The Yanmar 1GM10 Marine Diesel Engine is a high-performing, single-cylinder, 4-stroke diesel engine designed for small to medium-sized boats. With a power output of 9hp at 3600 rpm, this compact and robust engine is ideal for sailboats, smaller fishing vessels, and other marine applications requiring reliable, fuel-efficient propulsion. The 1GM10 is known for its smooth operation, low noise levels, and minimal vibration, ensuring a comfortable onboard experience.
The engine features direct raw water cooling, which is simple yet effective, and provides enhanced cooling in marine environments. Its durable construction and high-quality materials ensure it withstands the challenges of constant use, saltwater exposure, and varying operating conditions.
Technical Specifications:
- Engine Model: 1GM10
- Engine Type: Vertical, single-cylinder, 4-stroke, diesel
- Displacement: 0.318 litres (318 cc)
- Bore x Stroke: 75 mm x 78 mm
- Power Output: 9hp (6.62 kW) at 3600 rpm
- Compression Ratio: 22:1
- Cooling System: Raw water cooling
- Fuel System: Mechanical fuel injection
- Fuel Consumption: Approx. 1.0 litre/hour at cruising speed
- Starting System: Manual
- Direction of Rotation: Counterclockwise (viewed from flywheel)
- Alternator Output: 12V – 35A
- Engine Weight: Approx. 72 kg (dry weight)
- Gearbox Type: KM2P – Mechanical cone clutch, 2.21:1 reduction
- Lubrication System: Forced lubrication with trochoid pump
- Oil Capacity: 1.5 litres
- Fuel Tank Capacity: User-defined (external fuel tank recommended)
Key Features:
- Compact Design: The 1GM10 is small and lightweight, making it ideal for limited engine compartments.
- Raw Water Cooling: Efficient cooling system suited to marine environments.
- Durability: Built from high-quality materials for long-lasting performance in saltwater conditions.
- Fuel Efficient: Consumes only around 1.0 litre of diesel per hour at cruising speeds.
- Low Noise and Vibration: Engineered for quiet operation and reduced vibration, enhancing onboard comfort.
Yanmar is a world leader in the production of marine engines, offering innovative and dependable solutions. The Yanmar 1GM10 is a perfect example of Yanmar’s commitment to quality, durability, and fuel efficiency, designed to provide dependable power for small to medium-sized boats.
Yanmar 1GM10 engine is available with three transmission options for marine applications. The KM2P-1 is a mechanical marine gear that provides smooth operation with a hydraulic clutch and selectable gear ratios. The SD25 SailDrive is a compact, low-vibration system that integrates directly with specific Yanmar engines like the 1GM10 and 3YM series, offering enhanced performance for sailboats. Additionally, bobtail engines are available, which are complete engine replacements for both stern drive and inboard applications, including essential systems such as fuel, electrical, cooling, and exhaust.
