Bonfiglioli 309 Series Planetary Gear Reducer

The best replacement of Bonfiglioli 309 gearbox.

This Planetary Gearboxe is for Twin Shaft Concrete Mixers of 1to 2cbm.

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Bonfiglioli 309 Series Planetary Gear Reducer

Technical Specifications

Bonfiglioli 310 (300 Series) Core Technical Parameters

Parameter

Value

Series

300 Series Planetary Gearbox

Model

310 (including 310M/310L variants)

Nominal Output Torque (T₂N)

25,000 Nm

Max. Input Speed (n₁max)

2,000 rpm

Ratio Range (i)

3.4 ~ 5,000 (multi-stage combinations)

Max. Allowable Input Power

Up to 1050 kW

Weight (Typical)

~230–250 kg (concrete mixer version)


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SNAKE Planetary Gearbox complies with EU standard

SNAKE produced gearbox by our own heat treatment furnace.All of our machines are from Germany to ensure the most tiny tolerance.

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Key Performance Features

Performance

Design Type:

  • Modular planetary gear train, available in inline (coaxial) or right-angle (bevel gear) configurations for concrete mixer applications.

Load Capacity:

  • Designed for severe duty with high shock loads and frequent start-stop cycles (typical for concrete mixers).

Standards Compliance:

  • ISO 6336 (Gear calculation method B)
  • ISO 281 (Bearing life calculation)
  • DIN 743 (Shaft design)

Lubrication:

  • Oil bath lubrication, with oil capacity optimized for heat dissipation in continuous operation.
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Application & Mounting

Typical Applications:

  • 2–3 m³ twin-shaft forced concrete mixers
  • Heavy-duty construction machinery (e.g., rotary drilling rigs)

Mounting Options:

  • Output: Flange mount (standard for mixer connection)
  • Input: Compatible with hydraulic motors or electric motors (IEC/NEMA interfaces)

Protection:

  • Industrial-grade sealing against dust and moisture, suitable for harsh construction site environments.

Compare 309 with 310

Product Comparison

Parameter

Bonfiglioli 309

Bonfiglioli 310

Nominal Output Torque

18,500 Nm

25,000 Nm

Max. Input Speed

2,500 rpm

2,000 rpm

Typical Application

1.5–2 m³ mixers

2–3 m³ mixers

Weight

~200 kg

~230–250 kg


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Product parameters and related specifications

Product Certification

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SNAKE MACHINERY

SNAKE provide comprehensive solution for your batching plant.Our products have attractive appearance, longer service life, high precision and customized service.

SNAKE MACHINERY is a high-end special batching plant parts manufacturing enterprise. We have nearly 20 years experience of R&D and service with over 25 patents. Our products are highly praised by customers because of good precision and long service life.

Leading Batching Plant Parts manufacturer
Over 15 techniques and 13 quality controller
Germany CNC machining equipment with high precision
Export to over 56 countries and welcomed
8 years repair rate within 1% and free spare parts service
EU CE and ISO 9001 certificate

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Professional Expertise

With many years of experience and rich project knowledge.

Customized Solutions

Tailored products and solutions based on customer needs.

Global Service Network

Timely technical support and after-sales service for customers worldwide.

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Product parameters and related specifications

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sales@batchingplantpart.com
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Over the past 20 years, SNAKE has expanded into multiple areas

providing global customers with comprehensive solutions of BatchingPlant Parts.

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