Indirect Drive Right Angle Speed Reducer, Nominal Output Speed 58 RPM, Input RPM 1725-1750, Overhung Load 300 Pounds, Nominal Ratio 30:1, Output Torque @ 1/4 HP 208 Inch Pounds, Output Torque @ 1/3 HP 277 Inch Pounds, Worm Center Distance 1.54 Inches, Single Output Shaft Assembly, Output Shaft Left Hand Exit Facing Input Boston Indirect-Drive Right-Angle Single-Shaft Speed ReducersHeavy-duty worm gear speed reducers have value-engineered features for flexible installation, long life, and simplified maintenance. Integral input worm and shaft are made from case-hardened alloy steel. Oversized ball and roller bearings assure maximum performance. Fine-grained cast-iron housing and output shaft (left-hand facing input shaft).All-position mounting (mounting bases sold separately) Shipped less oil; see page 3835 for 4ZF30 gear oil