Worm gear drives

With over 75 years of experience and knowledge, TWG’s worm gear drives have the durability that you need and can depend on. Our gear drives are commonly used in the Infrastructure, Energy & Marine markets custom built for each application.

With output torque ratings from 4500 in-lbs (511 Nm) to 48,000 in- lbs (5450 Nm), our worm gear drives can handle a wide range of requirements. Mate with our slewing ring bearing for an efficient and convenient package

  • Tulsa Winch HFG938D hydraulic worm gear drive winch on white background
  • Tulsa Winch HFG1642D hydraulic worm gear drive winch on white background
  • Tulsa Winch HFG2030D hydraulic worm gear drive winch on white background

Features

  • Some models backdrivable**
  • Eccentric rings for easy installation
  • Static brakes

Technical specification downloads

Performance specifications

Output Torque Rating* TWG Model Lines
k in- lbs kNm Tulsa Winch Gear Products
4.5 0.51 004
6 0.68 HFG400
15 1.7 HFG900D
30 3.4 HFG1600D 008
40 4.5
48 5.4 HFG2000

Additional options

Option Line Pull
k in-lbs kNm
Static brake 5 to 48 0.57 to 5.4
Gear Ratio 10 to 15** 30 to 40 3.4 to 4.5
Gear Ratio 30 to 54 5 to 48 0.57 to 5.45
Eccentric Ring 5 to 40 0.57 to 4.5