Dayton 4Z861


Reducer, Speed, 140 RPM

4Z861 144269
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ItemSpeed Reducer
TypeIndirect Drive
Shaft OrientationParallel
Input RPM1725
Nominal Output RPM140
Overhung Load (Lb.)709
Nominal Ratio12.5:1
Max. Input HP1
Max. Torque (In.-Lbs.)427
Output Torque @ 1/4 HP (In.-Lb.)107
Output Torque @ 1/3 HP (In.-Lb.)143
Output Torque @ 1/2 HP (In.-Lb.)214
Output Torque @ 3/4 HP (In.-Lb.)320
Output Torque @ 1 HP (In.-Lb.)427
Number of Stages1
LubricationKluber Food Grade
Oil SealDouble Lip
PinionHardened Steel
GearingHelical and Spur
FinishPowdered Epoxy Paint
Output Shaft Dia. (In.)1
Output Shaft Height (In.)4.88
Weight 25.000000


Indirect Drive Parallel Shaft Speed Reducer, Nominal Output Speed 140 RPM, Input RPM 1725-1750, Overhung Load 709 Pounds, Nominal Ratio 12.5:1, Number of Stages 2, Output Torque @ 1/4 HP 107 Inch Pounds, Output Torque @ 1/3 HP 143 Inch Pounds, Output Torque @ 1/2 HP 214 Inch Pounds, Output Torque @ 3/4 HP 320 Inch Pounds, Output Torque @ 1 HP 427 Inch Pounds, Output Shaft Height 4.88 Inches, Output Shaft Diameter 1 Inch

Dayton Indirect-Drive and 56C-Face Parallel-Shaft Speed Reducers
  • Hardened steel pinions, helical and spur gears are computer-matched for high efficiency; designed per AGMA standards. Ball bearing-supported input shaft; deep-grooved ball bearing output shaft. Cast-aluminum gearcase.
  • Horizontal mounting Shipped with oil Spring-loaded double-lip seals on input and output shafts

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