| 1540 | 1580 | |
| Fan Diameter (mm) | 54” (1372) | 54” (1372) |
| Nominal Fan Speed | 540 rpm | 735 rpm |
| Nominal Input RPM | 540 rpm | 540 or 1000 rpm |
| Paddle Tip Speed (m/min) | 7634 fpm (2327) | 10,390 fpm (3167) |
| Number of Paddles | 16 | 16 |
| Split Rim Sheet | Standard | Standard |
| Replaceable Inner Rim Sheet Liner | Standard | Standard |
| Swing-Away Outlet | Standard | Standard |
| Tire Guard | Optional | Standard |
| Water System | Optional | Standard |
| Adjustable Left Axle | Standard | Standard |
| Height - Ground to Hopper (mm) | 24” (610) | 24” (610) |
| Height - Ground to Hopper Hood (mm) | 61” (1549) | 61” (1549) |
| Hopper Hood Width (mm) | 33” (838) | 33” (838) |
| Height to Top of Outlet (mm) | 67”-72¾” (1702-1873) | 67”-72¾” (1702-1873) |
| Width (mm) | 90” (2286) | 90” (2286) |
| Weight (approx. less driveline) (kg) | 1305 lbs. (587) | 1450 lbs. (653) |