MM500 Gallon BioDiesel Processor Plans
Technical Support Included !
MM500 BioDiesel Processor Plans
MM500 BioDiesel Processor Plans
(online access only, printable)
Price: $750.00
MM500 BioDiesel Processor Plans
(online access + hard copy*)
Price: $790.00

Purchasing The Plans
By purchasing, you gain exclusive access to these great plans for 90 days.
During that time you can view, download, and print the plans as many times as you wish!
Login Information will be emailed to the email provided within 48 hours of payment.
*-Sales Tax will be charged to Michigan Residents
Learn More :
Downloadable Materials:
Printable MM500 Brochure (PDF)
MM500 Parts Kit Add-On*
(plans sold separately)
Price: $3,810.00+ shipping
*-Sales Tax will be charged to Michigan Residents
*-We ship internationally
*-Contact Us For Shipping Quote
MM500 Gallon BioDiesel Processor Plans
At 250 or 350 gallons per batch, the MM500 can produce a lot of fuel in a very short amount of time.

The MM500 was designed to be practical, cheap, reliable, and effective. This is a no-frills system that can be built by anyone with decent welding skills and a way to move a 1200 lb. tank.

Using common 500 Gallon residential type propane vessels, the MM500 plans will show you how to build your own farm-sized biodiesel processing system using a minimum of components while maximizing functionality and longevity.

The most unique aspect of the MM500 system is the way it makes use of common components and readily available surplus or scrap materials. When we say you can build the system for a total investment of about $5000, we aren't kidding and we aren't exaggerating. That's not a sales pitch, that's a fact.

Frequently asked questions can be found at the bottom of this document.
MM500 BioDiesel Processor System CAD
  • Batch Size: 250 - 350 Gallons (950 - 1300 Liters)
    Sealed Reactor for fumeless operation.
    Capable of Multiple Batches Per Day

  • Pump: Your choice or use our HVI series
    (we recommend the HVI-10 for 250-350 gallon batches)

  • Heating: Electrical 240 volts 1 Phase
    (Hot Water Boiler Optional)

  • Floor Space: 4’ Deep x 18’ Long x 11’ Tall

  • Operation: Manual Control
    (requires 2 man/hrs per batch)
    (Optional 50% Automation)

  • Cost To build: About $5000 with MM500 Parts Kit

  • Time to Build: Varies with facilities.

  • Special Skills Required: Basic welding, drilling, cutting and plumbing. Basic electrical skills.

  • Special Tools Required: Mig or Tig welder, Farm Tractor, Fork-Lift or other way to move heavy tanks.
MM500 BioDiesel Processor System
Downloadable Materials:
Printable MM500 Brochure (PDF)
MM500 Plans Drawings Preview
MM500 Plans Drawings Preview
MM500 Plans Drawings Preview
Definitely the most complete and professional set of BioDiesel Processor Construction plans available anywhere in the world!

The 3D computer generated graphics explaining each step of the construction process are amazing!

MM500 Parts Kit MM500 Parts Kit
MM500 Parts Kit Add-On
The MM500 Parts Kit will be shipped on a single pallet that weighs around 500 to 550 pounds. We take great care to ensure your biodiesel system parts and components will arrive in perfect condition.

Please be careful when unloading the boxes from your pallet as they frequently weigh greater than 60 to 100 pounds.

Actual Pallet Shipped. The quantity and size of boxes may vary - Murphy's Machines uses recycled packing materials.

The construction plans will guide you through the process of building your system, but the MM500 Parts Kit will save you thousands!! has done all the foot work. We’ve bargained and negotiated with our suppliers for high-volume pricing to bring you a bumper-to-bumper parts-package that includes all the hardware items you will need to build your system. Everything is there, from the Over-Sized HVI-10 High Volume Pump to the pipe fittings, hose-clamps, paint and even the Teflon Tape! We even include the insulation!

*See What Is Not In the Package Below

What is in the Package:

Pipe - We’ve included every pipe fitting, nipple, tee, bushing, ball valve and elbow you will need. For shipping reasons, the only pipes that are not included is any length larger than the pallet they ship on. See Here for an Exact List of what’s not included

You could easily spend $2500 or more on just your pipe fittings!

Our High Volume Discounts make a big difference here.

Heaters - Eight electric heating elements and thermostats to match. Enough to heat the reactor, wash tank and the dry tank for speedy processing. Reactor heating time is about 1 hour depending on ambient conditions.

That’s another $400 saved!

Reactor Pump - We include the MurphysMachines HVI-10. This monster 1.5 horsepower pump will deliver 150% of the volume required to ensure your reactions are completed in the least amount of time.

See the MurphysMachines HVI-10 Here for a better description!

That’s a $450 Value alone!

Murphy's Machines Pumps
Transfer Pumps - There are 4 other various pumps doing different things on the system and they are all included with the kit.
Titration Supplies - Its all there! Everything you need to test and titrate your oil.
What You Must Purchase:

Tanks - You will need to purchase four tanks. They can be found brand new for about $800 and commonly found used for around $100 to $350 each. We can help guide you!

Structural Steel -The tanks need to have legs. Legs can be made out of almost any heavy steel such as 4 inch angle iron, square tubing and even round pipe that is 4 inches or larger.
If you don’t already have some structural steel to work with, you will need to purchase 60 feet of it.
To be precise, you will need 12 lengths that are 5 feet long.

