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Joraform Compost Tumbler JK400


In a nutshell....

The Jora Compost Tumbler is a Rotary Composter, also called JK400. It is a fast working composter that can recycle alot of kitchen and garden waste each day. Much faster than other composters, it has a capacity of 14.2 cubic feet. Back in stock now for immediate delivery

JK400 Joraform Compost Tumbler

Back in stock mid November 

This jora rotary composter is the extra large version. We can't believe how quick and efficient this composter is. It takes up very little room and composts so fast you struggle to keep it full. No rodent problems or strong smells, fits easily in a small garden. You can even add cooked meat and fish waste! The compost digester is like a large mechanical stomach that literally digests the organic matter you feed it. A fully insulated  bin that bolts on to the side of your house, it’s clean, self-contained, and it turns food waste into rich compost faster than the average household can fill it. The Jora compost tumbler is so well insulated that the internal temperature reaches around 75 degrees centigrade. At that kind of temperature the micro-organisms work so fast that you can almost see the food breaking down before your eyes

Composting occurs at temperature intervals of+2 to +78C. Different micro-organisms work at different temperature intervals. Higher temperatures give a higher degree of hygienic composting, and are, therefore, more favourable.With equal moisture distribution and oxygen configuration in the Jora unit, plus with continued addition of waste, the temperature will rise to 65-75C. You don't have to buy a thermometer, as you will see the steam rising from the contents. In fact, it can get too hot to bury your hand in it - should you wish to do so!

Two Compartments for Maximum Results
The digester is divided into two compartments. When the first compartment is full (approx. 6 weeks) it is covered with a metal plate (provided). When the second compartment is full the first can be emptied of its’ finished compost.

Features & Benefits:
'Continuous-use' dual chamber composter
Durable, rust proof galvanized steel construction
Holds 14.2 cubic feet (106 gallons) of compost
Operating capacity: 13-21 gallons per week
Side vents provide aeration, and speed up composting
Reduces or eliminates odors
Fully-enclosed and pest resistant
Rodent proof - elevated so rodents cannot access waste
Set up to be either freestanding or mounted

Exterior: galvanized, powder-coated steel panels
Insulation: 2.16" polyethylene - a stable, non-toxic plastic
Stand: galvanized steel
Stainless steel hardware

Remember these units come in a box so need to be assembled. That said we have a great Youtube Video on our channel to show you how to do this which is well worth watching.

Rotating Compost:
Easy to rotate - simply turn by hand after adding waste
Fresh waste is brought into direct contact with decaying waste
Adds air to the mixture, providing oxygen that is vital for the process

