---
title: The new Ringfeder 404 AUS series
description: Discover the new Ringfeder 404 AUS series, designed for tough conditions with superior strength and performance. Upgrade your RF50 AUS with our upcoming kit.
---

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The new Ringfeder 404 AUS series

# Our toughest coupling yet!

## Designed by real customer feedback

- **Next-Gen engineering** by combining the best of the old and new RINGFEDER
- **Built tough** for Australia’s harshest roads.
- **Proven strength** of 320 kN for troublefree heavy-duty performance.
- New component design for **long-term**  reliable operation.
- **Long-lasting, high-value, low operation cost**

![Ringfeder-404-AUS-B-MSD-front](https://info.ringfeder-rf.com/hubfs/Ringfeder/RF_Products/Ringfeder-404-AUS-B-MSD-front.webp)![ringfeder-hero-product-front-shadow](https://info.ringfeder-rf.com/hubfs/Assets/ringfeder-herman/media/ringfeder-hero-product-front-shadow.png)

## WHAT'S NEW?

![RIngfeder-404-AUS](https://info.ringfeder-rf.com/hubfs/Ringfeder/RF_Products/RIngfeder-404-AUS.webp)

#### Manual twist-lock for second locking

#### Improved upper bushing for smoother operation

#### Dust sealing for better dirt protection

#### Improved top cover sealing fit

#### Grease nipple for grease or oil choice

#### Reinforced coupling body for extra strength

![ringfeder-production-coupling](https://info.ringfeder-rf.com/hs-fs/hubfs/Ringfeder/RF_Image/ringfeder-production-coupling.webp?width=800&name=ringfeder-production-coupling.webp)

## Built to last

We deliver long-lasting performance with premium materials, precise manufacturing, and full lifecycle support. Maximizing value for every owner and user – the Ringfeder way. 

![Upgrade kit product image](https://info.ringfeder-rf.com/hs-fs/hubfs/Ringfeder/RF_Products/ringfeder-upgrade-kit-RF-AUS-.webp?width=800&name=ringfeder-upgrade-kit-RF-AUS-.webp)

## Want to upgrade your RF50 AUS?

Stay tuned for our new upgrading kit to easily upgrade your existing RF50 AUS that comes fitted from factory with the brand new Ringfeder 404 AUS series.

[Read more](https://www.ringfeder-rf.com/en-au/products/coupling/accessories/ringfeder-msd-twist-lock---upgrade-kit/?v=15991084)

![RIngfederRF-404-AUS-B-MSD-with-shock-absorber+wear plate](https://info.ringfeder-rf.com/hs-fs/hubfs/Ringfeder/RF_Products/RIngfederRF-404-AUS-B-MSD-with-shock-absorber+wear%20plate.webp?width=800&name=RIngfederRF-404-AUS-B-MSD-with-shock-absorber+wear%20plate.webp)

## New accessory!

**Shock absorb & wear resist kit – Suitable for 50mm couplings**

Increase driver comfort and significantly reduce wear and tear in harsh conditions – Suitable for applications where coupling and uncoupling is rarely required.

 

[Read more](https://www.ringfeder-rf.com/en-au/products/coupling/accessories/ringfeder-shock-absorber-kit-for-404-5025-nz/?v=15991160)

![heavy transport australia](https://info.ringfeder-rf.com/hs-fs/hubfs/Ringfeder/Assets/AUS%20img/ringfeder-australia.webp?width=800&name=ringfeder-australia.webp)

## ![quote-icon-2](https://info.ringfeder-rf.com/hubfs/quote-icon-2.svg)

## By understanding our challenges, Ringfeder build solutions to fit our needs.

\- Fleet manager, Australia

## The new range

### [![](https://info.ringfeder-rf.com/hs-fs/hubfs/Ringfeder/RF_Products/RIngfeder-404-AUS.webp?width=800&name=RIngfeder-404-AUS.webp) Ringfeder 404 AUS B MSD](https://www.ringfeder-rf.com/en-au/products/coupling/couplings/ringfeder-trailer-coupling-404-aus-b-msd)

### [![](https://info.ringfeder-rf.com/hs-fs/hubfs/Ringfeder/RF_Products/RIngfeder-404-AM.png?width=800&name=RIngfeder-404-AM.png) Ringfeder 404 AUS AM](https://www.ringfeder-rf.com/en-au/products/coupling/couplings/ringfeder-trailer-coupling-404-aus-am)

## I want to know more

Show more

- VBG GROUP TRUCK EQUIPMENT GMBH
- Girmesgath 5 D-47803 Krefeld  |  [Privacy](https://www.ringfeder-rf.com/en-au/privacy)

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