Makes › Leyland › Princess 1800 D (ADO71 diesel) · Rare specification · 1977 Ultra Rare
Leyland
Princess 1800 D (ADO71 diesel)
Diesel version of the ADO71, about 50 built.
Still being researched: identification guide, full specifications. Everything shown is checked against the cited sources. Know more? Send us a source.
Contents
01Overview
At a glance
- Built
- 50 Built
- Years
- 1977
- Engine
- B-Series
- Power
- Not yet verified
- Top speed
- Not yet verified
- Body
- Not yet verified
- Designer
- Harris Mann (styling of the ADO71 body)
- In this archive
- Not yet verified
- Surviving
- Not yet verified
Sources and any conflicting figures are in the sections below.
Why it matters
The 1800D is a diesel variant of the ADO71 Princess, made as a trial to win back the private-hire taxi market. It is documented as a short production trial rather than a series model.
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 |
|---|---|---|---|
| Factory package productiondiesel-powered Princesses built in 1977 as a trial run for the private-hire taxi market | 501 | Factory production | 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
In 1977 a run of 50 diesel Princesses was built to win back the private-hire taxi market from Ford. The B-series diesels were trialled around the country but the plan was dropped; the only lasting result was improved bulkhead insulation, later used on the Princess 2.
Variants
How each version differs from the standard Princess 1800 D (ADO71 diesel).
No variants documented yet. Have a source? Contribute it.
03Specifications
Technical specifications
Engine
| Engine family | B-Series2 Independently researchedS2 describes a B-Series 1.8-litre diesel for Italian conversions, not confirmed for the 1800D itself. |
|---|---|
| Engine code | Not yet verified |
| Layout | Not yet verified |
| Displacement | Not yet verified |
| Bore | Not yet verified |
| Stroke | Not yet verified |
| Compression ratio | Not yet verified |
| Fuel system | Not yet verified |
| Power | Not yet verified |
| 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 | Not yet verified |
| 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.
Not yet documented. Have a source? Contribute it.
Sources
Each number links to the exact facts it supports.
-
1
The cars: Princess/Ambassador development history Level C
- 50 diesel-powered Princesses built in 1977 as a trial run for the private-hire taxi market
-
2
ADO71 story Level C Austin-Rover Online (aronline)
- these B-series diesels were trialled across the country
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