Cast Iron Worm Gear Reducers
WorldWide Electric’s Heavy Duty Cast Iron Right Angle Worm Gear Reducers (HdR) feature solid, one-piece cast iron construction, durable carbon steel shafts, and the flexibility of multiple configurations. Featuring universal interchangeability with the Boston 700 series and other equivalent brands, WorldWide Electric’s HdR is an excellent choice for replacing existing units and completely new installations alike.
WorldWide Electric Worm Gear Reducers are in stock and ready to ship from WorldWide Electric’s 6 regional warehouses. Order 25 or more Worm Gear Reducers to qualify for prepaid freight.
- 5:1 – 60:1 ratios
- Box sizes (Center distances of 1.33” to 3.25”)
- One piece # FC20 all cast iron housing
- Embedded double-lip oil seals
- Double bearings used on both shaft ends
- Anti-rust primer applied outside gearbox before top painting
- S45C carbon steel shafts
- AIBC3 aluminum – bronze gear
- Interior oil channel guide directly and constantly lube bearings
- Tapered roller bearing on output and input shafts
- All angle – radiused mounting holes
- Air dry special black paint
- Shaft sleeve protects all shafts
- Compact design
- Units filled with Mobil #SHC632 synthetic oil for “A” position mounting
- Adjust oil level for alternative mounting
positions - Universally interchangeable
- 1 year warranty
Products
| Model Number | Input Type | Output Type | Box Size | Ratio |
|---|---|---|---|---|
 HDRF133-10/1-DE-56C | Flange Input | Double End | 133 | 10:1 |
 HDRF133-10/1-H-56C | Flange Input | Hollow Bore | 133 | 10:1 |
 HDRF133-10/1-L-56C | Flange Input | Left Hand | 133 | 10:1 |
 HDRF133-10/1-R-56C | Flange Input | Right Hand | 133 | 10:1 |
 HDRS133-10/1-L | Shaft Input | Left Hand | 133 | 10:1 |
 HDRS133-10/1-R | Shaft Input | Right Hand | 133 | 10:1 |
 HDRF133-15/1-DE-56C | Flange Input | Double End | 133 | 15:1 |
 HDRF133-15/1-H-56C | Flange Input | Hollow Bore | 133 | 15:1 |
 HDRF133-15/1-L-56C | Flange Input | Left Hand | 133 | 15:1 |
 HDRF133-15/1-R-56C | Flange Input | Right Hand | 133 | 15:1 |
 HDRS133-15/1-L | Shaft Input | Left Hand | 133 | 15:1 |
 HDRS133-15/1-R | Shaft Input | Right Hand | 133 | 15:1 |
 HDRF133-20/1-DE-56C | Flange Input | Double End | 133 | 20:1 |
 HDRF133-20/1-H-56C | Flange Input | Hollow Bore | 133 | 20:1 |
 HDRF133-20/1-L-56C | Flange Input | Left Hand | 133 | 20:1 |
 HDRF133-20/1-R-56C | Flange Input | Right Hand | 133 | 20:1 |
 HDRS133-20/1-L | Shaft Input | Left Hand | 133 | 20:1 |
 HDRS133-20/1-R | Shaft Input | Right Hand | 133 | 20:1 |
 HDRF133-30/1-DE-56C | Flange Input | Double End | 133 | 30:1 |
 HDRF133-30/1-H-56C | Flange Input | Hollow Bore | 133 | 30:1 |
 HDRF133-30/1-L-56C | Flange Input | Left Hand | 133 | 30:1 |
