COX CPT40 4" Water Pump – 9hp Overview The CPT40 is COX’s highest-capacity petrol water pump, engineered for large-scale commercial, agricultural, and emergency use. Powered by the CPH270 engine, it delivers an immense 105,000 litres per hour with a 25m head lift and 6m suction head. Its centrifugal open-impeller design and 4" inlet/outlet ports make it ideal for flood recovery, dam transfer, and bulk irrigation. With EPA-compliant emissions and a rugged build, it’s built for serious performance. Key Features CPH270 Petrol Engine with 9hp output Centrifugal Open-Impeller Pump for ultra-high flow 105,000 L/hr Max Flow Rate 25m Max Head Lift 6m Max Suction Head 4" (100mm) Inlet/Outlet Ports Recoil Start System Fuel Tank Capacity: 4.6 L Engine Oil Capacity: 0.6 L (SAE 10w-30 recommended) Packing Dimensions: 64 × 47 × 57 cm Net Weight: 37kg EPA-Compliant Emissions Applications: flood recovery, dam transfer, bulk irrigation Specifications Attribute Detail Model CPT40 Product Type Petrol Water Pump Engine CPH270 Displacement 272 cc Rated Power 9 hp Rated Torque 15.5 Nm Pump Structure Centrifugal / Open Impeller Max Flow 105,000 L/hr Max Head Lift 25 m Max Suction Head 6 m Inlet/Outlet Ports 100 mm / 100 mm Starting System Recoil Engine Oil Capacity 0.6 L Recommended Oil SAE 10w-30 Fuel Tank Capacity 4.6 L Packing Dimensions 64 × 47 × 57 cm Net Weight 37 kg Emissions/Seal EPA SKU CPT40