| Manylebau | Units | M618A | M818A | ||
| Maint y Bwrdd | mm | 460×180 | 450x210 | ||
| Darn gwaith mwyaf i'w falu | mm | 500×190×335 | 470x220x350 | ||
| Hyd malu mwyaf | mm | 500 | 470 | ||
| Lled malu mwyaf | mm | 190 | 220 | ||
| Pellter o'r bwrdd i'r werthyd | mm | 335 | 450 | ||
| Ffordd llithro | Rheilffordd math-V gyda phêl ddur | ||||
| Rheilffordd math-V gyda phêl ddur | kg | 200 | |||
| Nifer y slotiau T | mm×n | 12×1 | 12x1 | ||
| Cyflymder y bwrdd gweithio | m/mun | 3-23 | 3-23 | ||
| Croesfwydo ar olwyn law | mm | 0.02/Graddio 2.5/chwyldro | |||
| Porthiant fertigol ar olwyn law | mm | 0.01/Graddio 1.25/chwyldro | |||
| Maint yr olwyn (diamedr × lled × twll) | mm | 200×16×31.75 | 200x13x31.75 | ||
| Cyflymderau'r Werthyd | 50Hz | rpm | 2850 | 2850 | |
| 60HZ | 0-6000 | 3450 | |||
| Modur y werthyd | Kw | 1.1 | 1.5 | ||
| Pwmp oerydd | Kw | 0.4 | 0.5 | ||
| Maint y peiriant (H×L×U) | mm | 1550×1060×1590 | 1330x1150x1675 | ||
| Maint pacio (H×L×U) | mm | 1060×1170×1870 | 1400x1120x1985 | ||
| Pwysau'r peiriant | T | 0.75/0.65 | 0.8 | ||