 HDRF133-30/1-R-56C | Flange Input | Right Hand | 133 | 30:1 |
 HDRS133-30/1-L | Shaft Input | Left Hand | 133 | 30:1 |
 HDRS133-30/1-R | Shaft Input | Right Hand | 133 | 30:1 |
 HDRF133-40/1-DE-56C | Flange Input | Double End | 133 | 40:1 |
 HDRF133-40/1-H-56C | Flange Input | Hollow Bore | 133 | 40:1 |
 HDRF133-40/1-L-56C | Flange Input | Left Hand | 133 | 40:1 |
 HDRF133-40/1-R-56C | Flange Input | Right Hand | 133 | 40:1 |
 HDRS133-40/1-L | Shaft Input | Left Hand | 133 | 40:1 |
 HDRS133-40/1-R | Shaft Input | Right Hand | 133 | 40:1 |
 HDRF133-5/1-DE-56C | Flange Input | Double End | 133 | 5:1 |
 HDRF133-5/1-H-56C | Flange Input | Hollow Bore | 133 | 5:1 |
 HDRF133-5/1-L-56C | Flange Input | Left Hand | 133 | 5:1 |
 HDRF133-5/1-R-56C | Flange Input | Right Hand | 133 | 5:1 |
 HdRS133-5/1-L | Shaft Input | Left Hand | 133 | 5:1 |
 HDRS133-5/1-R | Shaft Input | Right Hand | 133 | 5:1 |
 HDRF133-50/1-DE-56C | Flange Input | Double End | 133 | 50:1 |
 HDRF133-50/1-H-56C | Flange Input | Hollow Bore | 133 | 50:1 |
 HDRF133-50/1-L-56C | Flange Input | Left Hand | 133 | 50:1 |
 HDRF133-50/1-R-56C | Flange Input | Right Hand | 133 | 50:1 |
 HDRS133-50/1-L | Shaft Input | Left Hand | 133 | 50:1 |
 HDRS133-50/1-R | Shaft Input | Right Hand | 133 | 50:1 |
 HDRF133-60/1-DE-56C | Flange Input | Double End | 133 | 60:1 |
 HDRF133-60/1-H-56C | Flange Input | Hollow Bore | 133 | 60:1 |
 HDRF133-60/1-L-56C | Flange Input | Left Hand | 133 | 60:1 |
 HDRF133-60/1-R-56C | Flange Input | Right Hand | 133 | 60:1 |
 HDRS133-60/1-L | Shaft Input | Left Hand | 133 | 60:1 |
 HDRS133-60/1-R | Shaft Input | Right Hand | 133 | 60:1 |
 HDRF154-10/1-DE-56C | Flange Input | Double End | 154 | 10:1 |
 HDRF154-10/1-L-56C | Flange Input | Left Hand | 154 | 10:1 |
 HDRF154-10/1-R-56C | Flange Input | Right Hand | 154 | 10:1 |
 HDRS154-10/1-L | Shaft Input | Left Hand | 154 | 10:1 |
 HDRF154-15/1-DE-56C | Flange Input | Double End | 154 | 15:1 |
 HDRF154-15/1-L-56C | Flange Input | Left Hand | 154 | 15:1 |
 HDRF154-15/1-R-56C | Flange Input | Right Hand | 154 | 15:1 |
 HDRF154-20/1-DE-56C | Flange Input | Double End | 154 | 20:1 |
 HDRF154-20/1-L-56C | Flange Input | Left Hand | 154 | 20:1 |
 HDRF154-20/1-R-56C | Flange Input | Right Hand | 154 | 20:1 |
 HDRS154-20/1-L | Shaft Input | Left Hand | 154 | 20:1 |
 HDRF154-30/1-DE-56C | Flange Input | Double End | 154 | 30:1 |
 HDRF154-30/1-L-56C | Flange Input | Left Hand | 154 | 30:1 |
 HDRF154-30/1-R-56C | Flange Input | Right Hand | 154 | 30:1 |
 HDRF154-40/1-DE-56C | Flange Input | Double End | 154 | 40:1 |
 HDRF154-40/1-L-56C | Flange Input | Left Hand | 154 | 40:1 |
 HDRF154-40/1-R-56C | Flange Input | Right Hand | 154 | 40:1 |
 HDRS154-40/1-L | Shaft Input | Left Hand | 154 | 40:1 |
