Repair Kit Gear with Bearing, Gearbox G4, RAINSTAR E Series, Bauer 8343880

SKU: PTC-000505
KM 302

Tax excluded.


Original Bauer Spare Part for Hose Reel Irrigators

Original Bauer repair kit with a gear and deep groove ball bearing for the G4 gearbox of RAINSTAR E series hose reel irrigators. It restores smooth running when the gear or bearing is worn.

Original Bauer part no.: 8343880. ProTesCa reference: PTC-000505.

Compatibility and Fitment

  • Bauer RAINSTAR E11, E21, E31, E41, E51, E51XL, E55, E55L, E55XL
  • Gearbox G4 (spare parts drawing position 77)

Not sure which part fits your machine? Send us the type plate details or serial number and we will check it for you.

Scope of Delivery and Installation

  • 1 x gear
  • 1 x deep groove ball bearing
  • Weight approx. 1.1 kg

Press the bearing on squarely using a suitable sleeve that bears on the inner ring only. Check that the gear turns freely before closing the gearbox and refilling the oil.

Buying Guide

Replace the shaft seals at the same time if the gearbox has shown oil leaks.

Genuine Parts, Fast Shipping and Expert Support

ProTesCa supplies genuine Bauer spare parts sourced directly from the manufacturer. All prices are net prices excluding VAT. We ship across Germany and Europe and our team helps with part identification and technical questions.

About the Producer

BAUER Group is an Austria-headquartered global technology leader in irrigation, slurry handling, and environmental engineering solutions. With decades of industrial expertise and continuous innovation, the company delivers high-performance systems designed to optimize agricultural productivity and resource efficiency worldwide. Its comprehensive portfolio spans irrigation systems, slurry management equipment, pumping technology, and advanced separation solutions for professional agricultural and industrial markets. 

Engineered and manufactured in Europe under stringent quality standards, BAUER systems are built for durability, operational reliability, and long service life in demanding field conditions. Backed by strong in-house development capabilities and a global service network, the group combines Austrian engineering tradition with international execution power. The result is future-oriented solutions that integrate technical precision, operational efficiency, and sustainable resource management.

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