TWG Range

The Hi-Force TWG range of mechanical torque multipliers offers output torque capacities up to 7330 lbf.ft with gearbox multiplication ratios from 4:1 to 28.5:1. Available in a choice of 6 models, each fitted with a high performance aluminum housing, all models are ideal for use in bolting applications in many industries including oil & gas, construction, railways, ship building, machinery & plant engineering and heavy vehicle workshops.

All models are supplied with an offset reaction arm and models TWG40, TWG60 and TWG100 are additionally fitted with an anti-wind up ratchet and non-destructive overload safety mechanism for enhanced gear protection. Hi-Force TWM range of manual torque wrenches are recommended for use with TWG torque multipliers.

  • Torque capacities up to 7330 lbf.ft
  • Lightweight aluminum housing
  • Supplied complete with reaction arm
  • Single stage planetary gear in models up to 2050 lbf.ft
  • Compact two stage planetary gear in models up to 7330 lbf.ft
  • Output square drives of ¾”, 1" and 1 ½”

Mechanical Torque Multipliers
Model Number Torque Capacity Gearbox ratio Input Square Drive Output Square Drive Overload Protection Recom. Torque Wrench Weight lbs
Lbf.ft Nm
TWG13 950 1300 5:1 1/2" 3/4" No TWM300 2.9
TWG20 1500 2000 4:1 3/4" 1" No TWM550 4.0
TWG28 2050 2800 5.5:1 3/4" 1" No TWM550 5.3
TWG40 2930 4000 16:1 1/2" 1" Yes TWM300 9.3
TWG60 4400 6000 18:1 3/4" 1 1/2" Yes TWM400 14.6
TWG100 7330 10000 28.5:1 3/4" 1 1/2" Yes TWM400 24.0

Model Number Dimensions in inch
A B C D E
TWG13 5.24 3.15 4.89 3.78 3.86
TWG20 5.16 3.47 7.49 5.91 3.15
TWG28 5.75 4.18 8.71 6.26 3.27
TWG40 8.94 3.47 6.9 5.32 4.33
TWG60 10.09 4.02 9.46 7.49 5.71
TWG100 11.5 5.59 10.52 8.47 6.42