COX CPH680-3EI Horizontal Shaft Engine – 23hp (V-Twin, EFI, E-Start) Overview The CPH680-3EI is a full-commercial grade 679cc V-Twin petrol engine featuring Electronic Fuel Injection (EFI) and electric start. Built for industrial, construction, and commercial applications, it delivers 23hp and 47 Nm of torque through a 1" keyway shaft. Its cast iron cylinder liner and rugged build ensure long-term reliability across augers, skid steers, compressors, and hovercraft. Key Features 23hp Rated Power at 3900 rpm 679cc V-Twin Displacement 47 Nm Max Torque Electronic Fuel Injection (EFI) 1" Keyway Shaft (Horizontal PTO) Electric Start System Engine Oil Capacity: 1.5 L (SAE 10W-30 recommended) Engine Dimensions: 595 × 595 × 530 mm Net Weight: 43 kg Certifications: Euro V Applications: augers, farming machinery, diggers, skid steers, compressors, hovercraft Specifications Attribute Detail Model CPH680-3EI Product Type Horizontal Shaft Engine Displacement 679 cc Rated Power 23 hp Rated Torque 47 Nm Cylinder Bore x Stroke 78 × 71 mm Max Output Speed 3900 rpm Idle Speed 1750 ± 150 rpm PTO Shaft Size 1" Keyway Shaft Starting System Electric Fuel System Electronic Fuel Injection (EFI) Engine Oil Capacity 1.5 L Recommended Oil SAE 10W-30 Specific Fuel Consumption ≤ 370 g/kW·h Engine Dimensions (L×W×H) 595 × 595 × 530 mm Net Weight 43 kg Certifications Euro V SKU CPH680-3EI