1991 Waukesha 6 Positive Displacement Pump. Model: 6. S/N: 100980. Flow rate for new pump is 6 gpm with required horsepower and pressure. Discuss with salesperson your process and product to determine if this refurbished pump should handle your specific duty. Features include: easy cleaning and disassembly, three-way mounting options, and non-galling, Waukesha 88 alloy rotors. Seal option: double mechanical with water flush. This pump is 3A and BSICC approved. Overall dimensions: 1 ft. 1 in. L x 7 in. W x 9 in. H. (ACN46a).