RATO 22HP Engine Electric Start – 25.4mm Horizontal Shaft

The Rato R670DR is a 670 cc V‑Twin, air‑cooled, 4‑stroke OHV gasoline engine with an electric start and low‑oil shutdown system. Engineered for durability and performance, it's ideal for generators (10–12 kW), high‑pressure washers, agricultural equipment, and other industrial tasks requiring dependable torque and power

• Engine Type - 90° V‑Twin, OHV, air-cooled, horizontal shaft
• Model - R670DR (electric start + oil sensor)
• Displacement - 670 cc
• Bore × Stroke - 78 mm × 70 mm
• Compression Ratio - 8.1 : 1
• Net Power Output - 15.5 kW (≈ 20.8 hp) at 3600 rpm
• Net Torque - 45 Nm at 2500 rpm
• Shaft Size & Rotation - Ø25.4 mm (1″) horizontal shaft (CCW rotation)
• Ignition System - Transistorized magneto
• Starting System - Electric start with low‑oil sensor
• Lubrication System - Forced splash
• Oil Capacity - 1.5 L
• Recommended Oil - SAE 10W‑30, API SG / SF or higher
• Fuel Type - Unleaded petrol (octane ≥ 86)
• Governor System - Centrifugal mechanical
• Air Cleaner - Dual-element foam or paper
• Dimensions (L×W×H) - 457 × 351 × 460 mm
• Net Weight - ~45 kg
• Fuel Consumption - ≤ 374 g/kW·h

Freight to nearest Mainfreight Depot.