The Vintage Motorcycles
Specialists in antique, classic, veteran and vintage motorcycles.
Specialists in antique, classic, veteran and vintage motorcycles.
The 1926 Henderson Model De Luxe was a premium American four-cylinder motorcycle produced by the Henderson Motorcycle Company as part of the Excelsior organization under Ignaz Schwinn. The De Luxe had been introduced in 1922 and was developed as a high-performance touring motorcycle, combining Henderson's distinctive longitudinal inline-four engine with a durable chassis and strong road performance.
The 1926 De Luxe used a 79.4 cubic-inch, approximately 1,301 cc, air-cooled side-valve inline-four engine. The engine was part of the compact side-valve design introduced with the Model K in 1920 and provided approximately 28 horsepower in the 1926 specification.
The 1926 model incorporated several improvements over earlier De Luxe motorcycles, including a redesigned frame with a lower rear section, a shorter and wider four-gallon fuel tank, three-ring alloy pistons, revised cylinders and camshaft, altered low and reverse gear ratios, and larger 3.85-inch tires.
The motorcycle retained Henderson's characteristic three-speed transmission, reverse gear, chain final drive, spring front fork, rigid rear frame, and mechanical braking system.
The 1926 Henderson De Luxe is now considered one of the most important American four-cylinder motorcycles of the 1920s. Its combination of smooth four-cylinder power, advanced engineering, distinctive styling, and strong performance made Henderson one of the premier motorcycle marques of its era.
The Henderson Motorcycle Company was founded by brothers William and Tom Henderson in Detroit in 1912. William Henderson was responsible for the company's motorcycle engineering, while Tom contributed to the business and development of the company.
From the beginning, Henderson specialized in inline-four motorcycles. This gave the marque a distinctive position in the American motorcycle market, where most competitors relied on single-cylinder or V-twin engines.
In 1917, Ignaz Schwinn acquired Henderson and incorporated the company into the Excelsior Motor Manufacturing & Supply Company. Henderson production subsequently became part of Schwinn's Chicago-based motorcycle operation.
The Model K appeared for 1920 and represented a major redesign of the Henderson motorcycle. It introduced a more compact 79.4 cubic-inch side-valve engine and established the basic architecture that would underpin the De Luxe series.
The Henderson De Luxe was introduced in 1922 as a more highly developed version of the Model K. It received numerous improvements intended to increase durability, performance, and overall refinement.
The De Luxe quickly established a reputation for speed and reliability. Police departments were particularly interested in Henderson motorcycles because their performance gave officers an advantage for traffic patrol and pursuit duties.
Henderson's reputation was also demonstrated through long-distance and speed records. In 1922, Wells Bennett rode a Henderson De Luxe to a major 24-hour endurance record, covering 1,562.54 miles at an average speed of approximately 65.1 mph.
The 1926 model belongs to the later development of the original De Luxe design and incorporated the revised frame and engine components introduced during the mid-1920s.
Original engine numbers, frame identification, factory documentation, registration records, period advertisements, photographs, ownership history, and restoration documentation can all be valuable when establishing the provenance of a surviving 1926 Henderson De Luxe.
The 1926 Henderson Model De Luxe is powered by an air-cooled four-cylinder engine arranged longitudinally in the frame.
The engine displaces approximately 79.4 cubic inches, equivalent to approximately 1,301 cc.
The four cylinders are positioned in a straight line from front to rear, giving the motorcycle its characteristic long engine and chassis layout.
The engine uses a side-valve configuration. This design was introduced with the Model K and was retained through the De Luxe period before Henderson returned to an inlet-over-exhaust arrangement with the 1929 Streamline model.
The 1926 De Luxe produced approximately 28 horsepower at around 3,400 rpm.
The engine's four-cylinder configuration provided unusually smooth power delivery compared with many contemporary American motorcycles.
The De Luxe was designed to combine this smoothness with strong road performance. Henderson motorcycles were particularly respected for their ability to maintain high speeds over long distances.
The engine also benefited from the continuing development of its internal components. By the 1926 model year, three-ring alloy pistons had become standard, while the cylinders and camshaft had been revised.
