The 2.0-liter Mitsubishi 4D68 diesel engine was produced by the company from 1991 to 2002 and was installed on a number of popular passenger car models of the concern, such as Lancer, Colt and Galant. This power unit existed both in atmospheric and turbocharged versions.
4D6 family: 4D65, 4D68.
Specifications
| Production years | 1991-2002 |
| Displacement, cc | 1998 |
| Fuel system | prechambers |
| Power output, hp | 68 (4D68 Non-Turbo) 90 (4D68T Turbo) |
| Torque output, Nm | 123 (4D68 Non-Turbo) 191 – 202 (4D68T Turbo) |
| Cylinder block | cast iron R4 |
| Block head | aluminum 8v |
| Cylinder bore, mm | 82.7 |
| Piston stroke, mm | 93 |
| Compression ratio | 22.4 |
| Features | no |
| Hydraulic lifters | no |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | no yes |
| Recommended engine oil | 5W-40 |
| Engine oil capacity, liter | 5.1 |
| Fuel type | diesel |
| Euro standards | EURO 2 (4D68 Non-Turbo) EURO 3 (4D68T Turbo) |
| Fuel consumption, L/100 km (for Mitsubishi Galant 1998) — city — highway — combined |
9.3 5.7 7.0 |
| Engine lifespan, km | ~300 000 |
| Weight, kg | 170 |
The engine was installed on:
- Mitsubishi Colt 4 (CA) in 1991 – 1995, Colt 5 (CJ) in 1995 – 2002;
- Mitsubishi Lancer 4 in 1991 – 1995, Lancer 5 in 1995 – 1999;
- Mitsubishi Galant 7 (E5) in 1992 – 1998, Galant 8 (EA) in 1996 – 2000;
- Proton Wira 1 in 1995 – 2000.
Disadvantages of the Mitsubishi 4D68 engine
- This diesel engine is famous for its low reliability and pesters with frequent oil leaks;
- The turbine has a low resource, replacement may be required already at 100,000 km;
- The balance shaft belt often breaks at 50,000 km, which is dangerous for the engine;
- Also, the crankshaft pulley often cracks, and the EGR valve quickly becomes clogged with soot;
- On high mileage, many owners are faced with cracked head blocks.
Frequently asked questions about the Mitsubishi 4D68
How much power does the Mitsubishi 4D68 make?
Power output of the Mitsubishi 4D68, hp: 68 (4D68 Non-Turbo); 90 (4D68T Turbo). Torque, Nm: 123 (4D68 Non-Turbo); 191 - 202 (4D68T Turbo).
How much oil does the Mitsubishi 4D68 take and which one?
Engine oil capacity: 5.1 liters. Recommended oil: 5W-40.
Does the Mitsubishi 4D68 have a timing belt or chain?
The Mitsubishi 4D68 uses a timing belt.
Is the Mitsubishi 4D68 turbocharged?
Yes, the Mitsubishi 4D68 is turbocharged (no; yes).
Does the Mitsubishi 4D68 need valve clearance adjustment?
Yes, there are no hydraulic lifters, so the valve clearances have to be checked and adjusted periodically.
How long does the Mitsubishi 4D68 last?
The typical lifespan of the Mitsubishi 4D68 is ~300 000 km with proper maintenance.
What is the fuel consumption of the Mitsubishi 4D68?
Mitsubishi Galant 1998: city 9.3, highway 5.7, combined 7.0 L/100 km.
What cars was the Mitsubishi 4D68 installed on?
Mitsubishi Colt 4 (CA) in 1991 - 1995, Colt 5 (CJ) in 1995 - 2002; Mitsubishi Lancer 4 in 1991 - 1995, Lancer 5 in 1995 - 1999; Mitsubishi Galant 7 (E5) in 1992 - 1998, Galant 8 (EA) in 1996 - 2000; Proton Wira 1 in 1995 - 2000.
What are the common problems of the Mitsubishi 4D68?
This diesel engine is famous for its low reliability and pesters with frequent oil leaks. The turbine has a low resource, replacement may be required already at 100,000 km. All known problems.
What engines are related to the Mitsubishi 4D68?
4D6 family: 4D65.
