| - Model OBS | ||||||||||
| Model | Horse Power | Phase | Voltage | SCFM at 50 PSIG | SCFM at 100 PSIG | RPM | Full Load Amp Motor | Gallons per Tank | Dimensions (L x W X H) | Shipping Weight (lbs) |
| OBS0107 | 1 | 3 | 208/230/460 | 3.6 | 625 | 3.1/2.8/1.4 | Basemount | 21 x 14 x 20 | 95 | |
| OBS0157 | 1.5 | 3 | 208/230/460 | 5.3 | 885 | 4.5/4.2/2.1 | Basemount | 21 x 14 x 20 | 120 | |
| OBS0207 | 2 | 3 | 208/230/460 | 6.6 | 845 | 5.9/5.6/2.8 | Basemount | 32 x 17 x 23 | 120 | |
| OBS0307 | 3 | 3 | 208/230/460 | 10.1 | 1115 | 8.7/8/4 | Basemount | 32 x 17 x 23 | 160 | |
| OBS0507 | 5 | 3 | 208/230/460 | 17.2 | 860 | 13.7/13.2/6.6 | Basemount | 35 x 20 x 27 | 270 | |
| OBS0757 | 7.5 | 3 | 208/230/460 | 27.5 | 855 | 20/19.2/9.6 | Basemount | 47 x 24 x 27 | 305 | |
| OBS1007 | 10 | 3 | 208/230/460 | 35 | 1090 | 28/28/14 | Basemount | 47 x 24 x 27 | 350 | |
| OBS1507 | 15 | 3 | 208/230/460 | 47 | 1140 | 40.9/40.6/20.3 | Basemount | 44 x 24 x 32 | 410 | |