Dimensions: 139.7cm (55in) L x 81cm (32in) W x 134cm (53in) H

Write a Review
Anna Hoyt
January 17th, 2020
Jorafom is top of the line, this one is very big but a few of us went in on it together last yr. and we are very happy with it so far.
S. McEnroe
January 17th, 2020
Maria Kilmartin
December 04th, 2019
We have a busy Bed and Breakfast that has 12/14 people in the busy time. This unit has cut my bills for waste substantially and given me more than enough compost for our new garden that we grow a part of our own food. Anyway whats not to love. Full circle wasste to compost and back to the table
Elaine M.
October 11th, 2019
Got this through your email ad and once I got it put up I was very pleased with it. It attached easily to my wall out back too. Good size too.
Acke Hatzis
October 11th, 2019
Joraform bin is v good this bigger j is good for me and cafe in dundrum.
Bernie Leyden
October 10th, 2019
We ordered this compost bin for our school where we have a lot of food waste. We have not had it for very long but it is working well and waste is breaking down quickly. I can't see how it would work for food without pellets so would say definitely get some. Not very easy to put together, it took us some time and plenty of choice words but pleased with the result!
Ask a Question
Asked By Gina Hetherington
on November 27th, 2021
Hi We are looking for rodent proof feed bins for bags of dog feed. They would need to store 15 to 20 15kg bags each. Do you think this type of bin would be suitable? Can you stop the spin mechanism?
Answered by Niall
on November 29th, 2021
Hi Gina These are certainly rodent proof if you want to use them for storage. It is difficult to work out from weight what volume of the feed you want to store you could get in them but at a guess i would say it may be closer to 12/15 bags that it would hold. You can't stop the spin on the unit however with that weight in it won't spin at will so you can keep the doors at the top and empty from there never needing to spin at all to access the food Niall Quickcrop
Asked By Lynsay
on August 23rd, 2021
Hi,could you tell me when the JK400 Joraform compost tumbler will be back in stock? I think I'll need this size, I run a small horticultural farm & want a more efficient way of making compost. Roughly how much weight can it take daily? Also can you guys erect it? If yes what would the fee be? Thank you
Answered by Niall
on August 24th, 2021
Hi Lynsay We have our new stock of JK400's coming in to us the last week in September/first week in October. We will be taking pre-orders for them from mid September. This unit takes 15/20 gallons of waste a week which is quite a volume to be honest. It would cost €150 to send it built. I am afraid it is not the cost of building it that is the issue it is the transport as it has to go on a double pallet rather than just 2 courier boxes so the cost of transport is a lot more and i am afraid we can't build on site Niall Quickcrop
Asked By David Bruns
on August 07th, 2021
Hello, What are the weight and measurements of the shipping package for the JK 400? I want to see if it can be checked in on an air flight.
Answered by Niall
on August 09th, 2021
Hi David The JK400 can be broken in to 3 parcels all weighing less than 30kg with rough dimensions of 1.8m x 1.2m x 0.3m. We can ship anywhere in Europe if that helps. For a charge but it is not crazy Niall Quickcrop
Asked By Stephen Pill
on April 26th, 2021
Another size question: while I've seen your answers to those asking about 2 people households, we, while only 2, have 2 full size allotments and currently run 14 dalek compost-bins, filling 3-4 at a time while the others (full) rot down. Produce goes to many others though we don't get their food waste back. We manage the site and harvest a lot of comfrey, weeds and bush shreddings as well, often producing a full dalek or more of new material at a time in late Spring. Our bins are slow, I know, being mostly in shady places, but I still feel doubtful at the tumbler's capacity to swallow all this, even the JK400. Is there a point at which it becomes more efficient to have a big NZ bin arrangement, similar to but smaller scale than Charles Dowding's? Feeding in and distributing a big quantity through a small hole must be tedious.
Answered by Niall
on April 26th, 2021
Hi Stephen The New Zealand composters are brilliant but slow in winter particularly. A bit like your Dalek composters. Also wood food waste they can attract vermin. The door on the JK400 is actually quite big and to be honest the volume of compost they get through due to the heat is immense. That said there is a lot of filling and emptying but it works fantastically. If it was me i would maybe look at a JK400 in conjunction with a NZ double composter. One the produce comes out of the JK400 it can go in to the first of the NZ composter sides and then can transfer for complete finishing in the other side quite quickly Niall Quickcrop
Asked By Kathryn Marsh
on March 28th, 2021
Hi Niall, How does the volume of finished compost from the Joraform compare with the volume from a similar quantity of ingredients in a standard New Zealand box?
Answered by Niall
on March 29th, 2021
Hi Kathryn Due to the fact that the Joraform gets through compost so quickly over a year it will produce the same amount of compost as a double bay New Zealand composter. Niall Quickcrop
Asked By Michelle Hall
on March 01st, 2021
can I add cardboard in my composter as well as cooked and raw food?
Answered by Niall
on March 01st, 2021
Hi Michelle You certainly can. Just make sure to tear it up as will break down faster if you do it this way Niall Quickcrop
Asked By Sinead
on October 31st, 2020
Hi we have just moved to a property with 0.5 acre & a garden that needs a lot of tidying up! We always have a lot of household food waste- we are 2 adults but cook, bake and grow our own veggies...would this be required to meet our needs or the “big pig”? Thanks in advance
Answered by Niall
on October 31st, 2020