The engine's actual performance today depends on compression, valve condition, ignition timing, carburetor adjustment, internal wear, gearing, and the quality of restoration.
The 1926 Henderson De Luxe uses a three-speed manual transmission.
The gearbox incorporates a reverse gear, an important feature for a large motorcycle that could be used with a sidecar.
The transmission was designed to provide useful ratios for starting, hill climbing, cruising, and high-speed road operation.
Primary transmission from the engine to the gearbox uses the Henderson drivetrain arrangement, while final drive to the rear wheel is by chain.
The 1926 model received revised low and reverse gear ratios as part of the continuing development of the De Luxe.
The clutch and transmission were designed to cope with the substantial torque and weight of the 1,301 cc four-cylinder motorcycle.
On a surviving De Luxe, the gearbox, clutch, reverse mechanism, primary components, final-drive chain, sprockets, and rear hub should all be inspected carefully.
The 1926 Henderson De Luxe uses a steel frame designed specifically around the long longitudinal four-cylinder engine.
For 1925 and subsequent models, Henderson redesigned the frame with a downward slope toward the rear. This lowered the motorcycle's center of gravity and allowed the use of a shorter, wider fuel tank.
The revised frame gave the De Luxe a more contemporary appearance while also improving the motorcycle's handling characteristics.
The front suspension uses Henderson's spring fork, a design intended to absorb road shocks while maintaining the stable characteristics expected from a large touring motorcycle.
The rear of the motorcycle uses a rigid frame rather than a modern rear suspension system.
Rider comfort depends on the front fork, sprung saddle, frame construction, and pneumatic tires.
The long wheelbase and substantial chassis contribute to the De Luxe's stable character, particularly during high-speed road travel.
Frame alignment, steering-head bearings, fork springs, fork links, engine mounting points, rear axle alignment, and evidence of previous repairs should all be inspected during restoration.
The 1926 Henderson De Luxe uses spoked wheels with large pneumatic tires.
The 1926 model was fitted with larger tires measuring approximately 3.85 inches, an improvement over the smaller tires used on earlier De Luxe models.
The larger tires improved the motorcycle's road contact and contributed to its ability to handle the weight and performance of the large four-cylinder machine.
The De Luxe uses mechanical braking systems operated through mechanical controls.
The rear braking system had been improved as part of the De Luxe's development and was one of the areas specifically addressed when the model was introduced.
Braking performance remains limited compared with modern motorcycle systems, making proper adjustment and maintenance especially important.
Brake drums, shoes, operating mechanisms, wheel bearings, spokes, rims, tires, and axle alignment should all be inspected before operating a surviving motorcycle.
The 1926 Henderson De Luxe is instantly recognizable as a Henderson because of its long frame and longitudinal four-cylinder engine.
The engine extends along the centerline of the motorcycle rather than across the frame, producing a distinctive silhouette that separates Henderson from most contemporary American motorcycles.
The redesigned 1926 frame slopes downward toward the rear, giving the motorcycle a lower and more purposeful stance.
The shorter and wider four-gallon fuel tank was another consequence of the revised frame and helped create a more compact visual appearance compared with earlier Henderson models.
The large four-cylinder engine dominates the center of the motorcycle, while the long wheelbase, large wheels, spring fork, and substantial mudguards reinforce its touring character.
Henderson motorcycles were often finished in the company's characteristic blue color, contributing to their period reputation as the distinctive "fast blue" motorcycles of the Excelsior organization.
The 1926 Henderson Model De Luxe represents the mid-1920s development of Henderson's 1,301 cc side-valve four-cylinder motorcycle.
The engine produced approximately 28 horsepower at around 3,400 rpm and was designed for strong performance and durability.
The frame had been redesigned with a downward slope toward the rear, lowering the center of gravity and allowing a shorter, wider four-gallon fuel tank.
Three-ring alloy pistons were standard, while the cylinders and camshaft were revised as part of the continuing engine development.
The low and reverse gear ratios were altered to improve the transmission's usefulness.
