Where can I find exercise equipment built for tremendously hard to digest folks?

I am a very heavy soul, right now I weigh a little over 400lbs. I own decided to make a evolution and start exercising. I have been looking into different exercise machines but I haven't be able to find any that can handle my cargo. Most have a weight cut back of 250-300lbs. Is there anyone else out there who might hold had this experience and could give me a few pointers on where on earth to look. Also I am wondering what would be the best type of exerciser to get to burn fat. I know cardio machines are built for that but within are many types and one that wouldn't be hard on my knees would be great.
Answers:
Answer on the Concept 2 website: 500 lb curb.

Try www.concept2.com . They are very strong machines. Even if the standard machine is not competent to handle your weight, custom device with a sturdier tube and legs should be no trouble to manufacture. Mine have a 1/8 inch stainless steel frame tube and legs.

Resistance on a rowing machine is, really, as hard as you want to verbs. Some excellent weight loss stories on their forums. Source(s): I've owned a Concept 2 rowing machine for 23 years.

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