T Series, 47, Triplex Plunger Pump, Solid Shaft-Forged brass manifold with an exclusive lifetime warranty. Heavy-duty tapered roller bearings and oversized connecting rods for maximum life. Triplex Plunger Pump Maximum Volume: 4.5/5.6 GPM' Maximum Discharge Pressure: 3000/1700 PSI Maximum Inlet Pressure: 125 PSI Maximum Pump Speed: 1125/1450 RPM Minimum Horsepower Requirements: 11.5 bhp (17.3 hp for gas engines) Bore: .787" (20mm) Stroke: .630" (16mm) Crankcase Capacity: 40.6 oz. Nondetergent SAE 30W oil Maximum Fluid Temperature: 165 degrees F. Inlet Port Thread: 1/2" FPT Discharge Port Thread: 3/8" FPT Shaft Diameter: .945" (24mm) Dimensions: 12.2" x 9.2" x 6.9" Weight: 32 lb.