Pipe - When we ship the kit to you, it will come on a pallet. For this reason, it is not practical to include any long pipes which exceed the dimensions of the pallet. What does this mean? It means you will have to purchase about 20 Feet of 1 Inch Black Iron Pipe

Electrical - The kit includes heaters and temperature controllers (thermostats) but does not include any other items at this time. At a minimum, to make it run, you will need some standard 4 inch metal junction boxes and switches. (10 of each). You will also require wire and optional conduit.

All motors and pumps are included in the kit.

Miscellaneous Items - There are a few other things you will need to build your system. The kit does not include things like Mig Wire for you welder, wire nuts, electrical tape, and things of that nature. For instance, while we include the Paint, you’ll need a paint brush.

Scale - You will need a scale capable of weighing at least 20KG. Most postage scales and even some bathroom scales will work just fine. Accuracy should be a standard 5% or less.


What other costs are associated with building the MM500 Biodiesel system?

- With the plans and the optional parts kit add-on, you’ll need to run electricity and water to the unit. For the water, many farmers simply run a long garden hose. For the electricity, we recommend a minimum of a 240 volt, 100 amp service.

In addition to the above, a system of this size will usually require some kind of storage for your raw oil as well as the finished fuel.

How much does it cost to make Biodiesel?

- Generally, in most places in the USA, the current 2009 cost is around $0.90 to $1.10 per gallon. This would include chemicals and electricity.

Is the optional MM500 Parts Kit Add-on economical to purchase?

- That will mostly depend on where you live and what type of industry you are involved in. We make large bulk purchases of our plumbing fittings and related parts and we get rock bottom prices. We are able to mark up the parts, make our money, and still sell the kit to you at about half the cost of what you can purchase it for at your local hardware store or Home Depot or other super hardware center.

In addition to that, you get exactly what you need, and you get the correct parts for the job with our kit. You won’t spend your time hunting for the right bushings or have to substitute one part for another. Our parts kit will save you money and time.

What kind of parts will I need to make myself?

- None. We show you were to make your cuts in the tanks and most of the pipe fittings have been pre-cut to length. Due to the varying nature of the different kinds of tanks available, there are a few lengths of pipe you’ll be required to measure and have threaded. Most local hardware stores can thread pipe for you.

Do I have to use 500 gallon propane tanks?

- No. The instructions and parts kit will fit almost any cylindrical shaped pressure tank from 250 to 500 gallons in size.

Can the MM500 Biodiesel system incorporate a dry wash?

- Yes it can but it is not included in the plans. If you are interested in using a dry wash system, our best advice is to set up the MM500 with the wet wash, as designed, and then add the dry wash system later. We can help guide you to those who we know to be reputable suppliers of dry washing towers and we can help incorporate them into the MM500.

How hard is it to build the MM500 system?

- Not hard at all. The MM500 was designed to be built by the backyard do-it-yourself crowd. You need to be able to perform basic welding tasks and be capable of assembling threaded pipes and things of that nature. No specialized tooling required.

How long does it take to do a batch with the MM500 system?

- It generally takes about 24 to 48 hours to complete a single batch of finished fuel. With that in mind, the MM500 can have three different batches in three different stages of processing at any one time. The end result is that you’ll get a finished batch of fuel every 24 hours. Remember that the MM500 system can be expanded to greatly increase that volume. Some of our customers have 5 or 6 batches in process at the same time and they get a load of fuel every 6 to 8 hours or more!

How much biodiesel can the MM500 produce?

- The basic MM500, as set up in the plans, will produce around 1500 gallons per week but can be expanded to produce up to 5000 gallons with the addition of extra processing tanks.

What about training and support services?

- We provide virtually unlimited support and training through email and telephone. Our instructions have been refined and formatted to a quality standard that reduces or eliminates most customer inquiries. That said, we are always around for that special unexpected circumstance that requires our input. We enjoy teaching and we enjoy the experience of watching a customer go though the learning curve and arrive at the other side. You would be hard pressed to find better support services anywhere and we answer our phone 7 days a week.

What maintenance is required to run the system?

- Almost none. There's a water filter and a couple of spin-on fuel filters at the end of the system that will require changing every now and then. Most customers have to change them about once every 5,000 gallons or so.

Does the MM500 system include information on collecting the waste oil?

- No. The best way to collect the oil is to build a super sucker. You can find more information on that by visiting the following link:

How long does it take to get the MM500 parts kit?

- Our parts kits are custom built per customer order. From the basic four tank parts kit, to the customized packages many clients want, we build each kit for each individual customer. Lead times usually run two to three weeks to ship.

Can the MM500 process any other oils beside vegetable oil?

- Yes! The system can make use of animal fats (tallow), chicken fat, fish oils, and new or used vegetable oils.
You can not make biodiesel from Motor oil or any other petroleum type product.

Is the MM500 a heated system?

- Yes. The MM500 is heated electrically but there are provisions and pipe ports for an external boiler hookup.

Can this system be placed outdoors?

- Yes but you’ll need to take special precautions to protect the electrical systems and a few other details. There are several MM500 systems operating outdoors without problems.

How many people does it take to run the system?

- One person working part time can operate the MM500 system and all of its supporting operations. Most of the real work takes place collecting the oil as opposed to making the fuel. With the installation of our optional automation control panel kit, a single batch in the MM500 will generally require about two or three man hours of labor from start to finish.

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