LRG Series
Hypoid gear tram drives
The LRG series gearboxes are quiet, high-efficiency tram drives equipped with high-quality ground hypoid gears. Their innovative design, with a rigid one-piece housing and a non-contact labyrinth sealing system, significantly reduces power losses for optimal energy efficiency.
Reduction ratio: 5.2
Nominal torque: 1,660 Nm
Engine power: 110 kW
Maximum input speed: 4,000 rpm
Main features
- Compact, single-stage structure with hypoid gearing for optimal transmission
- Rigid, one-piece housing made of GGG40 spherical cast iron for exceptional strength
- Special labyrinth cover systems offering a seamless design on the inlet and outlet shafts
- Long-life bearings for reduced maintenance
- Elastic coupling on the input shaft and keyed coupling on the output shaft
- High-quality ground hypoid gears for quiet operation
- Reduced power loss thanks to the contactless sealing system
Product range
The LRG series is specifically designed for rail transport applications, offering reliable and efficient drive solutions for trams and other rail vehicles.
Detailed technical data
| Setting | Value | Unit |
|---|---|---|
| Reduction ratio [i] | 5.2 | - |
| Nominal torque | 1.660 | Nm |
| Engine power | 110 | kW |
| Nominal input speed | 1,580 | rpm |
| Maximum input speed | 4,000 | rpm |
| Degree of protection | IP65, IP67 | - |
| Serving temperature | -40°C to +120°C | °C |
Performance Table
| Reduced size | Report range [i] | Nominal torque [Nm] | Engine power [kW] | Rated input speed [rpm] | Maximum input speed [rpm] |
|---|---|---|---|---|---|
| LRG | 5.2 | 1.660 | 110 | 1,580 | 4,000 |
Technical advantages
| Characteristic | Profit |
|---|---|
| rectified hypoid gears | Silent and precise transmission with high efficiency |
| GGG40 one-piece case | Exceptional rigidity and resistance to vibrations |
| Labyrinth sealing | Elimination of power losses due to contact joints |
| High-life bearings | Reduced maintenance and increased reliability |
| Compact structure | Compact size for easy integration |
Available options
- Integrated speed and position sensors
- Advanced cooling systems
- Anti-corrosion coatings for harsh environments
- Specific mounting adapters
- Condition monitoring systems
- Custom tree configurations
Areas of application
The LRG series gearboxes are specifically designed for rail and mobile transport applications:
- Urban tramways - Main and auxiliary drive systems
- Light rail trains - Transmissions for railway vehicles
- Subways - Training for subway trains
- Special rail vehicles - Track maintenance machines
- Guided transport systems - Automated transport systems
Competitive advantages
Operational silence
Hypoid technology combined with high-quality ground gears ensures exceptionally quiet operation, essential for public transport applications in urban environments.
Energy efficiency
The non-contact labyrinth sealing system eliminates traditional power losses from seals, enabling significant energy savings over the product's lifetime.
Superior reliability
With long life bearings and a one-piece GGG40 housing, the LRG series offers exceptional reliability suited to the intensive duty cycles of rail transport.
Entry type
LRG Series
With elastic coupling inlet
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