The motorcycle also received larger 3.85-inch tires.
The De Luxe retained its three-speed transmission, reverse gear, spring front fork, rigid rear frame, and mechanical braking system.
The 1926 version therefore represents a mature and highly developed form of the pre-Streamline Henderson De Luxe.
The 1926 Henderson De Luxe offers a remarkably distinctive riding experience for a motorcycle of its age.
The 1,301 cc inline-four engine is naturally smoother than the single- and twin-cylinder engines that dominated much of the American motorcycle market during the period.
The engine's substantial displacement provides strong torque and allows the motorcycle to maintain comparatively high road speeds.
The three-speed transmission gives the rider useful control over the engine's power, while the reverse gear makes maneuvering a large motorcycle significantly easier, especially when fitted with a sidecar.
The long wheelbase provides stability and contributes to the Henderson's reputation as a fast and refined touring motorcycle.
The spring front fork, sprung saddle, and large pneumatic tires provide a degree of comfort, although the motorcycle's rigid rear frame remains characteristic of its era.
The De Luxe's performance should always be considered alongside its period braking and suspension technology. A well-restored example can be fast for its age, but it requires considerably more anticipation and mechanical sympathy than a modern motorcycle.
The 1926 Henderson De Luxe is historically important because it represents one of the most advanced American motorcycles of the 1920s.
Henderson's inline-four configuration provided a level of smoothness and high-speed capability that distinguished the company from the many American manufacturers producing large V-twin motorcycles.
The De Luxe also demonstrated that a large four-cylinder motorcycle could be practical for everyday road use, touring, police work, and long-distance competition.
The model's performance reputation was reinforced by endurance records and high-speed demonstrations during the 1920s.
Henderson motorcycles were particularly attractive to police departments because their performance could exceed that of many other motorcycles and automobiles used on American roads.
The 1926 model occupies an important position in the development of the De Luxe before the major 1927 and 1928 improvements and the introduction of the Henderson Streamline KJ in 1929.
It therefore represents a significant stage in the evolution of American four-cylinder motorcycle engineering.
The 1926 Henderson De Luxe is highly desirable among collectors of American motorcycles, Brass Era machines, and early four-cylinder motorcycles.
The combination of a 1,301 cc inline-four engine, distinctive Henderson chassis, high performance, and relatively limited surviving numbers makes the model historically important.
Collectors generally pay close attention to the engine cases, cylinder assemblies, valve train, pistons, camshaft, carburetor, transmission, reverse mechanism, frame, fork, fuel tank, wheels, brakes, controls, exhaust system, and electrical equipment.
The 1926 model should be distinguished from earlier De Luxe versions and later models because several significant changes were introduced during the 1920s.
The downward-sloping frame, shorter and wider fuel tank, three-ring alloy pistons, revised cylinders and camshaft, altered gear ratios, and larger tires are particularly useful when identifying a correct 1926 specification.
Original factory documentation, period photographs, registration records, police records, dealer documentation, restoration records, and previous ownership history can significantly strengthen provenance.
Because Henderson motorcycles have been collectible for many decades, surviving examples can contain a mixture of original, period replacement, and reproduction components. Careful component dating is therefore important when assessing originality.
Authenticating a 1926 Henderson De Luxe requires examination of the complete motorcycle rather than relying solely on its appearance.
The motorcycle should have the approximately 79.4 cubic-inch, 1,301 cc side-valve inline-four engine associated with the De Luxe.
The engine, frame, transmission, reverse mechanism, fork, fuel tank, wheels, brakes, and controls should be consistent with the 1926 specification.
The redesigned frame with its downward slope toward the rear is an important model-year feature, as is the shorter and wider four-gallon fuel tank.
Three-ring alloy pistons, revised cylinders and camshaft, altered low and reverse gear ratios, and larger 3.85-inch tires are additional details associated with the mid-1920s De Luxe development.
Engine identification numbers and frame numbers should be checked against reliable Henderson records wherever possible.
A motorcycle with later replacement parts can still be historically significant, but reproduction or non-original components should be identified clearly when evaluating originality.
