COX CPH420-3 Horizontal Shaft Engine – 12.5hp (Recoil + E-Start) Overview The CPH420-3 is a powerhouse petrol engine built for heavy-duty applications across farming, construction, and industrial machinery. With a 420cc displacement and 27 Nm of torque, it features a 1" keyway shaft and dual recoil/electric start system. Certified by CE, EC(V), EPA, and CARB, it’s engineered for reliability and performance in high-demand environments. Key Features 12.5hp Rated Power at 3600 rpm 27 Nm Max Torque 420cc Displacement 90 × 66 mm Bore/Stroke 1" Keyway Shaft (Horizontal PTO) Dual Start System: Recoil + Electric Fuel Tank Capacity: 7.5 L Engine Oil Capacity: 1.1 L (SAE 10W-30 recommended) Engine Dimensions: 480 × 425 × 505 mm Net Weight: 30.5 kg Certifications: CE, EC(V), EPA, CARB Applications: generators, grain lifters, construction machinery Specifications Attribute Detail Model CPH420-3 Product Type Horizontal Shaft Engine Displacement 420 cc Rated Power 12.5 hp Rated Torque 27 Nm Cylinder Bore x Stroke 90 × 66 mm Max Output Speed 3600 rpm Idle Speed 1650 ± 150 rpm PTO Shaft Size 1" Keyway Shaft Starting System Recoil + Electric Combo Engine Oil Capacity 1.1 L Recommended Oil SAE 10W-30 Fuel Tank Capacity 7.5 L Specific Fuel Consumption ≤ 370 g/kW·h Engine Dimensions (L×W×H) 480 × 425 × 505 mm Net Weight 30.5 kg Certifications CE, EC(V), EPA, CARB SKU CPH420-3
