Bosch Rexroth hydraulic oil motor for the Sennebogen Engineering Equipment 069774 073394 114008 114617 118747 141474 48520 70342

On a Sennebogen material handler, motors typically appear in three places:

Travel drive: moves the undercarriage, usually through a planetary gearbox.

Slewing drive: rotates the upper carriage, with frequent starts and stops under heavy inertia.

Winch or auxiliary drives: on crane and duty-cycle configurations.

Each application stresses the motor differently. Travel motors see shock loads and contamination, while slew motors take repeated hard braking. A part that works well in one position can fail quickly in another.

Why Bosch Rexroth Motors Are Common in Heavy Mobile Equipment

Proven piston technology

Rexroth's axial piston designs are widely used in mobile machinery because they handle high pressure, compact packaging, and variable displacement. Series you will often encounter in this class of equipment include:

A6VM: variable displacement bent-axis motor, popular for travel and slew drives.

A2FM: fixed displacement bent-axis motors.

A10FE: swashplate-design motor for various mobile applications.

How to Identify the Correct Rexroth Motor

Buying by machine model alone is the most common and most expensive mistake. Use this sequence instead.

1. Read the motor nameplate

The nameplate carries the type code (for example, a string beginning "A6VM…") and the material number, which Rexroth formats as R9 followed by digits. The material number identifies the exact configuration, including displacement, control, shaft, and ports.

2. Cross-check with Sennebogen documentation

Your machine's spare parts catalog, accessed through your Sennebogen dealer using the serial number, lists the approved part for your build. Serial-number lookup matters because mid-production changes are common.

3. Verify the critical specifications

Displacement (cc/rev)

Rated and peak pressure

Shaft type and spline

Mounting flange and port connections

Control type and pilot pressure

Integrated valves (brake valves, flushing valves, counterbalance)

Direction of rotation

Maintenance Practices That Extend Motor Life

Use the right fluid

Mineral oil to HLP (DIN 51524) is common, but always confirm the approved fluid in the machine manual and motor data sheet. Biodegradable fluids are sometimes used and need specific compatibility checks.

Control cleanliness

Follow the recommended filter change intervals.

Use clean containers and filler equipment.

Replace breather filters.

Run periodic oil analysis, especially on machines in dusty applications.

Break in new motors correctly

After installation, fill the motor case with clean oil before start-up. Running a piston motor dry can damage it within seconds. Start at low speed and low load, and check for leaks and temperature.

Flush the system after a failure

If the old motor shed debris, that debris is in your lines, cooler, and pump. Replacing the motor without flushing is a common reason new units fail early.

For more brands and equipment models, please visit https://www.baolilaihydraulic.com/brand/

Q1: Which Bosch Rexroth motor fits my Sennebogen machine?

A1: It depends on the model, serial number, and configuration. Use the motor nameplate and Sennebogen's parts catalog to confirm the exact type code.

Q2: Is it worth rebuilding a hydraulic motor?

A2: Often yes, if the housing and major components are sound. A bench test with a warranty is the key to a trustworthy rebuild.

Q3: What is the price and delivery time of the Rexroth hydraulic motor for the Sennebogen Engineering Equipment?

A3: The specific price and delivery time will depend on the equipment model or specific product model you provide.

Q4: How do I purchase a Rexroth hydraulic motor for the Sennebogen Engineering Equipment?

A4:You can visit https://www.baolilaihydraulic.com/contact/ to contact us and purchase our products through various methods.