Vilter 452XL Ammonia Compressor We have a Vilter 452 XL on hand, used sold as is or can rebuild. Email Gad at dennis@a-r-s-s.com or call 920-850-1496 for pricing. Specs: Vilter 452 XL 15 HP Motor 2 Cylinder Water Cooled Oil Cooler Oil Separator Common Steel Frame Belt Guard