| Model | KOSHIN SEV-50X | KOSHIN SEV-80X | KOSHIN SEV-25L |
| Pump | Connection Dia | 50 mm (2″) | 80 mm (3″) | 25 mm (1″) |
| Connection Thread | Outer Pipe Thread BSP |
| Total Head | 27 m (90 ft) | 32 m (105 ft) |
| Delivery Volume | 620 L/min (163 USG/min) | 1050 L/min (277 USG/min) | 110 L/min (29 USG/min) |
| Max. Suction Head | 8 m (26 ft) |
| Engine | Type | Forced Air-cooled 4-stroke Gasoline Engine | Forced Air-cooled 2-stroke Gasoline Engine |
| Model | Koshin K180 | Koshin KC26 |
| Exhaust Volume | 179 cc | 26 cc |
| Rated Output | 3.1 kW (4.2 PS) / 3600 rpm | 0.70 kW (0.93 PS) / 7500 rpm |
| Fuel | Automotive Unleaded Gasoline | 2 Stroke Mixed Gas and Oil (50:1) |
| Fuel Tank Capacity | 3.6 L (0.95 USG) | 0.6 L (0.16 USG) |
| Continuous Oparating Time | Approx. 2.6 hrs | Approx. 2.4 hrs | Approx. 50 min |
| Starting Method | Recoil Starter | Recoil Starter |
| Standard Accessories | 1 Strainer, 3 Hose Bands, 1 Engine Tool Set | 1 Strainer, 2 Hose Couplings, 3 Hose Bands |
| Gross Weight | 27.2 kg (59.9 lbs) | 30.7 kg (67.6 lbs) | 7.7 kg (16.9 lbs) |
| Dimensions LxWxH (mm) | 504 × 401 × 411 | 543 × 426 × 458 | 368 × 273 × 338 |
| Packing Unit | 1 |