"> RENK RENK MAAG LGDH
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RENK

RENK MAAG LGDH

The RENK MAAG LGDH is a high‑power epicyclic marine reduction gearbox designed to transmit 10 000–40 000 kW from the main engine to the propeller, offering compact size and very high mechanical efficiency; source-listed capacity 10000-40000 kW. The supplied category identifies it as Reduction Gearbox, and it is normally installed between a propulsion engine or motor and the shaft line, reducing or adapting rotational speed and transmitting torque to the propeller. In that role, its primary purpose is to match prime-mover speed and torque to the propulsion shaft while providing the required clutching or reduction arrangement. Single-stage, multi-stage and epicyclic marine gearboxes differ in gear geometry and layout, but all depend on alignment, tooth contact, bearings and clean pressurized lubrication. Within the supplied list, this entry is distinguished from neighbouring variants by its model designation and the explicitly listed capacity; no further model-specific difference is stated in the source. No additional performance, approval or construction detail is inferred from the model code beyond the information supplied in the source record. For exact ratings, dimensions, settings, capacities, materials and variant-specific limits, refer to the manufacturer documentation for the exact figure.

10000-40000 kW
Capacity

Components & Design

Component data being added…

Technical Data

gearbox type epicyclic marine gearbox
power range 10000-40000 kW

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Common failures & inspection points

Gear-tooth pitting, scuffing or damage produces abnormal noise, vibration or metallic debris in lubricating oil
Bearing wear or misalignment causes rising temperature, vibration and altered tooth contact
Lubrication-pump, filter or cooler faults cause low oil pressure, high oil temperature or protective trips
Clutch or hydraulic-control faults where fitted cause slipping, delayed engagement or inability to transmit torque
Seal or flange leakage causes oil loss and contamination of the gearbox foundation

Service & Maintenance

Inspect oil level and condition, filters, coolers, pumps, bearing temperatures, vibration, seals and alignment. Review magnetic plugs or oil-debris findings and investigate changes in gear noise. Check clutch or control response where applicable. Refer to the manufacturer documentation for the exact figure for backlash, tooth contact, oil pressure and bearing limits.

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Replacement Parts

Carry filters, pump and valve service parts, seals, approved lubricants, clutch components where fitted, temperature or pressure sensors and critical bearing or fastening parts.
Equipment Model #68720 · ✓ still in production