EPH Series Planetary Gear Units

  • Gear Arrangement: Involute Planetary Gears
  • Ratio:18~5000
  • Stage:1,2 Stage
  • Efficiency:≥90%
  • Shafts Position: In Line
  • Housing: Cast Iron
  • Mounted: Foot, Flange Mounting


1. Housing: Cast Iron
2. Gearset: Planetary Gears Set
3. Input Configurations:
Integrated with Electric Motors (50Hz & 60Hz 3 Phrase AC Motors - 4P,6P,8P, DC Motors, Explosion-proof Motors, Hydraulic Motors)
Keyed Solid Shaft Input
4. Output Configurations:
Keyed Cylindrical Solid Shaft Output
Keyed Hollow Shaft Output
Splined Hollow Shaft Output


  • EPHJ – 1 Stage Star Wheel Gearset (Small Teeth Difference Involute Planetary Gear Set)
  • EPHN – 1 Stage Star Wheel Gearset Integrated with 1 Stage Planetary Gear Set
  • EPHH – 2 Stage Star Wheel Gearset


1. EPH series planetary gear units(star wheel gearboxes) is a new design internal meshing small teeth number difference involute planetary gear transmission mechanism. H series is very ideal for high load and continuous duty
2. Compact structure, high load capacity
3. High efficiency
4. Smooth operation, low noise
5. Large ratio range, intensive gear ratio
6. Modular design, easy to maintain


Types Sizes Nominal Ratio Efficiency
EPHJ 18B,20B,…71B,80B
18~80 ≥95%
EPHN 18B,20B,…71B,80B
75~600 ≥94%
EPHH 18B,20B,…71B,80B
450~5,000 ≥90%

Frame Sizes:


Horizontal Mounting
Vertical Mounting
Circular Disc Base Mounting


Oil Immersion and Splash Lubrication
Forced Lubrication


Natural Cooling
Auxiliary Cooling Devices

edited by CX


Product Quick Detail:

  • Standard and non-standard available
  • With high quality and competitive price
  • Prompt delivery
  • Packing as per customer’s demand.

We promise will offer the best price by the high quality in china! We also accept special order about the products. If you are interested in our products. Please do not hesitate to let us know.We are pleased to give you the detailed information.We promise that our products would be safety and were in high quality and reasonable price. If you are interested in our products, please contact us asap.We are sincerely looking for your cooperation.

Most of our products are exported to Europe or Americas, both standard and nonstandard products available. We can produce as per your drawing or sample. Material can be standard or as per your special request. If you choose us, you choose reliable.

pruduct quality report

Materials Available

1. Stainless Steel: SS201, SS303, SS304, SS316, SS416, SS420
2. Steel:C45(K1045), C46(K1046),C20
3. Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200(CuZn37), C28000(CuZn40)
4. Bronze: C51000, C52100, C54400, etc
5. Iron: 1213, 12L14,1215
6. Aluminum: Al6061, Al6063
7.OEM according to your request
product materials available

Surface Treatment

Annealing, natural canonization, heat treatment, polishing, nickel plating, chrome plating, zinc plating,yellow passivization, gold passivization, satin, Black surface painted etc.

Processing Method

CNC machining, punch,turning, milling, drilling, grinding, broaching, welding and assembly
product finishing

QC & Certificate

Technicians self-check in production,final-check before package by professional Quality inspector
ISO9001:2008 , ISO14001:2001,ISO/TS 16949:2009

Package & Lead Time

Size: Drawings
Wooden Case/Container and pallet, or as per customized specifications.
15-25days samples. 30-45days offcial order
Port: Shanghai/Ningbo port
product packages