| Model | Working width (m) | Transport width (m) | Transport height (m) | Weight lbs. (kg) | H.P. requirements |
| 6631-21 | 20’ 2” (6.1) | 13’ 5” (4.1) | 10’ 10” (3.3) | 14,405 (6534) | 8 to 10 hp/ft |
| 6631-24 | 22’ 7” (6.9) | 13’ 5” (4.1) | 12’ 2” (3.7) | 15,683 (7114) | 8 to 10 hp/ft |
| 6631-27 | 26’ 3” (8.0) | 13’ 5” (4.1) | 13’ 10” (4.2) | 17,633 (7998) | 8 to 10 hp/ft |
| 6631-29 | 28’ 8” (8.7) | 13’ 5” (4.1) | 15’ 0” (4.6) | 18,705 (8485) | 8 to 10 hp/ft |
| 6631-31 | 30’ 0” (9.1) | 17’ 5” (5.3) | 13’ 10” (4.2) | 19,885 (9020) | 8 to 10 hp/ft |
| 6631-33 | 32’ 6” (9.9) | 17’ 5” (5.3) | 15’ 0” (4.6) | 20,957 (9506) | 8 to 10 hp/ft |
| 6631-36 | 34’ 9” (10.6) | 17’ 5” (5.3) | 16’ 1” (4.9) | 21,986 (9973) | 8 to 10 hp/ft |
| 6631-35 | 32’ 7” (9.9) | 15’ 4” (5.54) | 13’ 7” (4.1) | 24,749 (11226) | 8 to 10 hp/ft |
| 6631-40 | 37’ 5” (11.4) | 17’ 8” (5.54) | 13’ 7” (4.1) | 28,824 (13075) | 8 to 10 hp/ft |