A strong example should demonstrate consistency between the engine, frame, transmission, chassis components, controls, and available historical documentation.
The 1926 Henderson Model De Luxe matters because it represents the mature development of one of America's most distinctive four-cylinder motorcycle designs.
Its approximately 1,301 cc side-valve inline-four engine offered smooth power and performance that made Henderson motorcycles famous among touring riders, police departments, and motorcycle enthusiasts.
The redesigned frame, lower center of gravity, wider fuel tank, improved engine components, revised transmission ratios, and larger tires demonstrate the company's continuing effort to improve an already highly developed motorcycle.
The De Luxe also occupies an important place in the history of American high-performance motorcycles before the Henderson Streamline models transformed the marque at the end of the decade.
For collectors, the 1926 Henderson De Luxe combines distinctive engineering, impressive period performance, recognizable styling, and an important place in the history of American four-cylinder motorcycles.
This 1926 Henderson Model De Luxe represents the mature development of Henderson's famous 1,301 cc four-cylinder motorcycle and is an important example of advanced American motorcycle engineering from the 1920s.
The approximately 79.4 cubic-inch side-valve inline-four produces approximately 28 horsepower and delivers the smooth, substantial power for which Henderson motorcycles became famous.
The 1926 model incorporates the redesigned frame with a lower rear section, shorter and wider four-gallon fuel tank, three-ring alloy pistons, revised cylinders and camshaft, altered low and reverse gear ratios, and larger 3.85-inch tires.
The motorcycle retains the characteristic Henderson three-speed transmission with reverse gear, spring front fork, rigid rear frame, chain final drive, and mechanical braking system.
The De Luxe's combination of four-cylinder smoothness and strong period performance made it particularly attractive to touring riders and police departments, while its endurance and speed records helped establish Henderson as one of the premier American motorcycle marques of the 1920s.
For more information about the Henderson marque and other historic models, visit Henderson vintage motorcycles.
Contact us for additional photographs, detailed specifications, engine and frame numbers, service history, originality assessment, provenance, restoration details, historical documentation, and purchasing information for this 1926 Henderson Model De Luxe.
The Vintage Motorcycles presents a curated selection of historically significant American motorcycles, with a dedicated focus on Henderson Motorcycles, one of the most refined and technically ambitious early manufacturers in United States motorcycle engineering. Known for its inline-four-cylinder architecture, Henderson represents a distinct engineering philosophy that emphasized smooth power delivery, high-speed stability, and long-distance touring capability during the formative years of motorcycling.
This collection is part of a broader historical archive of global manufacturers, accessible through our global vintage motorcycle brands archive, where American engineering development is studied alongside European innovation to highlight parallel mechanical evolution. Within this context, Henderson stands out for its early adoption of multi-cylinder engineering at a time when most manufacturers still relied on single or twin-cylinder layouts. These motorcycles are best understood within the framework of pre-war motorcycle engineering (1900-1939), a defining period that shaped the foundation of modern motorcycle design.
Each motorcycle within our collection is selected based on provenance, originality, and mechanical authenticity, ensuring alignment with museum-grade preservation standards. Available machines can be explored through our global vintage motorcycle inventory, including historically significant American engineering platforms that reflect early long-distance touring innovation. All acquisitions are supported by a fully insured international shipping service, ensuring secure worldwide delivery for collectors and institutions.
American motorcycle engineering in the early 20th century was defined by rapid industrial expansion and mechanical experimentation, and Henderson emerged as a key innovator within this environment. Its inline four-cylinder configuration represented a significant departure from conventional designs of the era, offering smoother operation and higher sustained cruising speeds, which made it particularly suited for long-distance travel.
This development can be understood within the broader evolution of global motorcycle engineering, beginning with the foundational pre-war engineering period, when manufacturers were actively defining core mechanical architectures. During World War II, motorcycle engineering priorities shifted toward durability and operational reliability, as reflected in military motorcycle development. Following this period, the industry transitioned into standardized mass production systems, explored in post-war motorcycle evolution, which further refined the engineering foundations established by early pioneers like Henderson.
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