
Gearbox series
GB Series
GB Series is Dinamic Oil's most extensive high-torque range, designed for demanding industrial duty with strong thermal and mechanical performance.
The family combines 98% stage efficiency, modular construction, and large output ratings from 88,560 ft-lbs to 2.2 million ft-lbs nominal torque.
88,560 to 2.2 million ft-lbs nominal torque
Specifications
GB Series max output torque
Reference selection chart for nominal torque levels by GB model.
| Model | Torque (ft-lbs) | Torque (Nm) |
|---|---|---|
| GB 12100 | 207,254 | 281,000 |
| GB 16000 | 263,309 | 357,000 |
| GB 21000 | 299,450 | 406,000 |
| GB 26000 | 398,283 | 540,000 |
| GB 31000 | 479,415 | 650,000 |
| GB 40000 | 479,415 | 650,000 |
| GB 45000 | 479,415 | 650,000 |
| GB 53000 | 878,436 | 1,191,000 |
| GB 61000 | 966,206 | 1,310,000 |
| GB 85000 | 966,206 | 1,310,000 |
| GB 110000 | 1,659,514 | 2,250,000 |
| GB 130000 | 2,006,169 | 2,720,000 |
| GB 150000 | 2,006,169 | 2,720,000 |
| GB 205000 | 2,669,974 | 3,620,000 |
| GB 235000 | 2,669,974 | 3,620,000 |
- GB 12100207,254 ft-lbs (281,000 Nm)
- GB 16000263,309 ft-lbs (357,000 Nm)
- GB 21000299,450 ft-lbs (406,000 Nm)
- GB 26000398,283 ft-lbs (540,000 Nm)
- GB 31000479,415 ft-lbs (650,000 Nm)
- GB 40000479,415 ft-lbs (650,000 Nm)
- GB 45000479,415 ft-lbs (650,000 Nm)
- GB 53000878,436 ft-lbs (1,191,000 Nm)
- GB 61000966,206 ft-lbs (1,310,000 Nm)
- GB 85000966,206 ft-lbs (1,310,000 Nm)
- GB 1100001,659,514 ft-lbs (2,250,000 Nm)
- GB 1300002,006,169 ft-lbs (2,720,000 Nm)
- GB 1500002,006,169 ft-lbs (2,720,000 Nm)
- GB 2050002,669,974 ft-lbs (3,620,000 Nm)
- GB 2350002,669,974 ft-lbs (3,620,000 Nm)
Capabilities
Key features
Highlights curated from the official series page, adapted into a cleaner technical summary.
- Large output capability up to 2.2 million ft-lbs
- 1 to 6 reduction stages with multiple ratios
- One-piece integrated output shaft/primary carrier for pull-out resistance
- Sectional design for easier maintenance
- 98% efficient planetary gears
- Quiet and smooth transmission profile
- Stocked in Charlotte, North Carolina
Accessories
Common options across the gearbox family
Accessory availability varies by model and configuration; final selection depends on application and integration requirements.
- Negative static multi-disc brakes
- NEMA and IEC electric motor inputs (RE / GB / HyPer families)
- Foot supports
- Torque arms and shrink discs
- Two-speed inputs and disconnects
- Water cooling jackets
