Redex
Precision Gearboxes
Redex makes three ranges of precision gearboxes: SR differential epicyclic drives, BVI multi-speed spur gearboxes, and Z, R and C spiral bevel gearboxes – versatile, efficient and built for continuous duty.

- 95 – 98%bevel gearbox efficiency
- 6,000 rpmmax. speed
- 220 kWBVI power
- 240,000 NmSR torque
The range
The Gearbox Range
Z-Series Spiral Bevel
7 sizes, 6 types and 9 ratios (0.8 – 6:1), with ZT multiplier, ZD/ZI clutch and ZR hollow-bore versions.
- Up to 6,000 rpm
- 95 – 98% efficient
R-Series Heavy Duty
Heavy-duty extension of the Z-Series: 3 sizes, ratios 1, 2 and 3.
- 200 – 1,500 kW
BVI Multi-Speed
Cubic spur gearboxes for speed changes at constant power, with manual shifting – up to 288 speeds from 4 boxes.
- 6 sizes, 2 – 9 ratios
- Up to 220 kW
Other Ranges
| Range | What it is |
|---|---|
| SR series | Hollow-shaft epicyclic differential drives, 9 sizes from 200 to 240,000 Nm |
| C-Series | Simplified aluminium cubic bevel gearboxes, sizes 12, 16, 20; ratios 1:1 and 2:1; mounts on any face |
Why Redex gearboxes
Versatile by Design
Modular
The Z-Series starts from a cubic housing, with solid, hollow, splined or keyed shafts and motor flanges.
Low Backlash
Down to 3 arcmin on request.
ATEX
ATEX-compatible bevel gearboxes on request.
Differential Know-How
SR compound epicyclic gearing packs high torque into a compact unit.
Related
More Information
Not Sure Which One You Need?
Tell us about the job – the machine, the conditions and what it has to do – and we’ll help you choose the right Redex product.