1” NPT 1”

Iwaki MD-40RT


822 GPH

21.3 ft

Hose ¾” NPT ¾”

Iwaki MD-40RXT


1344 GPH

15.4 ft

Hose 1” NPT 1”

Iwaki MD-55RLT


1104 GPH

26.9 ft

Hose 1” NPT 1”

Iwaki MD-70RLT


1536 GPH

31.8 ft

Hose 1” NPT 1”

Iwaki MD-100RLT


2136 GPH

39.0 ft

Hose 1” NPT 1”


3 Items

  • Is 10 years good enough? By Norm on 9/15/2016

    Non-stop with rare cleanouts for 10 years pushing into my 75g tank. Latest motor/impeller etc check: can't see signs of wear. I've also got a WMD series which has a more open motor design not as resistant to salt. So this MD has been one dependable pump. Runs warm but it has that sealed motor design so kinda expect that.
  • Strong pump, runs hot. By A on 7/16/2014

    It is a quality pump, but I am not sure it is suitable for most aquarium setups. I am sure it can run fine without a fan in more open areas but in tight areas typical of aquarium setups it runs too hot. Strong, powerful, quiet...but it probably needs a small fan.
  • Worth the price By MandM on 2/19/2013

    I had to replace my Pan World pump, it was gumming up and stopped pumping a few times. I decided to spend more on this one and I'm glad I did. Very quiet. It doesn't have the fan that the Pan World pump has and that is probably a lot of the noise with that pump. This one runs very warm, but it won't melt anything. Get a rubber pad to absorb vibration with this one, as with all the metal mounting bracket.


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