Products Description
Reliance Electric 140DM16A Helical Gear Reducer Unit

Module Feature
140DM16A belongs to Reliance Electric Master XL series helical speed reducer. It adopts precision helical gear transmission structure to reduce output speed and increase output torque. Heavy duty cast iron housing, pre-lubricated sealed bearing assembly, stable shock load resistance. Foot mounting configuration, compatible with standard NEMA motor frames. Widely applied for conveyors, mixers, packaging machinery and general industrial drive systems.
Working principle
Motor high-speed input drives primary helical gear set, multi-stage gear meshing reduces rotational speed step by step while multiplying output torque. Gear tooth profile distributes load evenly to lower vibration and noise. Power transfers to driven equipment through output shaft. Internal oil bath lubrication continuously lubricates gear and bearing surfaces during operation.
Onboard components
Cast iron gear housing, helical gear sets, input shaft, output shaft, rolling bearing assemblies, oil seal assemblies, oil fill plug, drain plug, mounting foot base.
LED indicators
No onboard LED indicators. Operating condition is judged by noise, vibration level and temperature measurement.
Hardware self-diagnosis
Monitor housing operating temperature, inspect abnormal vibration and noise, check oil leakage at shaft seals, verify lubricant oil quality and oil level.
Programming software
No configuration software, fixed gear ratio, mechanical transmission without electronic adjustment.
Electrical & Process Parameters
Model:140DM16A Brand:Reliance Electric Device type:Helical Gear Speed Reducer Series:Master XL Mounting:Foot mount Function:Speed reduction, torque multiplication for industrial drive
Mechanical & Structure
Mounting:Foot base installation Protection class:IP54 Housing:Gray cast iron housing
Environmental
Operating temperature:-20℃ ~ +80℃ Storage temperature:-30℃ ~ +85℃ Ambient humidity:5~95% non-condensing Certification:Industrial power transmission compliant Status: Reliance Electric original Master XL series gear reducer
Installation
Align motor and reducer input shaft before coupling connection. Secure reducer foot base firmly to rigid support. Fill gearbox with specified grade lubricant to correct oil level. Run test at no load first, then apply rated load gradually.
Interface
Input shaft for motor coupling, output shaft for driven load connection, oil filler port, oil drain port, oil level sight port.
Diagnostic
Overheating: insufficient lubricant, wrong oil viscosity or overloaded operation. Abnormal noise: gear tooth damage, bearing failure or misalignment. Oil leakage: worn shaft oil seal or loose plug thread. Vibration overload: coupling misalignment or unbalanced load.
Product Brief
Reliance Electric 140DM16A Master XL foot-mounted helical gear reducer, provides reliable speed reduction and torque boost for heavy-duty industrial power transmission applications.