About this boat
The ONJ Tender 820 is a fast open launch, described by the yard as a ‘gentleman’s speedboat’. It is a sturdy, no-nonsense boat designed for brisk cruising on wide inland waterways and sheltered coastal waters, but it is also suitable for leisurely cruising.
Specifications
Dimensions and weight
- Hull length
- 8.20 m
- Length overall
- 8.20 m
- Beam
- 2.43 m
- Draught
- 0.75 m
- Air draft
- 1.35 m
- Weight
- 2,200 kg
Engine
- Max. power
- 250 hp
- Fuel tank
- 120 l
Hull and construction
- CE category
- C
- Hull material
- Steel
Full description
Show full description
The hull measures 8.20 metres in length, with a beam of 2.43 metres and a draught of 0.75 metres. It is constructed using a hand-laminated fibreglass sandwich construction. The air draft is approximately 1.35 metres. The cockpit is open, with a helm and spacious seating; a double berth is available as an option.
The engine range extends from an 85 hp four-cylinder to a 250 hp six-cylinder. In its most powerful version, the boat can reach speeds of up to 30 knots. The 120-litre fuel tank is made of stainless steel.
It weighs approximately 2,200 kilograms. The boat falls within CE design category C. The yard also offers a diesel-electric powertrain for this model.




