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- Size SM21A Parallel Reducer
- 6.2:1 Ratio
- 180TC Frame
- 1 1/8" C-Face Quilled Input
- 1 1/8" Parallel Shaft Output
| Unit Size | SM21A |
| Frame | 180TC |
| Ratio | 6.2:1 |
| Bolt Centers w/ Std. Base Kit (in) | 5 x 6 1/2 |
| Output RPM @ 1750 rpm Input | 282 rpm |
| Box Height | 10 5/8 in |
| Input Configuration | C-Face Quilled |
| Box Length | 6 1/8 in |
| Output (Shaft or Bore) Size | 1 1/8 in |
| Box Width | 7 3/4 in |
| Input (Shaft or Bore) Size | 1 1/8 in |
| Base to Shaft Center Height w/Std. Base Kit | 3 1/2 in |
| Output Configuration | Parallel Shaft Output |
| Weight | 68.0 LB |
| EAN or UPC | 887726176307 |
