| Model |
KOSHIN STH-50X |
KOSHIN STH-80X |
KOSHIN STH-100X |
KOSHIN STR-50EX |
KOSHIN STR-80EX |
| Pump |
Connection Dia |
50 mm (2″) |
80 mm (3″) |
100 mm (4″) |
50 mm (2″) |
80 mm (3″) |
| Connection Thread |
Outer Pipe Thread BSP |
| Total Head |
29 m (95 ft) |
26 m (85 ft) |
28 m (92 ft) |
30 m (98 ft) |
28 m (92 ft) |
| Delivery Volume |
600 L/min (158 USG/min) |
900 L/min (238 USG/min) |
1450 L/min (383 USG/min) |
580 L/min (153 USG/min) |
930 L/min (246 USG/min) |
| Max. Suction Head |
8 m (26 ft) |
| Engine |
Type |
Forced Air-cooled 4-stroke Gasoline Engine |
| Model |
Honda GX120 |
Honda GX160 |
Honda GX240 |
Subaru EX16 |
Subaru EX17 |
| Exhaust Volume |
118 cc |
163 cc |
270 cc |
169 cc |
169 cc |
| Rated Output |
2.1 kW (2.9 PS) / 3600 rpm |
2.9 kW (4.0 PS) / 3600 rpm |
4.6 kW (6.3 PS) / 3600 rpm |
2.2 kW (3.0 PS) / 3600 rpm |
2.9 kW (4.0 PS) / 3600 rpm |
| Max. Output |
2.6 kW (3.5 PS) / 3600 rpm |
3.6 kW (4.9 PS) / 3600 rpm |
5.9 kW (8.0 PS) / 3600 rpm |
3.2 kW (4.3 PS) / 4000 rpm |
4.2 kW (5.7 PS) / 4000 rpm2.0 L (0.53 USG) |
| Fuel |
Automotive Unleaded Gasoline |
| Fuel Tank Capacity |
2.0 L (0.53 USG) |
3.1 L (0.82 USG) |
5.3 L (1.40 USG) |
3.6 L (0.95 USG) |
3.2 L (0.84 USG) |
| Continuous Oparating Time |
Approx. 3 hrs |
Approx. 2 hrs |
| Starting Method |
Recoil Starter |
| Standard Accessories |
1 Strainer, 2 Hose Couplings, 3 Hose Bands, 1 Engine Tool Set, 1 Spanner |
| Gross Weight |
25 kg (55.1 lbs) |
35 kg (77.1 lbs) |
64 kg (141 lbs) |
28 kg (61.7 lbs) |
34 kg (74.9 lbs) |
| Dimensions LxWxH (mm) |
500 × 395 × 415 |
525 × 389 × 473 |
665 × 472 × 655 |
665 × 472 × 655 |
530 × 405 × 405 |
| Packing Unit |
1 |