 HDRF154-5/1-DE-56C | Flange Input | Double End | 154 | 5:1 |
 HDRF154-5/1-R-56C | Flange Input | Right Hand | 154 | 5:1 |
 HDRF154-50/1-DE-56C | Flange Input | Double End | 154 | 50:1 |
 HDRF154-50/1-L-56C | Flange Input | Left Hand | 154 | 50:1 |
 HDRF154-50/1-R-56C | Flange Input | Right Hand | 154 | 50:1 |
 HDRF154-60/1-DE-56C | Flange Input | Double End | 154 | 60:1 |
 HDRF154-60/1-L-56C | Flange Input | Left Hand | 154 | 60:1 |
 HDRF154-60/1-R-56C | Flange Input | Right Hand | 154 | 60:1 |
 HDRF175-10/1-DE-56C | Flange Input | Double End | 175 | 10:1 |
 HDRF175-10/1-H-56C | Flange Input | Hollow Bore | 175 | 10:1 |
 HDRF175-10/1-L-56C | Flange Input | Left Hand | 175 | 10:1 |
 HDRF175-10/1-R-56C | Flange Input | Right Hand | 175 | 10:1 |
 HDRS175-10/1-L | Shaft Input | Left Hand | 175 | 10:1 |
 HDRS175-10/1-R | Shaft Input | Right Hand | 175 | 10:1 |
 HDRF175-15/1-DE-56C | Flange Input | Double End | 175 | 15:1 |
 HDRF175-15/1-H-56C | Flange Input | Hollow Bore | 175 | 15:1 |
 HDRF175-15/1-L-56C | Flange Input | Left Hand | 175 | 15:1 |
 HDRF175-15/1-R-56C | Flange Input | Right Hand | 175 | 15:1 |
 HDRS175-15/1-L | Shaft Input | Left Hand | 175 | 15:1 |
 HDRS175-15/1-R | Shaft Input | Right Hand | 175 | 15:1 |
 HDRF175-20/1-DE-56C | Flange Input | Double End | 175 | 20:1 |
 HDRF175-20/1-H-56C | Flange Input | Hollow Bore | 175 | 20:1 |
 HDRF175-20/1-L-56C | Flange Input | Left Hand | 175 | 20:1 |
 HDRF175-20/1-R-56C | Flange Input | Right Hand | 175 | 20:1 |
 HDRS175-20/1-L | Shaft Input | Left Hand | 175 | 20:1 |
 HDRS175-20/1-R | Shaft Input | Right Hand | 175 | 20:1 |
 HDRF175-30/1-DE-56C | Flange Input | Double End | 175 | 30:1 |
 HDRF175-30/1-H-56C | Flange Input | Hollow Bore | 175 | 30:1 |
 HDRF175-30/1-L-56C | Flange Input | Left Hand | 175 | 30:1 |
 HDRF175-30/1-R-56C | Flange Input | Right Hand | 175 | 30:1 |
 HDRS175-30/1-L | Shaft Input | Left Hand | 175 | 30:1 |
 HDRS175-30/1-R | Shaft Input | Right Hand | 175 | 30:1 |
 HDRF175-40/1-DE-56C | Flange Input | Double End | 175 | 40:1 |
 HDRF175-40/1-H-56C | Flange Input | Hollow Bore | 175 | 40:1 |
 HDRF175-40/1-L-56C | Flange Input | Left Hand | 175 | 40:1 |
 HDRF175-40/1-R-56C | Flange Input | Right Hand | 175 | 40:1 |
 HDRS175-40/1-L | Shaft Input | Left Hand | 175 | 40:1 |
 HDRS175-40/1-R | Shaft Input | Right Hand | 175 | 40:1 |
 HDRF175-5/1-DE-56C | Flange Input | Double End | 175 | 5:1 |
 HDRF175-5/1-H-56C | Flange Input | Hollow Bore | 175 | 5:1 |
 HDRF175-5/1-L-56C | Flange Input | Left Hand | 175 | 5:1 |
 HDRF175-5/1-R-56C | Flange Input | Right Hand | 175 | 5:1 |
 HDRS175-5/1-L | Shaft Input | Left Hand | 175 | 5:1 |
 HDRS175-5/1-R | Shaft Input | Right Hand | 175 | 5:1 |
 HDRF175-60/1-DE-56C | Flange Input | Double End | 175 | 60:1 |
