Coupler Compatible Pump Shaft Size 15/16 in Compatible RPM for PTO Shaft 1 000 RPM Compatible with Brand Delavan Hypro Compatible with Grainger Part Number 55NL47 55NL48 55NL51 55NL52 55NL53 Compatible with Manufacturer Model Number 26556-4 8900C 8900C-R 8900DSS 8900DSS-R Compatible with Series 7900 8900 T90 Connection Type Quick Connect Product Type Quick Connect PTO Coupler Connection Size 1 3/8 in Manufacturers Warranty Length 2 yr