COX CPH680-1HDF Horizontal Shaft Engine – 22.5hp (V-Twin, E-Start, Cyclonic Air Filter) Overview The CPH680-1HDF is a full-commercial grade 679cc V-Twin petrol engine designed for high-demand industrial, agricultural, and specialty applications. Featuring a heavy-duty cyclonic air filter and electric start system, it delivers 22.5hp and 46 Nm of torque through a 1" keyway shaft. Its cast iron cylinder liner and rugged build make it ideal for augers, skid steers, compressors, and even hovercraft. Key Features 22.5hp Rated Power at 3900 rpm 679cc V-Twin Displacement 46 Nm Max Torque 1" Keyway Shaft (Horizontal PTO) Electric Start System Heavy-Duty Cyclonic Air Filter Engine Oil Capacity: 1.5 L (SAE 10W-30 recommended) Engine Dimensions: 550 × 550 × 530 mm Net Weight: 43.5 kg Certifications: CE, EC(V), EPA, CARB Applications: augers, farming machinery, diggers, skid steers, compressors, hovercraft Specifications Attribute Detail Model CPH680-1HDF Product Type Horizontal Shaft Engine Displacement 679 cc Rated Power 22.5 hp Rated Torque 46 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 Air Filter Type Cyclonic Engine Oil Capacity 1.5 L Recommended Oil SAE 10W-30 Specific Fuel Consumption Not specified Engine Dimensions (L×W×H) 550 × 550 × 530 mm Net Weight 43.5 kg Certifications CE, EC(V), EPA, CARB SKU CPH680-1HDF