Robin Gasoline Engine EX Series 17 / 21 / 27 / 40

SPECIFICATIONS:

This multi-purpose single or twin cylinder engine, with horsepower ranging from 1.6hp to 22.0hp, has become the prime mover for pumps, generators, construction and agricultural equipment, fishing boats, tricycles, rail skates, and others.
| Model | Unit | EX17-2D / EX17-2DM | EX21-2D / EX21-2DM | EX-21B | EX-27D / EX-27DM |
EX-40D / EX-40DM |
|---|---|---|---|---|---|---|
| Type | Air-cooled, 4 cycle, slant single cylinder, OHC horizontal PTO shaft | |||||
| Max Hp | 6 | 7.0 | 7.0 | 9.0 | 14.0 | |
| Rating | KW | 4.4 | 5.1 | 5.1 | 6.6 | 10.3 |
| Bore x Stroke | mm (in.) |
67x48 (2.64x1.89) | 67x60 (2.64x2.36) | 67x60 (2.64x2.36) | 75x60 (2.95x2.36) | 89x65 (3.50x2.56) |
| Piston displacement | ml (cu.in) | 169 (10.31) | 211 (12.87) | 211 (12.87) | 265 (16.17) | 404 (24.65) |
| Continuous output | kWPS/ rpm |
2.6 3.5/3000 2.9 4.0/3600 |
3.2 4.4/3000 3.7 5.0/3600 |
3.2 4.4/1500 3.7 5.0/1800 |
4.4 6.0/3000 5.1 7.0/3600 |
6.3 8.5/3000 7.0 9.5/3600 |
| Maximum output | kWPS/ rpm |
4.2 5.7/4000 | 5.1 7.0/4000 | 5.1 7.0/2000 | 6.6 9.0/4000 |
Net 8.8 12.0/3600 Gross 10.3 14.0/3600 |
| Maximum torque | N*mkgf*m / rpm | 11.3 1.15/2500 | 13.9 1.41/2500 | 27.8 2.8/1250 | 18.6 1.9/2500 |
Net 27 2.75/2400 Gross 28.5 2.91/2400 |
| Direction of rotation | Counter clockwise as viewed from PTO shaft side | |||||
| Fuel | Automobile (unleaded) gasoline | |||||
| Fuel tank capacity | liter (US gal.) |
3.2 (0.85) | 3.2 (0.85) | 3.2 (0.85) | 5.6 (1.48) | 6.8 (1.80) |
| Lubricant | Engine oil SAE 10W-30, 20W, 30W | |||||
| Lubrication | Mechanical splashing type | |||||
| Lubricating oil capacity | liter (US gal.) |
0.6 (0.158) | 0.6 (0.158) | 0.6 (0.158) | 1.0 (0.260) | 1.2 (0.32) |
| Carburetor | Float type | |||||
| Starter | Recoil Starter | |||||
| Ignition system | Transistorised | |||||
| Spark plug | Torch EGRC (NGK, BR6HS) | |||||
| Governor | Centrifugal flyweight type | |||||