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Quick Details

  • Place of Origin: Zhejiang, China (Mainland)
  • Brand Name: DOFINE
  • Model Number: B1 - B26
  • Gearing Arrangement: Bevel / Miter
  • Output Torque: up to 470000Nm
  • Rated Power: 2.2-5366KW
  • Input Speed: Up to 2000r/min
  • Output Speed: 1.7-1200r/min
  • Material of housing: Ductile iron QT450
  • Material of gear: 20CrMnTi
  • Material of shaft: 40Cr
  • Ratio: 1.25 - 450
  • Gear Precision level: ISO6
  • Color: Blue or other
  • Bearing: ZWZ ( longest bearing manufacturer in China)
  • Oil seal: NAK (Taiwan brand)
  • Certification: CE,. ISO9001

Packaging & Delivery

Packaging Details Standard export wooden box
Delivery Time Shipped in 20 days after payment


Product Description


H / B series High power gear unit


Simply select the ideal gear unit for your requirements and benefit from the advantages offered to you

by our standard range. The high quality, the fast availability worldwide, and the attractive price level are

the main strengths of this range of gear units. Horizontal or vertical mounting positions, different versions

of helical, bevel and bevel-helical gear units, and the compact design of our gear units give you maximum

flexibility in the design of your plant.






1. Extremely robust gear unit housing

2. High transmission efficiency

3. Flexible mounting capability

4. Powerful cooling performance and systems 

5. Short delivery times for standard versions and spare parts


Technical data
Gear Unit TypeStagesRatioRated torque(KNm)
Helical gear unit H...1,2,3 and 4-stage1.25 - 4501 - 900
Helical gear unit B...2,3 and 4-stage5 - 4001 - 900





Type / Model




Helical Parallel shaft gear units gearbox solid shaft output

H1SH1, H1SH3, H1SH5, H1SH7, H1SH9, H1SH11, H1SH13, H1SH15, H1SH17, H1SH19


Helical Parallel shaft gear units gearbox gearmotor reductor redutor



Bevel helical Right angle gear units gearbox gearmotor reducer





Helical Parallel shaft gear units gearbox reducer reductor redutor gearmotor

H2SV, H2HV, H2DV, H3SV, H3HV, H3DV, H4SV, H4HV, H4DV   


Bever-helical gear units Right angle gearbox 90 degree shaft mounted reducer

B2SV, B2HV, B2DV, B3SV, B3HV, B3DV, B4SV, B4HV, B4DV       




Main applications

  • Belt conveyor
  • Bucket elevator
  • Agitator
  • Hoisting gear
  • ball mills
  • Paper machine
  • Dryer












CE & ISO9001 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 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



With an installed fleet of more than 500,000 high speed gearboxes and more than 24 years of experience, DOFINE will become your alliance partner for the maintenance of your equipment at the highest technological level of performance and durability.


  • Highly skilled service engineers available in 24 hours
  • Delivery in shortest time 
  • Warranty: 12 months (Free spares will be provided as non-artificial quality reason within 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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China (Mainland) | Manufacturer, Trading Company
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