Makes › Duesenberg › Model X · Rare production · 1927
Duesenberg
Model X
Transitional model between Model A and Model J; 13 built, four survive
Still being researched: full specifications. Everything shown is checked against the cited sources. Know more? Send us a source.
Contents
01Overview
At a glance
- Built
- Not yet verified
- Years
- 1927
- Engine
- Front-mounted overhead-cam inline eight · 5,280 cc / 5.3 LFactory: 322 cu in · converted
- Power
- 74.6 kW / 101 PSFactory: 100 hp · converted
- Top speed
- Not yet verified
- Body
- Not yet verified
- Designer
- Not yet verified
- In this archive
- Not yet verified
- Surviving
- 4 (independently researched)
Sources and any conflicting figures are in the sections below.
Why it matters
The Model X bridged the Model A and the Model J, built in the final months of Duesenberg Motors' independence. Just 13 were made and four survive.
How rare is it?
Six separate kinds of rarity – never combined into one number.
Each kind of rarity is rated separately and never combined.
02Production & history
Production
Every figure says what it counts.
| What is counted | Figure | Basis | Status |
|---|---|---|---|
| Total model production4 of 13 Model X survive per RM Sotheby's | 42 | Surviving examples | Independently researched |
| Total model productionModel X built (four survive) | 131 | Surviving examples | Independently researched |
Independent counts (e.g. engine and colour) are never combined into a calculated figure. Surviving examples are never presented as original production.
History
Developed from the Model A, the Model X had a 135-in. wheelbase, tubular cross-members, relocated ancillaries and front springs, 21-in. Buffalo wheels and a hypoid rear axle, so few parts interchange with the A. Its overhead-cam 322 cu in straight-eight produced 100 bhp. Production was cut short when E.L. Cord took control and pushed the larger Model J into production as its replacement.
Variants
How each version differs from the standard Model X.
No variants documented yet. Have a source? Contribute it.
03Specifications
Technical specifications
Engine
| Engine family | Not yet verified |
|---|---|
| Engine code | Not yet verified |
| Layout | Front-mounted overhead-cam inline eight2 Independently researched |
| Displacement | 5,280 cc / 5.3 LFactory: 322 cu in · converted2 Independently researched |
| Bore | Not yet verified |
| Stroke | Not yet verified |
| Compression ratio | Not yet verified |
| Fuel system | Not yet verified |
| Power | 74.6 kW / 101 PSFactory: 100 hp · converted2 Independently researchedSource states bhp (brake horsepower, mechanical). |
| Power at | Not yet verified |
| Torque | Not yet verified |
Transmission & drivetrain
| Gearbox | Not yet verified |
|---|---|
| Gears | Not yet verified |
| Driven wheels | Not yet verified |
Chassis, body & dimensions
| Chassis | Not yet verified |
|---|---|
| Front suspension | Not yet verified |
| Rear suspension | Not yet verified |
| Brakes | Not yet verified |
| Steering | Not yet verified |
| Body construction | Not yet verified |
| Wheelbase | 3,430 mmFactory: 135 in · converted2 Independently researched |
| Length | Not yet verified |
| Width | Not yet verified |
| Height | Not yet verified |
| Front track | Not yet verified |
| Rear track | Not yet verified |
| Kerb weight | Not yet verified |
| Dry weight | Not yet verified |
Performance
| Maximum speed | Not yet verified |
|---|---|
| 0–100 km/h | Not yet verified |
| Fuel tank | Not yet verified |
“Not yet verified” means no source has been checked for that value yet. Nothing is estimated to fill a gap.
04Colours & options
Factory colours & interiors
Original paint and trim, with the number of cars in each where a source gives it.
Not yet documented. Have a source? Contribute it.
Factory options & codes
Codes are shown exactly as written by the manufacturer.
Not yet documented. Have a source? Contribute it.
05Individual cars
Chassis register
Every documented car, with its colours, history and where it is now. Open a row for the full record. Known chassis are not automatically authenticated originals.
Not yet documented. Have a source? Contribute it.
Competition history
Every race result of the individual cars, in date order. Click a chassis number to open its full record in the register.
Not yet documented. Have a source? Contribute it.
Auction & sale history
Documented public sales of the individual cars. Click a chassis number to open its full record in the register.
Not yet documented. Have a source? Contribute it.
See one in person
Museums where an example of this car can be seen.
No example is documented on public display yet. Have a source? Contribute it.
06Reference
Identification guide
How to tell an original from a replica or later conversion.
Compared with a Model A, a Model X has a 135-in. wheelbase (one inch longer), tubular cross-members, manifolds on the right side, front springs mounted on top of the axle, 21-in. Buffalo wheels, differently crowned fenders and cast-aluminium running boards.
Sources
Each number links to the exact facts it supports.
-
1
RM Sotheby's Guyton Collection 2019 – 1927 Duesenberg Model X Dual-Cowl Phaeton by Locke Level B
- 13 Model X built (four survive)
-
2
1927 Duesenberg Model X Dual-Cowl Phaeton by Locke – The Guyton Collection, lot 362 Level B RM Sotheby's
- only four of them remain
- overhead cam inline eight-cylinder engine
- of 322-cu. in. displacement
- 100 bhp
- Wheelbase of 135 in.
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