For folks needing a larger capacity milker for their animals, EZ Animal Products now has the Ultimate EZ Bucket Milker which holds 3.2 gallons (12 liters) of milk and will milk all four teats on a cow (or two separate goats or sheep at once).
The Bucket Milker is powered by the EZ Power Pak, utilizing 18- or 20-volt cordless drill batteries.
To see the Ultimate Bucket goat milker in use, watch the video below: