Gan gadw plaen spherical GEC 600 TXA-2RS GEC 630 TXA-2RS GEC 670 TXA-2RS GEC 710 TXA-2RS
| Dynodiadau | Dimensiynau Terfyn | Llwyth Sylfaenol | Màs(kg) | SKFModel | |||
| d | D | B | Cr | Cor | Cyfeirio. | ||
| GEC600DW | 600 | 800 | 272 | 48300 | 80500 | 413 | GEC 600 TXA-4RS |
| GEC630DW | 630 | 850 | 300 | 57720 | 96200 | 538 | GEC 630 TXA-5RS |
| GEC670DW | 670 | 900 | 208 | 61230 | 102050 | 603 | GEC 670 TXA-6RS |
| GEC710DW | 710 | 950 | 325 | 68470 | 114120 | 703 | GEC 710 TXA-7RS |
| GEC750DW | 750 | 1000 | 335 | 73500 | 122500 | 790 | GEC 750 TXA-8RS |
| GEC800DW | 800 | 1060 | 355 | 83700 | 139500 | 933 | GEC 800 TXA-9RS |
| GEC850DW | 850 | 1120 | 365 | 91600 | 152670 | 1060 | GEC 850 FBAS |
| GEC900DW | 900 | 1180. llarieidd-dra eg | 375 | 99840 | 166400 | 1198. llarieidd-dra eg | GEC 900 FBAS |
| GEC950DW | 950 | 1250 | 400 | 112200 | 187000 | 1445. llathredd eg | GEC 950 FBAS |
| GEC1000DW | 1000 | 1320 | 438 | 128760 | 214600 | 1768. llarieidd-dra eg | GEC 1000 FBAS |