Hi Sinead The JK400 is really for bigger environments like a small cafe or guesthouse etc. The Big Pig JK270 should be plenty for your needs. I have a very similar set up to you with 4 in the house and the JK270 powers through all our needs Niall Quickcrop
Asked By stephen sullivan
on September 23rd, 2020
why the 400l one so expensive? two 270 better value!
Answered by Niall
on September 23rd, 2020
Hi Stephen Believe it or not it has more materials and due to the bulk of it the transport costs are a lot more as it can't go by standard couriers. A fair question all the same. Niall Quickcrop
Asked By Georgina Keane
on September 21st, 2020
Hi, I recently purchased the big pig as per your recommendations but it seems way too small for what we need. I'm starting to think that we have had the wrong size sent out to us? If it is that this is the correct size then we could do with a heap of them! The first side was full in a week and the second side full the following week. I've now no room left to compost? How can I know I've been sent the right size and what am I doing wrong that I've both sides full and no room left to compost? Do I have to wait 6-8 weeks for each side to break down? Thinking I probably needed the jk400 at this rate?
Answered by Niall
on September 22nd, 2020
Hi Georgina Send a photo to our customer service department through the contact page on the website and we can tell you straight away. It is clearly marked on the boxes that it came in. I am not sure if you have looked in the chambers since you filled them but if you have put in the right mix it will have shrunk considerably over the period of a week. I recently started using a JK270 for my family of 4 and large garden and i have filled one side fully 3 times and i am still adding as the heating process in it is breaking down the composted material so fast. But send us the photos and i am happy to call you to discuss if you like Niall Quickcrop
Asked By Georgina Keane
on September 02nd, 2020
Hi. I am looking to buy a jotaform compost tumbler but uncertain what size I should buy? Thinking it would be between the big pig or jk400? We are 2 people in the household (so waste from a kitchen if 2 people), we have 4 chickens with waste from their coup to go in and we also have a very big garden (our bungalow sits on half an acre although some of that is a stone driveway). If you can please advise which size you think would be best for us? Plus how big are they physically so we know how big they would be at the side of the house? Thank you!
Answered by Niall
on September 02nd, 2020
Hi Georgina You will have plenty of capacity with the JK270. Even with a big garden and chickens it will get through all you need. I have a similar set up along with 2 kids and the JK270 is ample for my needs as it composts very fast Niall Quickcrop
Asked By Patrick Mc Intyre
on July 13th, 2019
Hi I am looking to buy a Composter but I am not sure of which size would suit me capacity wise When I mean capacity I don’t mean outport I mean the capacity of storage in terms of being put in. So to clarify my question if I have a garden and I am mowing the grass how much grass can I put into the compost or from a standard Lormore bag could I put a whole garden is cut or would I need to consider a larger unit down the 400. Approx garden size is 22m x 11.5 + 19m x 6m Total size approx 370 sqm I don’t have space for a large comparing zone with kids in the garden
Answered by Niall
on July 15th, 2019
Hi Patrick The Joraform 400 with take a lot of waste however when adding in grass you need to be careful to add it in brown waste such as shredded paper, cardboard etc at the same time as adding the grass waste or you will end up with a mix that is very wet and won't generate heat which is what you need to break down the material and make good compost. If you want more information just call me in the office and we will have a chat on this. Regards Niall Quickcrop
Asked By Noreen O'Byrne
on July 24th, 2017
how do you rotate the bin? Is there a winding handle you use? And how difficult is it to use? I have back problems are need a composter that is super easy to use.
Answered by Andrew
on July 24th, 2017
Hi Noreen. The JK400 compost tumbler has a steel cross piece on one side which is the handle used for rotating the bin. I don't know how severe your back problem is or how much waste you need to process but it may be better to go for a smaller unit like the JK270 or JK125. Please feel free to call me in the office or email me at quickcrop@gmail.com if I can be of any more assistance.
Asked By Sinead dwyer
on March 24th, 2017
How do I get compost out ? I have a baby pig and I put stuff into both sides is that right
Answered by Andrew
on March 27th, 2017
Hi Sinead. You remove the compost by opening the hatch and rotating the bin so the material falls out. The method it to use one chamber until it is nearly full before moving on to the next one. You should only be adding material to one chamber at a time, the other should be allowed to fully compost before switching back again.
Asked By Ian
on June 12th, 2016
How do you decide on the best size? There are only two of here but we do produce a lot of compostable waste from the kitchen, from veg plot, flower garden and two acres of which about half is grassed and half woodland we planted 25 years ago. Will the results be anywhere near as good as equivalent up to 70 bags of Envirogrind for the large tumbler!!!
Answered by Andrew
on June 13th, 2016
Hi Ian. Its a very good question. For a household with 2 people with just kitchen waste and a small bit of garden waste the JK125 would be what we would normally recommend however you have a large garden and will obviously be producing a lot of garden waste so it sounds like the JK270 would be your best bet. The JK400 would definately be to large. The great thing about the Joraform composters is that you will continue to produce your own compost in good quantities for years to come. You could buy the compost directly but you will have to do that year in year out. So once you have stomached the cost of the tumbler it continues to pay for itself.
Joraform Compost Tumbler JK400
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