 HDRF175-60/1-H-56C | Flange Input | Hollow Bore | 175 | 60:1 |
 HDRF175-60/1-L-56C | Flange Input | Left Hand | 175 | 60:1 |
 HDRF175-60/1-R-56C | Flange Input | Right Hand | 175 | 60:1 |
 HDRS175-60/1-L | Shaft Input | Left Hand | 175 | 60:1 |
 HdRS175-60/1-R | Shaft Input | Right Hand | 175 | 60:1 |
 HDRF175-50/1-DE-56C | Flange Input | Double End | 175 | 50:1 |
 HDRF175-50/1-H-56C | Flange Input | Hollow Bore | 175 | 50:1 |
 HDRF175-50/1-L-56C | Flange Input | Left Hand | 175 | 50:1 |
 HDRF175-50/1-R-56C | Flange Input | Right Hand | 175 | 50:1 |
 HDRS175-50/1-L | Shaft Input | Left Hand | 175 | 50:1 |
 HDRS175-50/1-R | Shaft Input | Right Hand | 175 | 50:1 |
 HDRF206-10/1-DE-56C | Flange Input | Double End | 206 | 10:1 |
 HDRF206-10/1-H-56C | Flange Input | Hollow Bore | 206 | 10:1 |
 HDRF206-10/1-L-56C | Flange Input | Left Hand | 206 | 10:1 |
 HDRF206-10/1-R-56C | Flange Input | Right Hand | 206 | 10:1 |
 HdRS206-10/1-L | Shaft Input | Left Hand | 206 | 10:1 |
 HdRS206-10/1-R | Shaft Input | Right Hand | 206 | 10:1 |
 HDRF206-15/1-DE-56C | Flange Input | Double End | 206 | 15:1 |
 HDRF206-15/1-H-56C | Flange Input | Hollow Bore | 206 | 15:1 |
 HDRF206-15/1-L-56C | Flange Input | Left Hand | 206 | 15:1 |
 HDRF206-15/1-R-56C | Flange Input | Right Hand | 206 | 15:1 |
 HDRS206-15/1-L | Shaft Input | Left Hand | 206 | 15:1 |
 HDRS206-15/1-R | Shaft Input | Right Hand | 206 | 15:1 |
 HDRF206-20/1-DE-56C | Flange Input | Double End | 206 | 20:1 |
 HDRF206-20/1-H-56C | Flange Input | Hollow Bore | 206 | 20:1 |
 HDRF206-20/1-L-56C | Flange Input | Left Hand | 206 | 20:1 |
 HDRF206-20/1-R-56C | Flange Input | Right Hand | 206 | 20:1 |
 HDRS206-20/1-L | Shaft Input | Left Hand | 206 | 20:1 |
 HDRS206-20/1-R | Shaft Input | Right Hand | 206 | 20:1 |
 HDRF206-30/1-DE-56C | Flange Input | Double End | 206 | 30:1 |
 HDRF206-30/1-H-56C | Flange Input | Hollow Bore | 206 | 30:1 |
 HDRF206-30/1-L-56C | Flange Input | Left Hand | 206 | 30:1 |
 HDRF206-30/1-R-56C | Flange Input | Right Hand | 206 | 30:1 |
 HDRS206-30/1-L | Shaft Input | Left Hand | 206 | 30:1 |
 HDRS206-30/1-R | Shaft Input | Right Hand | 206 | 30:1 |
 HDRF206-40/1-DE-56C | Flange Input | Double End | 206 | 40:1 |
 HDRF206-40/1-H-56C | Flange Input | Hollow Bore | 206 | 40:1 |
 HDRF206-40/1-L-56C | Flange Input | Left Hand | 206 | 40:1 |
 HDRF206-40/1-R-56C | Flange Input | Right Hand | 206 | 40:1 |
 HDRS206-40/1-L | Shaft Input | Left Hand | 206 | 40:1 |
 HDRS206-40/1-R | Shaft Input | Right Hand | 206 | 40:1 |
 HDRF206-5/1-DE-56C | Flange Input | Double End | 206 | 5:1 |
 HDRF206-5/1-H-56C | Flange Input | Hollow Bore | 206 | 5:1 |
 HDRF206-5/1-L-56C | Flange Input | Left Hand | 206 | 5:1 |
