I have a Breville brand juicer, 700 watts. You can get larger sizes. The one I have works really well and I can put the parts in the dishwasher to clean instead of dealing with messy cleanup. I bought it on Amazon.
Here is the link (not an affiliate link, it's just a link to the product)
Amazon.com: Breville BJE200XL Compact Juice Fountain 700-Watt Juice Extractor: Kitchen & Dining