Side-by-side comparison
| Criterion | Gearless MRL traction | Hydraulic |
|---|---|---|
| Machine room | Not required | Compact power unit / tank located nearby |
| Space efficiency | High — machine in the shaft | Requires space for the power unit |
| Typical speed | 0.3–1.75 m/s depending on configuration | Generally lower, suited to short travel |
| Ride & noise | Quiet, smooth with VVVF control | Smooth but pump/valve noise can be audible |
| Energy use | Lower; counterweight balances the car | Higher on the upward run; no counterweight |
| Maintenance | Mechanical/electrical, no oil circuit | Oil, seals, hoses, valves, temperature effects |
| Overhead requirement | Needs defined overhead for machine and clearances | Can suit lower overhead in some layouts |
| Best fit | Most villas, residential blocks, hotels | Low-rise retrofit with constrained geometry |
This is a general technical comparison, not a specification of any particular model. Final selection follows the measured shaft, pit, overhead, load and supply.
When MRL wins
- The building has a defined shaft with adequate overhead height.
- Low noise and low running cost are priorities for a private home.
- The lift will serve more than two or three floors, or a residential block.
- The buyer wants to avoid an oil circuit and its maintenance.
When hydraulic can still be right
- Very low overhead or an unusual structure makes a traction arrangement difficult.
- Short travel, low duty cycle and a simple retrofit.
- A separate plant space for the power unit is acceptable.
The export dimension
Both arrangements need their drive package matched to the local grid. In Gulf markets the 415 V / 50 Hz or 380 V / 50 Hz supply, high ambient temperature and any glass shaft solar gain must be handled at the quotation stage. See the power supply guide and the Gulf project notes.
For the product configurations themselves, compare villa & home lifts and MRL passenger lifts.