耐用性好
551 系列足够坚固，能够抵御恶劣的环境。
性能高
此系列支持可变速度和扭矩，并能即时起动和停止，而不会产生过热。
| Model | Max. Power (hp) | Max. Power (kw) | Reversible | Torque Stall (ft-lb) | Torque Stall (Nm) | Free Speed (rpm) | Torque Output @ Max. H.P. (ft-lb) | Torque Output @ Max. H.P. (Nm) | Speed at Max. Power (rpm) | Starting Torque (ft-lb) | Starting Torque (Nm) | Air Consumption at Max. Power (scfm) | Air Consumption at Max. Power (m^3/m) | Weight (lb) | Weight (kg) | Length (in) | Length (mm) | Diameter/Width (in) | Diameter/Width (mm) | In Line Motor |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 551S051-W/RC | 5.6 | 4.18 | Yes | 885 | 1200 | 77 | 442.5 | 599.95 | 59 | 650 | 881 | 160 | 4.53 | 93 | 42.2 | 19.06 | 484.2 | 15 | 381 | Yes |
| 551SM51-W/RC | 5.6 | 4.18 | Yes | 545 | 739 | 120 | 272.5 | 369.46 | 95 | 400 | 542 | 160 | 4.53 | 93 | 42.2 | 19.06 | 484.2 | 15 | 381 | Yes |
