Production years
2013-2019
Claas tractor ยท 2013-2019
Claas Arion 420 Tractor
The Claas Arion 420 is a four-cylinder Arion 400-series tractor built at Le Mans, France, from 2013 to 2019. With its 4.5 L diesel engine producing about 120 hp, it became a capable, compact all-rounder, particularly well suited to the varied duties of British livestock and mixed farms.
Engine
4.5 L four-cylinder diesel
Power
About 120 hp
Transmission
Quadrishift / Hexashift
Claas Arion 420 specifications
| Production years | 2013-2019 |
|---|---|
| Engine | 4.5 L four-cylinder diesel |
| Power | About 120 hp |
| Transmission | Quadrishift / Hexashift |
| Fuel type | Diesel |
| Hydraulics | Rear linkage with electronic control |
| Built at | Le Mans, France |
What the Arion 420 is used for
Designed to cover everyday mid-range work, the Arion 420 suits loader duties, feeding, mowing, baling, transport and lighter cultivation. Its Quadrishift or Hexashift transmission and electronically controlled rear linkage give it the flexibility expected on a busy mixed holding.
Today, good examples remain practical working tractors rather than purely show machines. They appeal to smallholders and farmers wanting a modern-enough, manoeuvrable diesel tractor for regular work.
Why the Claas Arion 420 stands out
For UK enthusiasts, the Arion 420 offers a useful blend of Claas farm heritage and everyday practicality. Its Le Mans build and compact four-cylinder layout give it a distinct place in the modern Claas story. As with any electronically equipped tractor of this period, diagnostic history, cab condition and transmission behaviour matter as much as cosmetic appearance.
Buying a used Claas Arion 420
Check that the 4.5 L diesel starts cleanly, runs evenly and has no concerning smoke, leaks or warning messages. Test both transmission operation and direction changes when warm, then assess the electronically controlled rear linkage and hydraulic responses under load. Inspect brakes, tyres, bonnet and cab for neglected work, corrosion or damage. Confirm service records, serial details, registration and original specification. Have it inspected if uncertain. Confirm figures and originality against TractorData.com and club records; values vary by condition, so check current listings rather than a fixed price.
Claas Arion 420 frequently asked questions
How much power does a Claas Arion 420 have?
The Arion 420 is rated at about 120 hp. It uses a 4.5 L four-cylinder diesel engine, giving it useful power for feeding, mowing, baling, loader work, transport and other routine duties on livestock or mixed farms.
When was the Claas Arion 420 built?
This version of the Claas Arion 420 was built from 2013 to 2019. It belongs to the Arion 400 range and was manufactured at Claas's Le Mans plant in France.
Which transmission is fitted to an Arion 420?
Verified Arion 420 specifications list Quadrishift or Hexashift transmission options. When viewing a tractor, establish which version is fitted and test its operation carefully, especially after the machine has fully warmed through.
Specifications are commonly cited figures for general reference; exact figures vary by year and serial number, so confirm against TractorData.com and the machine's records. Used tractor values vary by condition and region. Page updated 19 Sep 2026.