Ranger RS-750D Truck Spray Wash Cabinet with SkimmerRanger RS 750D Truck Spray Wash Cabinet with Skimmer Deluxe Dual Heaters Low Water Shutoff Sometimes a product is designed so well, hardly anything needs to change. That's how we felt about the RS 500D parts washer, but we also realized that some car and truck components are just too massive to fit in the cabinet. Plus, a larger enclosure means more parts can get washed in fewer cycles. That' why we made the RS 750D, the 53 gallon, 1,000 lbs. capacity