 HDRF206-5/1-R-56C | Flange Input | Right Hand | 206 | 5:1 |
 HDRS206-5/1-L | Shaft Input | Left Hand | 206 | 5:1 |
 HDRS206-5/1-R | Shaft Input | Right Hand | 206 | 5:1 |
 HDRF206-50/1-DE-56C | Flange Input | Double End | 206 | 50:1 |
 HDRF206-50/1-H-56C | Flange Input | Hollow Bore | 206 | 50:1 |
 HDRF206-50/1-L-56C | Flange Input | Left Hand | 206 | 50:1 |
 HDRF206-50/1-R-56C | Flange Input | Right Hand | 206 | 50:1 |
 HDRS206-50/1-L | Shaft Input | Left Hand | 206 | 50:1 |
 HDRS206-50/1-R | Shaft Input | Right Hand | 206 | 50:1 |
 HDRF206-60/1-DE-56C | Flange Input | Double End | 206 | 60:1 |
 HDRF206-60/1-H-56C | Flange Input | Hollow Bore | 206 | 60:1 |
 HDRF206-60/1-L-56C | Flange Input | Left Hand | 206 | 60:1 |
 HDRF206-60/1-R-56C | Flange Input | Right Hand | 206 | 60:1 |
 HDRS206-60/1-L | Shaft Input | Left Hand | 206 | 60:1 |
 HDRS206-60/1-R | Shaft Input | Right Hand | 206 | 60:1 |
 HDRF237-10/1-DE-56C | Flange Input | Double End | 237 | 10:1 |
 HDRF237-10/1-H-56C | Flange Input | Hollow Bore | 237 | 10:1 |
 HDRF237-10/1-L-145TC | Flange Input | Left Hand | 237 | 10:1 |
 HDRF237-10/1-L-56C | Flange Input | Left Hand | 237 | 10:1 |
 HDRF237-10/1-R-145TC | Flange Input | Right Hand | 237 | 10:1 |
 HDRF237-10/1-R-56C | Flange Input | Right Hand | 237 | 10:1 |
 HDRS237-10/1-L | Shaft Input | Left Hand | 237 | 10:1 |
 HDRS237-10/1-R | Shaft Input | Right Hand | 237 | 10:1 |
 HDRF237-15/1-DE-56C | Flange Input | Double End | 237 | 15:1 |
 HDRF237-15/1-H-56C | Flange Input | Hollow Bore | 237 | 15:1 |
 HDRF237-15/1-L-56C | Flange Input | Left Hand | 237 | 15:1 |
 HDRF237-15/1-R-56C | Flange Input | Right Hand | 237 | 15:1 |
 HDRS237-15/1-L | Shaft Input | Left Hand | 237 | 15:1 |
 HDRS237-15/1-R | Shaft Input | Right Hand | 237 | 15:1 |
 HDRF237-20/1-DE-56C | Flange Input | Double End | 237 | 20:1 |
 HDRF237-20/1-H-56C | Flange Input | Hollow Bore | 237 | 20:1 |
 HDRF237-20/1-L-56C | Flange Input | Left Hand | 237 | 20:1 |
 HDRF237-20/1-R-56C | Flange Input | Right Hand | 237 | 20:1 |
 HDRS237-20/1-L | Shaft Input | Left Hand | 237 | 20:1 |
 HDRS237-20/1-R | Shaft Input | Right Hand | 237 | 20:1 |
 HDRF237-30/1-DE-56C | Flange Input | Double End | 237 | 30:1 |
 HDRF237-30/1-H-56C | Flange Input | Hollow Bore | 237 | 30:1 |
 HDRF237-30/1-L-56C | Flange Input | Left Hand | 237 | 30:1 |
 HDRF237-30/1-R-56C | Flange Input | Right Hand | 237 | 30:1 |
 HDRS237-30/1-L | Shaft Input | Left Hand | 237 | 30:1 |
 HDRS237-30/1-R | Shaft Input | Right Hand | 237 | 30:1 |
 HDRF237-40/1-DE-56C | Flange Input | Double End | 237 | 40:1 |
 HDRF237-40/1-H-56C | Flange Input | Hollow Bore | 237 | 40:1 |
 HDRF237-40/1-L-56C | Flange Input | Left Hand | 237 | 40:1 |
 HDRF237-40/1-R-56C | Flange Input | Right Hand | 237 | 40:1 |