This depends mostly on where you purchase the parts from and if you acquire them separately. Typically, if you buy a bread machine as a complete item, then the warranty on the parts will be the same as on the general bread machine, if indeed it exists at all. Some companies provide a warranty agreement that covers all electronic products (so the bread machine might have the same warranty as an smoothie maker for example). Generally, when the warranty is separate for a bread machine, it 1 to 3 years in length.
They generally have a one year parts and labor warranty.
Maytag washers come with a 1-year warranty that covers both parts and labor for the machine.
Drive belts
The warranty is advertised as America's best. It is generally 10 year / 100,000 miles for the warranty for the powertrain but can be lower for other parts of the car.
This depends on what type of warranty you are being offered. Generally, warranties don't cover the big and most expensive parts of the car. Watch for a powertrain warranty, those are generally the best and most worth the cost.
The Singing Machine models come with one year warranties on all parts, but usually last much longer.
Panasonic units generally have a warranty that is not as great as Emerson. Emerson has a 3 year warranty on microwave magnetron parts, while Panasonic has a limited 1 year warranty on its microwave.
Sure, you can definitely find a refurbished espresso machine with a warranty. Check out http://www.1stincoffee.com/refurbished.asp where some of their machines even come with a full year warranty on parts and labor.
The warranty only covers issues wuth defects it does not cover parts. The Espresso machine is covered by a 1 year warranty against defects only.
the steamboat
I doubt it, brakes and brake components are generally considered "wear parts" or "Maintenance items". You will need to carefully read your warranty to find out for sure.
Some places will give you a warranty on used auto parts, like auto parts stores that are selling used parts. If you get it from a junk yard though, buy at your own risk.