Sun-Mar 400 Drum Composter

Sun-Mar 400 Drum Composter


In Stock

SKU: 44-0200

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The Sun-Mar 400 is ideal for kitchen scraps and cut up materials from a small garden.

As with the 200, material is added to the 400 by sliding the input door open. To mix and aerate the compost, the 400 drum is rotated by turning a shaft on which a small gear bears directly against the gear teeth on the drum.

Compost is removed by opening the output port, rotating the drum and allowing compost to fall from the inner drum into a bushel basket or other container.

Included with the SUN-MAR 400:
Optional Rollers

The unit has optional rollers, which can be snapped into the cradle base to make it easier to move the unit when it is  on a hard surface.

Sample Compost Swift

The 400 has a sample bottle of Compost Swift which you can use diluted by 8 to 1 to help get your composter going. If you like it, there is a large 32 oz bottle available.

Spare Parts

You are unlikely to need them but we are including 2 spare vent plugs and one spare drum cap in case you break one.


  • Drum Volume: 366 Liters (approx: 11 bushel or 100 gallon)
  • Height: 36"
  • Depth: 28"
  • Overall Length: 42"
  • Product weight: 60 lbs

NOTE: This item does not qualify for free shipping. Please call for a quote at 800-919-2400.

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