FH641D
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4 Stroke
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Horizontal Shaft
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V Twin
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Overhead valve
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Air Cooled
- Pressurised lubrication
- Dual element air filter
- Internally vented carburetor
- Cast iron cylinder liners
- Overhead V-valves
- Rotating grass screen
- Overview
- Options
- Dimensional Specifications
- Related Models
- Related Applications
Overview
Options
Dimensional Specifications
Related Models
Related Applications
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Technical Specifications
Engine Type | Air-cooled, 4-stroke, Horizontal shaft, OHV |
Number of cylinders | 2 |
Bore x stroke | 75.2 x 76 mm |
Displacement | 675 cm³ |
Max. power | 13.6 kW (18.2 hp) / 3600 rpm |
Max. torque | 46.4 Nm (34.2 ft.lbs) / 2000 rpm |
Oil capacity (litres) | 1.6 litres |
Dry weight | 44.5 kg |
Dimensions (L x W x H) (mm) | 349 x 430 x 492 |
Performance curves
The power rating of this engine is the Net power rating tested on a production engine and measured in accordance with SAE J1349.
Actual power output will vary depending on numerous factors, including, but not limited to, the operating speed of the engine in application, environmental conditions, maintenance, and other variables.

- Shaft variations
- Various speed control system
- 13 or 20 Amp charge coil
- Various oil drains
- Oil pressure switches
- Flywheel PTO