Alley Scrapers Patz 320 Alley Scraper The Patz Alley Scraper is designed for free-stall buildings, hog barns, and other uses. -Reduce expenses with time, labor and cost savings. -Minimize wear on tractor or skid-steer. -Scrape more often. -Automatically clean on a precise schedule - even while you sleep! -Installs easily any time in new or existing buildings. Power and simplicity for 285-foot (87 m) maximum scraped alley length and 900-foot (274 m) maximum circuit with four scrapers. One horsepower electric motor drives a worm gear speed reducer and heavy No. 80 roller chain to turn the 29.5-inch-diameter (749 mm) drum with 18-inch (457 mm) width. Includes reversing switch plus cable overwrap switch for protection. A switch also prevents the motor from starting when the guard is raised. All external grease fittings for convenience. Patz 1000 Alley Scraper The Patz Alley Scraper is designed for free-stall buildings, hog barns, and other uses. -Reduce expenses with time, labor and cost savings. -Minimize wear on tractor or skid-steer. -Scrape more often. -Automatically clean on a precise schedule - even while you sleep! -Installs easily any time in new or existing buildings. Planetary Speed Reducer (Highly efficient requiring lower horsepower, resulting in lower electrical usage.) #80 Roller Chain Drive 27-1/2" Diameter Drive Drum - 18-1/2" Wide 2" Replaceable Drive Drum Shaft Unique Roller Chain Tightener - Easy Adjustment All external grease fittings for convenience 1/2 HP Motor Drive for 2 Scraper System 3/4 HP Motor Drive for 4 to 6 Scraper System 1 Reversing Switch and 2 Over Wrap Switches for Protection Safety Interlock Adaptable to Most Competitive Control Panels Weather Cover (optional) 3/8", 7/16" or 1/2" Cable * 215 Foot Max. Scraped Alley Length with 1/2" Cable 250 Foot Max. Scraped Alley Length with 7/16" Cable 280 Foot Max. Scraped Alley Length with 3/8" Cable 850 Foot Max. Total Circuit Length with 4 Scrapers with 1/2" Cable 1000 Foot Max. Total Circuit Length with 4 Scrapers with 7/16" Cable 1100 Foot Max. Total Circuit Length with 4 Scrapers with 3/8" Cable