| Model | Operating weight | Engine power   | Bucket Capacity |
| 521E | 10464 kg | 142 hp /106 kW @1800 | 1.7-1.9 m3 |
| 521EXT | 11906 kg | 142 hp /106 kW @1800 | 1.6-1.8 m3 |
| 621E | 12431 kg | 172 hp /128 kW @1800 | 1.96 -2.29 m3 |
| 621EXT | 13022 kg | 172 hp /128 kW @1800 | 1.96-2.4 m3 |
| 621EXR | 12521 kg | 172 hp /128 kW @1800Â | 1.96 -2.29 m3 |
| 721E | 14500 kg | 195 hp /145 kW @2000 | 2.4 – 2.7 m3 |
| 721EXT/XR | 14650 kg | 195 hp /145 kW @1800 | XT= 2.4-2.7 m3 XR= 2.3 – 2.7 m3 |
| 821E/EXR | 17166 kg | 227 hp /169 kW @2000 | 821E = 2.8-3.3 m3 XR = 2.6 -3.4 m3 |
| 921E/EXR | 22962/24062 kg | 320 hp /239 kW @1800Â | 921E= 4.4-6 m3 XR = 3.82-4.6 m3 |
| 1221E | 30940 kg | 335 hp /250 kW @2000 | 4.8-7.0 m3 |
| 1221EXR | 30020 kg | 335 hp /250 kW @2000 | 4.8 – 7.0 m3 |