Gear Reducer MM0456701 - GS-45 housing, 20CrMnTi gears Suitable Models: NP13
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Gear Reducer

OEM Part Numbers Compatible: MM0456701

Gear Reducer for Metso NP13 impact crusher, OEM No. MM0456701. Standard-duty design matched to OEM specifications. Made of GS-45 housing, 20CrMnTi gears with hardness 55-60 HRC (tooth surface). Weight: 1800 kg. Dimensions: 1400 x 1100 x 1000 mm. Suitable for crushing limestone, coal and gypsum under standard feed conditions.

Weight
1800 kg
Hardness
55-60 HRC (tooth surface)
Dimensions
1400 x 1100 x 1000 mm
Certification
CE / ISO 9001
Lead Time
60 days
Warranty
12 months

Suitable Model

NP13

Application

Heavy-duty gear reducer (gearbox) between the electric motor and crusher drive, reducing motor speed and increasing torque to drive the rotor.

Installation Notes

Align input/output shafts with flexible coupling misalignment limits; fill to the oil sight glass; check oil temperature and leaks during commissioning.

FAQ

What oil should the gear reducer use?
Use an EP industrial gear oil of the viscosity and grade specified on the nameplate; check the level at the sight glass and change at scheduled intervals.
How is the reducer coupled to the crusher?
It connects to the drive via a flexible (jaw) or cone-clamping coupling; keep misalignment within the coupling limits.
What if the reducer overheats?
Check oil level and quality, ventilation, bearing temperature and alignment; sustained high temperature usually points to overfilling, contamination or misalignment.

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Gear Reducer · MM0456701 · NP13
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