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Quick Details

  • Place of Origin: Zhejiang, China (Mainland)
  • Brand Name: DOFINE
  • Model Number: S(SA,SF,SAF,SAT,SAZ)37-97
  • Gearing Arrangement: Worm
  • Output Torque: up to 4000Nm
  • Rated Power: 0.18-22KW
  • Input Speed: less than 1800r/min
  • Output Speed: 0.3-147r/min
  • Helical gear material: 20CrMnTi
  • Shaft material: 40Cr or 20CrMnTi
  • Gear housing material: Cast iron
  • Helical gear surface hardness: HRC58-62
  • Precision grade: 5-6 (ISO1328)
  • Color: according to your requirement
  • Ratio: 10.27-230.48
  • Mounting: Foot, flange, torque arm, hollow /solid shaft
  • Certificate: ISO9001, CE

Packaging & Delivery

Packaging Details Standard export wooden case
Delivery Time Shipped in 10 days after payment

S series helical worm gear motor 


S series is one kind of Helical worm gearbox, designed as Modularization and high-stainless cast iron case. It is combination of helical gear and worm gear, which with higher efficiency and strength than simple aluminum alloy worm gearbox. Due to their outstanding efficiency, these drives can be used in every industrial sector and tailored to individual torque and speed requirements. The gear ratios afforded by the helical-worm gear stage and the low noise levels during operation make these gearmotors ideal low-cost solutions for simple applications.





Product Description







Model / Size


S37, SF37, SA37, SAF37. SAT37, SS37, SAZ37DR63 

S47, SF47, SA47, SAF47. SAT47, SS47, SAZ47DRS71S

S57, SF57, SA57, SAZ57. SAT57, SS57, SAF37DRS71M
S67, SF67, SA67, SAZ67. SAF67, SS67, SAT67DRE80M
S77, SA77, SAZ77. SAF77, SS77, SAT77, SF77DRE90M
S87, SF87, SAZ87. SAF87, SS87, SAT87, SA87DRS90L

SF97, SAZ97. SAF97, SS97, SAT97, SA97, S97DRE100M


Helical-worm gear reducer, helical worm gear reductor redutor, helical worm industrial gearbox,

S series helical-worm reduction gearmotors can replace SEW, Bonfiglioli, Rossi, Nord, SITI






Main Applications


Perfect for the machinery and equipment of following industry:


Conveyor & Material handling

Mining & Quarry

Crusher & Cement

Automatic production line & Mixer

Transport & Packaging

Food machine & Beverage

Construction & Metal processing

Plastic & Chemical industry











  S series helical-worm reduction gearmotors can replace SEW, Bonfiglioli, Rossi, Nord, SITI






CE & ISO9001:2008 Certifications  




Company Information




DOFINE has acquired the know-how and the experience to be a leader in the field of high speed gears.


The industrial site of WENZHOU Zhejiang Province has developed a tradition in high performance gear units for more than 26 years and through 500,000 references for the Power Transmission equipment and the Oil & Gas industries (speed reducer or increaser, auxiliary and special gearboxes). Now there are more than 300 employees join our family to provide the best transmission equipment for driving a better world.


As a member of China general reducer machinery association, Zhejiang Dongfang Driving Machine Co.,Ltd is a manufacturer who specializing in producing and marketing of Speed reducer Gearbox products. We take the lead in passing ISO9001 and CE, keeping the perfect product quality and wining deeply trust from worldwide client are based on the competely quality system and strictly management.




Our Services




• Highly skilled service engineers will respond in 12 hours 
• Delivery in shortest time

• Warranty is 12 months



After-sale service

a. During the warranty period, if the damage caused by non-human factor, DOFINE will be responsible for the Free repair or replacement. If damages caused by other factors or after the warranty period, DOFINE will continue to provide services with reasonable price to the customer. 

b. Supplier has responsible for maintenance the machine lifetime, after the warranty period, supplier continues to offer the technical service, but replacing the spare parts, supplier only charge for material and service fee.

c. After receiving the notice from the buyer, supplier will respond to the customer within 24 hours on the spot to solve the problems.



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