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M Series

Foot-mounted helical gear reducers

The M series gearboxes are robust drive units with a solid output shaft, designed for demanding industrial applications. Their helical gear and parallel shaft design ensures quiet operation and optimal power transmission.

Ratio value range: 3 - 23.464

Rated torque: 82 - 18,000 Nm

Available sizes : 12 sizes

Configuration: Parallel input/output trees

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Main features

One-piece cast iron construction for exceptional rigidity and durability
Two or three stages can be housed in the same casing for optimal compactness.
The reduction can be increased up to six floors with an additional reducer.
Bearing solutions specifically designed to support high radial and axial loads
Parallel input and output shafts for simplified installation and precise alignment
Solid output shaft offering superior mechanical strength
Mounted on a support for optimal stability and anchoring.

Product range

Our M series includes 12 different sizes covering a wide range of torques from 82 to 18,000 Nm, suitable for the most varied and demanding industrial applications.

Detailed technical data

Setting	Value	Unit
Range of reduction ratios	3 - 23,464	-
Couple nominal	82 - 18 000	Nm
Typical yield	94 - 97%	-
Degree of protection	IP55, IP65, IP66	-
Serving temperature	-20°C to +100°C	°C
Noise level	≤ 68 dB(A)	dB

Size chart

Reduced size	Report range [i]	Couple nominal [Nm]	Output shaft diameter/length [mm]
M00	4 - 45	82	Ø20/40
M10	4 - 51	140	Ø25/50
M17	3 - 99	200	Ø25/50
M20	4 - 68	280	Ø30/60
M27	3 - 2,920	450	Ø35/70
M28	3 - 3,215	600	Ø35/70
M37	3 - 4,946	820	Ø40/80
M47	3 - 7,459	1.550	Ø50/100
M57	4 - 8,092	3 000	Ø60/120
M67	3 - 17.441	4.300	Ø70/140
M77	5 - 23,464	8 000	Ø90/170
M87	4 - 17.502	13 000	Ø110/210
M97	7 - 20,052	18 000	Ø120/210

Technical advantages

Characteristic	Profit
One-piece housing	Superior structural rigidity and optimal sealing against contaminants
Helical gears	Quiet operation, high efficiency and extended lifespan
Parallel trees	Simplified installation and precise alignment with driven equipment
High-capacity bearings	Supports high radial and axial loads in demanding applications
Full output tree	Optimal torque transmission and superior mechanical strength

Available options and accessories

Different output shaft options depending on specific needs
Specific connection flanges for servomotors for perfect integration
Electromagnetic brake motors (24V/220V/380V) for precise control
Anti-deflector applications for increased safety
512 or 1024 pulse encoder for position and speed control
External fan cooling option for frequency inverter applications
Special coatings for corrosive or ATEX environments

Areas of application

The M series gearboxes are designed for a wide range of demanding industrial applications:

Transport machinery - Conveyors, bucket elevators, screw conveyors
Food processing industry - Mixers, blenders, processing machines
Material handling equipment - Hoists, winches, overhead cranes
Machine tools - Lathes, milling machines, special machines
Paper industry - Rolling mills, paper machines, winders
Robotics and automation - Robotic arms, positioning systems

Competitive advantages

Exceptional modularity

With the ability to integrate up to six reduction stages and a wide range of options, the M series adapts perfectly to the specific needs of each industrial application.