Globally known for durability, efficiency and reliable operation, Horsburgh & Scott manufactures the line of Mark NSS Gearboxes as bolt-in replacement units. These units are engineered with Horsburgh & Scott quality and dependability, and come with a full two year warranty.
Carburized and hardened, ground single helical gearing
Lead and profile modifications for efficiency and vibration free operation
Spherical and cylindrical roller bearings for high efficiency
Optimized gear geometry for noise and efficiency
Common mounting dimensions to Mark II and Signature Series Units
Welded steel housings (on most units)
Fan cooling available to increase power ratings
Single, double and triple reduction gearboxes
Parallel Shaft Gearboxes from 3 – 5000 HP
Sizes: 70S – 200S, 70D – 200D, 70T – 200T
Ratios: 2.0:1 to 107.17:1
Globally known for durability, efficiency and reliable operation, Horsburgh & Scott manufactures the line of Mark NSS Gearboxes as bolt-in replacement units. These units are engineered with Horsburgh & Scott quality and dependability, and come with a full two year warranty.
- Carburized and hardened, ground single helical gearing
- Lead and profile modifications for efficiency and vibration free operation
- Spherical and cylindrical roller bearings for high efficiency
- Optimized gear geometry for noise and efficiency
- Common mounting dimensions to Mark II and Signature Series Units
- Welded steel housings (on most units)
- Fan cooling available to increase power ratings
- Single, double and triple reduction gearboxes
- Parallel Shaft Gearboxes from 3 – 5000 HP
- Sizes: 70S – 200S, 70D – 200D, 70T – 200T
- Ratios: 2.0:1 to 107.17:1
