| Gravimetric ECM II | 42.2 | 375 | 888.6% | 1,174,000.00 | 1,179,000.00 | 1,207,000.00 | 2.4% | 54,486,319.96 |
| BZ-5 Scoped Gravimetric ECM | 4.0 | 3,275 | 10,000.0% | 106,700.00 | 111,700.00 | 88,760.00 | -20.5% | 358,801.33 |
| FZ-3a Enduring Gravimetric ECM | 0.7 | 548 | 10,000.0% | 10,230.00 | 15,230.00 | 45,000.00 | 195.5% | 31,500.00 |
| CZ-4 Compact Gravimetric ECM
| 0.5 | 99 | 10,000.0% | 149,800.00 | 154,800.00 | 44,880.00 | -71.0% | 17,472.00 |
| Legion Gravimetric ECM | None | 0 | 0.0% | 63,500,000.00 | 63,505,000.00 | 0.00 | 0.0% | 0.00 |
| Panola's Modified Gravimetric ECM | None | 0 | 0.0% | 899,000,000.00 | 899,005,000.00 | 0.00 | 0.0% | 0.00 |
| Gravimetric ECM I | None | 0 | 0.0% | 78,870.00 | 83,870.00 | 0.00 | 0.0% | 0.00 |
| 'Plunderer' Gravimetric ECM | None | 0 | 0.0% | 7,356,000.00 | 7,361,000.00 | 0.00 | 0.0% | 0.00 |