Bridge Supported Drive Assemblies Model 8B3
| Model 8B3 Output Torque (Note 1): 6,400 ft-lbs (8,700 N-m) Drive Motor: 1/2 hp Approximate Worm Gear Weight: 1,050 lbs 
 
 Notes: 
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| Model 8B3 Output Torque (Note 1): 6,400 ft-lbs (8,700 N-m) Drive Motor: 1/2 hp Approximate Worm Gear Weight: 1,050 lbs 
 
 Notes: 
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