The Vintage Motorcycles
Specialists in antique, classic, veteran and vintage motorcycles.
Specialists in antique, classic, veteran and vintage motorcycles.
Ariel motorcycles occupy an important place in the history of British motorcycling. Produced in Birmingham, England, Ariel machines became known for their distinctive engineering, high-quality construction, and innovative design. During the early and mid twentieth century Ariel produced some of the most respected motorcycles in Britain, including the famous Ariel Square Four and the highly regarded Red Hunter series.
Although Ariel began manufacturing bicycles during the nineteenth century, the company later expanded into motorcycles and became one of the most influential British manufacturers of its era. Ariel motorcycles were widely admired for their reliability, strong performance, and refined engineering.
Today vintage Ariel motorcycles are highly collectible and remain popular among classic motorcycle enthusiasts around the world.
The Ariel company traces its origins back to the 1870s when it began producing bicycles in Birmingham. During the late nineteenth century many bicycle manufacturers began experimenting with motorized machines, and Ariel soon followed this trend.
By the early twentieth century Ariel had become a recognized motorcycle manufacturer. The company introduced a range of machines with different engine capacities designed to suit both everyday riders and sporting enthusiasts.
Throughout the interwar period Ariel motorcycles gained a reputation for durability and engineering excellence.
Ariel motorcycles were often characterized by thoughtful engineering and innovative mechanical designs. The company experimented with different engine configurations and developed machines that were both practical and technologically advanced for their time.
Perhaps the most famous example of Ariel engineering innovation was the Square Four engine designed by Edward Turner during the 1930s. This unusual four-cylinder engine layout became one of the most distinctive motorcycle engines ever produced.
Ariel motorcycles were also known for their smooth performance and strong torque, which made them suitable for touring as well as sporting use.
Over several decades Ariel produced a wide range of motorcycles with different engine capacities and mechanical layouts. Some models were designed primarily for commuting, while others were intended for touring or competition.
| Model | Production Years | Engine Type | Capacity | Category |
|---|---|---|---|---|
| Ariel VB | 1932-1956 | Single-cylinder four-stroke | 600cc | Military / touring motorcycle |
| Ariel Red Hunter | 1932-1959 | Single-cylinder four-stroke | 350cc - 500cc | Sport motorcycle |
| Ariel Square Four | 1931-1959 | Four-cylinder four-stroke | 500cc - 1000cc | High-performance touring motorcycle |
| Ariel KH | 1947-1956 | Parallel twin | 500cc | Touring motorcycle |
| Ariel Huntmaster | 1954-1959 | Parallel twin | 650cc | Touring motorcycle |
The Ariel Square Four remains one of the most famous motorcycles ever produced by the company. Designed by engineer Edward Turner during the early 1930s, the Square Four engine featured four cylinders arranged in a square configuration.
This design allowed the engine to remain compact while producing smooth and powerful performance. Early versions used overhead camshaft valve gear, while later models used pushrod valve systems.
The Square Four eventually grew to a capacity of 1000cc and became one of the most powerful British touring motorcycles of its era. Riders appreciated the engine's smoothness and strong torque, which made long-distance riding comfortable and enjoyable.
Today the Ariel Square Four is widely regarded as one of the most iconic motorcycles in British engineering history.
The Ariel Red Hunter series was another extremely successful motorcycle line produced by the company. Introduced during the early 1930s, the Red Hunter became known for its excellent performance and reliability.
These motorcycles typically used single-cylinder four-stroke engines available in several capacities, including 350cc and 500cc versions.
The Red Hunter was popular among both everyday riders and sporting enthusiasts. Its strong engine performance and balanced handling made it suitable for club racing and competition events.
Many Red Hunter motorcycles were also used in trials riding and endurance events.
The Ariel VB was a large single-cylinder motorcycle produced primarily during the 1930s and 1940s. With a 600cc four-stroke engine, the VB was designed as a durable touring machine capable of carrying riders over long distances.
During the Second World War the Ariel VB was used by military forces, where its reliability and simplicity made it well suited to demanding conditions.
After the war the VB continued to be produced for civilian riders.
Following the war Ariel introduced the KH model, which featured a parallel twin engine configuration. This design provided smoother performance and increased power compared with single-cylinder machines.
The KH became a popular touring motorcycle and demonstrated Ariel's ability to adapt to evolving motorcycle technology.
The Ariel Huntmaster was one of the final motorcycles produced by the company before the decline of the British motorcycle industry during the late 1950s.
This model used a powerful 650cc parallel twin engine and was intended to compete with other large British motorcycles of the era.
The Huntmaster was capable of impressive performance and became popular among touring riders.
Ariel motorcycles were also successful in competition events. The company participated in trials riding, endurance races, and various sporting competitions throughout the early twentieth century.
The Red Hunter models were particularly popular in competitive riding because of their strong torque and reliable mechanical construction.
These successes helped establish Ariel's reputation as a manufacturer of high-quality motorcycles.
During the late 1950s the British motorcycle industry began facing increasing competition from foreign manufacturers. Japanese motorcycle companies introduced modern machines that were reliable, affordable, and technologically advanced.
As a result many traditional British motorcycle manufacturers struggled to remain competitive.
Ariel eventually ceased motorcycle production in the late 1950s. Although the brand disappeared from the market, its motorcycles remain highly respected among collectors and enthusiasts today.
Vintage Ariel motorcycles are sought after by collectors due to their engineering significance and historical importance. Models such as the Square Four and Red Hunter are particularly desirable.
Restored Ariel motorcycles frequently appear at vintage motorcycle shows and classic vehicle exhibitions.
Collectors value these machines not only for their mechanical characteristics but also for their role in the history of British motorcycling.
Although Ariel motorcycles are no longer produced, the brand continues to be remembered as one of the most innovative British motorcycle manufacturers of the twentieth century.
The distinctive engineering solutions developed by Ariel engineers, especially the Square Four engine, remain important milestones in motorcycle design.
Today vintage Ariel motorcycles represent a fascinating chapter in the development of classic British motorcycling.
Ariel is a historic British motorcycle manufacturer and is featured in our guides to British vintage motorcycle brands as well as our complete overview of vintage motorcycle manufacturers by country, covering major global motorcycle industries from 1900 to 1980.
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