| Specifications | HRB 122 | HRB 152 | HRB 182 | HRB 202 | HRB 252 | HRB 302 |
| Working width (m) | 1.2 | 1.5 | 1.8 | 2.1 | 2.5 | 3 |
| Speed of rotor/s at 540 min-1 (min-1) | 253 | 253 | 253 | 253 | - | - |
| PTO speed (rpm) | 540 | 540 | 540 | 540 | 540 and 1000 | 540 and 1000 |
| Gearbox | Single speed gearbox | Single speed gearbox | Single speed gearbox | Single speed gearbox | Duplex | Duplex |
| Minimum power requirement for PTO (kW) | 18 | 22 | 26 | 30 | 37 | 44 |
| Minimum power requirement for PTO (hp) | 25 | 30 | 35 | 40 | 50 | 60 |
| Maximum authorised tractor power (kW) | 59 | 59 | 59 | 59 | 103 | 103 |
| Maximum authorised tractor power (hp) | 80 | 80 | 80 | 80 | 140 | 140 |
| Weight with cage roller (kg) | 440 | 500 | 550 | 720 | 835 | 965 |
| Weight with Maxicrumbler roller (kg) | - | - | - | - | - | 975 |
| Weight with packer roller (kg) | - | - | - | 840 | 975 | - |
| Weight with Packer PK2 roller (kg) | - | - | - | - | - | 1170 |
| Weight with Maxipacker roller (kg) | - | - | - | - | - | 1200 |
| Transmission | With shear bolt cut-out clutch | With shear bolt cut-out clutch | With shear bolt cut-out clutch | With shear bolt cut-out clutch | With adjustable friction slip clutch | With adjustable friction slip clutch |