The Chevrolet Master 85 was the more affordable of Chevrolet’s main passenger-car lines for 1939. It combined straightforward engineering, six-cylinder power and refreshed styling in a package intended to offer dependable everyday motoring.
This Coupe has an additional New Zealand story. Although it left the factory with Chevrolet’s 216.5 cu in straight-six, it was later fitted with a larger 235 cu in Chevrolet engine sourced through New Zealand Army surplus. That replacement engine remains part of the car today.
A Practical Chevrolet
The Master 85 was designed for buyers who wanted a dependable car without the additional cost of Chevrolet’s more expensive Master De Luxe range. It retained a conventional beam front axle and leaf-spring suspension, making it mechanically simpler than the independent front suspension used on the Master De Luxe.
That simplicity suited Chevrolet’s reputation for practical, durable cars that could be maintained without excessive complexity.
The Coupe Body
The Coupe offered a more personal alternative to Chevrolet’s larger sedans. Its compact two-door body gave the car a sportier appearance while still retaining the basic engineering and reliability of the Master 85 range.
A total of 41,770 Master 85 Coupes were produced for 1939, making it an important part of Chevrolet’s model line that year.
The Engine in This Car
Today, this Master 85 is powered by a 235 cu in Chevrolet overhead-valve straight-six.
This is not the engine originally fitted when the car was built in 1939. From the factory, the Master 85 used a smaller 216.5 cu in straight-six. At some point later in the car’s life, that engine was replaced with the larger 235.
The replacement engine was obtained through New Zealand Army surplus, giving the car a particularly local mechanical history.
Why the 235 Matters
Chevrolet’s 235 cu in straight-six became one of the company’s best-known six-cylinder engines and was widely used in later cars and trucks.
Fitting one to an older Chevrolet was a practical way to keep a car on the road while gaining the benefit of a larger and more modern powerplant. Changes like this were common when older vehicles were still regarded primarily as transport rather than historic artefacts.
For that reason, the engine swap is not simply a deviation from factory specification. It is part of the car’s working history.
Styling for 1939
Chevrolet updated the appearance of its cars for 1939 with a longer bonnet, revised grille treatment and repositioned headlights.
The result was a more modern look while still retaining the upright proportions typical of the late 1930s. The Master 85 was deliberately less mechanically sophisticated than the Master De Luxe, but visually it still benefited from Chevrolet’s broader styling updates.
Simple, Proven Engineering
The Master 85 retained traditional front suspension with a beam axle and leaf springs. It also used a three-speed manual transmission, giving the car a straightforward drivetrain layout.
This emphasis on proven engineering made the Master 85 appealing to buyers who valued reliability and ease of maintenance over more advanced suspension systems.
A Car That Evolved in Use
One of the most interesting things about this Chevrolet is that it does not survive exactly as it left the factory.
Its later 235 cu in engine tells the story of a car that continued to be used, repaired and adapted over time. Rather than freezing the vehicle at its 1939 specification, the change reflects the practical decisions made by owners who wanted to keep it running.
That makes the car a useful reminder that historic vehicles often had long working lives before becoming museum pieces.
This Car
Built in 1939, this Chevrolet Master 85 Coupe combines original late-1930s Chevrolet styling with a later 235 cu in straight-six sourced through New Zealand Army surplus.
Its compact Coupe body, simple chassis and three-speed manual transmission reflect the practical design of the Master 85, while the replacement engine adds a distinctly New Zealand chapter to its history.
Today, the car represents not only how Chevrolet built affordable cars before the Second World War, but also how those cars were maintained, modified and kept in service long after they first left the factory.
Description:
Engine: 235 cu in Chevrolet OHV straight-six
Transmission: Three-speed manual
Specifications:
41,770
Number Produced:
Chevrolet Division, General Motors, USA
Manufacturer:
1939
Year:



