API B Pumping Unit
Performance and advantage
1. Simple structure, convenient operation and maintenance, long service life.
2. Involute or double arc herringbone gear reducer works smoothly and stably.
3. Light-weighted, convenient to install and transport.
4. Suitable for the oil-pumping work for lower stroke length, light load and shallow well.
| No. | Model | Rated Polished Rod Capacity (lbs) | Stroke (in) |
Rated Torque of reducer (lbs.in) |
| 1 | B-80D-76-64 | 7,600 | 64,54,49 | 80,000 |
| 2 | B-80D-76-64 | 7,600 | 54,45,41 | 80,000 |
| 3 | B-80D-109-48 | 10,900 | 48,41,37 | 80,000 |
| 4 | B-80D-109-42 | 10,900 | 42,35,32 | 80,000 |
| 5 | B-57D-76-54 | 7,600 | 54,45,41 | 57,000 |
| 6 | B-57D-109-48 | 10,900 | 48,41,37 | 57,000 |
| 7 | B-57D-109-42 | 10,900 | 42,35,32 | 57,000 |
| 8 | B-40D-76-48 | 7,600 | 48,40,36 | 40,000 |
| 9 | B-40D-89-42 | 8,900 | 42,35,32 | 40,000 |
| 10 | B-40D-76-42 | 7,600 | 42,35,32 | 40,000 |
| 11 | B-40D-89-36 | 8,900 | 36,31,27 | 40,000 |
