This low pressure diaphragm pump consists of polypropylene materials to handle use with many common agricultural chemicals, as well as some of the more aggressive ones, making it ideal for agricultural spraying, lawn care, turf spraying, de-icing, firefighting, liquid fertilizing, boom spraying, and much more. PLEASE NOTE!!! Free Freight* Does not apply to this item. We will invoice the freight prior to shipping. Specifications: Max. Flow: 11.4 gpm Max. Pressure: 290 psi Max. Rated Speed: 550 RPM Max. Fluid Temperature: 140° F Max. Power: 2.1 HP Port Sizes: 1 1/4" inlet, 1/2" HB outlet, 3/4" HB bypass Shaft: 3/4" hollow shaft for gas engine mount Reinforced polypropylene, Kynar, and AISI 316 L liquid handling parts Three semi-hydraulic Viton diaphragms Viton seals Die-cast casing with oil-immersed mechanism Oil drainage stopper Precision die cast crankcase shell AISI 304 SST fasteners Heavy duty mounting rails Rugged feet secured to pump casing Weight: 40 lb. Shaft: 3/4" solid keyed Bore x stroke: 68 x 45 mm Displacement: 163 cm3 Net power output: 4.8 HP (3.6 kW) @ 3600 rpm Net torque: 7.6 lb-ft (10.3 Nm) @ 2500 rpm PTO shaft rotation: Counterclockwise from PTO shaft side Compression ratio: 9.0 : 1 Lamp/Charge coil options: 25W, 50W / 1A, 3A, 7A Carburetor: Butterfly Ignition system: Transistorized magneto Lubrication system: Splash Governor system: Centrifugal mechanical Air cleaner: Dual element Oil capacity: 0.61 US qt. (0.58 L) Fuel tank capacity: 3.3 US qts (3.1 liters) Fuel: Unleaded 86 octane or higher Dry weight 33 lbs (15.1 kg) Dimensions: 12.2 in long x 14.3 in wide x 13.6 in high (312 x 362 x 346 mm)