The Land Rover 42D 4.0-liter gasoline engine was produced by the company from 1994 to 2002 and was installed in popular SUVs such as the Range Rover II, Defender and Discovery 2. This unit exists in several versions and is also known under the 56D, 57D and 94D indices.
Rover V8 family: 42D, 46D.
Specifications
| Production years | 1994-2002 |
| Displacement, cc | 3946 |
| Fuel system | distributed injection |
| Power output, hp | 185 – 190 |
| Torque output, Nm | 320 – 340 |
| Cylinder block | aluminum V8 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 94 |
| Piston stroke, mm | 71 |
| Compression ratio | 9.35 |
| Features | OHV |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | no |
| Turbocharging | no |
| Recommended engine oil | 5W-40 |
| Engine oil capacity, liter | 5.8 |
| Fuel type | petrol |
| Euro standards | EURO 2 |
| Fuel consumption, L/100 km (for Range Rover II 1996) — city — highway — combined |
22.5 12.6 16.3 |
| Engine lifespan, km | ~200 000 |
| Weight, kg | 175 |
The engine was installed on:
- Land Rover Defender 1 (L316) in 1994 – 1998;
- Land Rover Discovery 2 (L318) in 1998 – 2002;
- Land Rover Range Rover 2 (P38A) in 1994 – 2002.
Disadvantages of the Land Rover 42D engine
- Until 1999, there was a general problem with the drawdown of liners and engine failure.
- Then the cylinder block was modernized and a collar holding the liners appeared.
- In the same year, the extremely unreliable GEMS injection system was replaced by Bosch Motronic.
- Updated units after 1999 often suffer from block microcracks.
- A lot of trouble is delivered by capricious electrical sensors, as well as a gasoline pump.
Frequently asked questions about the Land Rover 42D
How much power does the Land Rover 42D make?
The Land Rover 42D develops 185 - 190 hp and 320 - 340 Nm of torque.
How much oil does the Land Rover 42D take and which one?
Engine oil capacity: 5.8 liters. Recommended oil: 5W-40.
Does the Land Rover 42D have a timing belt or chain?
The Land Rover 42D uses a timing chain.
Is the Land Rover 42D turbocharged?
No, the Land Rover 42D is naturally aspirated.
Does the Land Rover 42D need valve clearance adjustment?
No, the Land Rover 42D has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Land Rover 42D last?
The typical lifespan of the Land Rover 42D is ~200 000 km with proper maintenance.
What is the fuel consumption of the Land Rover 42D?
Range Rover II 1996: city 22.5, highway 12.6, combined 16.3 L/100 km.
What cars was the Land Rover 42D installed on?
Land Rover Defender 1 (L316) in 1994 - 1998; Land Rover Discovery 2 (L318) in 1998 - 2002; Land Rover Range Rover 2 (P38A) in 1994 - 2002.
What are the common problems of the Land Rover 42D?
Until 1999, there was a general problem with the drawdown of liners and engine failure. Then the cylinder block was modernized and a collar holding the liners appeared. All known problems.
What engines are related to the Land Rover 42D?
Rover V8 family: 46D.
