JTD 1956 Alfa Romeo JTD 1956
Модульний 4-циліндровий двигун з турбонаддувом, відомий своєю ефективністю та надійністю при правильному обслуговуванні.
48
Brand engines
3
Modifications
Technical Specifications
| Engine Displacement | 2.0 L (1,956 cc) |
| Configuration | Inline-4 |
| Number of Cylinders | 4 |
| Valves per Cylinder | 4 |
| Power | 120 - 210 л.с. |
| Torque | 320 - 470 Н*м |
| Cylinder Bore | 83.00 mm |
| Piston Stroke | 90.40 mm |
| Compression Ratio | 16.5:1 |
| Firing Order | 1-3-4-2 |
| Fuel System | Common Rail Direct Injection |
| Aspiration | Turbocharged |
| Turbocharger | Variable Geometry Turbocharger |
| Intercooler | Yes |
| Maximum RPM | 4,500 rpm |
| Max Torque RPM | 1,750 rpm |
| Valve Train | DOHC |
| Timing Drive | Belt |
| Timing belt replacement interval | 120,000 km |
| Block Material | Cast Iron |
| Head Material | Aluminum |
| Lubrication System | Wet sump |
| Cooling System | Liquid cooling |
Additional Information
| Engine Family | Fiat JTD engine family |
| Manufacturing Plant | Pratola Serra, Italy |
Maintenance
| Engine Oil Capacity | 4.6 L (with filter: 5 L) |
| Recommended Viscosity | 5W-30 |
| Oil Standard | ACEA C2 |
| Recommended Brands | Selenia, Castrol, Mobil |
| Oil Change Interval | 20 000 km or 12 mo |
| Oil Filter | 71754246 |
| Air Filter |
71754247
Replace every 60 000 km |
| Fuel filter | 71754248 |
| Cabin Filter | 71754249 |
| Spark Plugs | |
| Coolant Capacity | 7 L |
| Coolant Type | G12 (Paraflu) |
| Coolant Change Interval | 240 000 km |
| Thermostat Opening Temperature | 88°C |
| Operating Temperature | 90°C |
| Max Operating Temperature | 110°C |
| Critical Temperature | 120°C |
| Annual Maintenance Cost | 600-900 USD |
Reliability
Expected lifespan: 250 000 km
Common problems
| Problem | Severity | Mileage | Repair cost |
|---|---|---|---|
| EGR valve clogging | Medium | 80000-120000 km | $300-500 |
| DPF clogging | High | 100000-150000 km | $800-1200 |
Known defects
- Turbocharger actuator issues
- Oil cooler leaks
Warranty extensions
- Extended warranty for EGR and DPF issues in some markets
Tuning potential
Tuning potential: Medium | Max. safe power: 220 hp
| Stage | Power | Torque | Method | Cost |
|---|---|---|---|---|
| Stage 1 | 150 hp | 380 Nm |
ECU remap only Reliability impact: Minimal |
$400 |
| Stage 2 | 180 hp | 420 Nm |
ECU, Downpipe, Intake Required: Upgraded intercooler, ECU remap Reliability impact: Low |
$1500 |
| Stage 3 | 210 hp | 470 Nm |
- Required: Bigger turbo, Upgraded fuel system Reliability impact: Medium |
$4000 |
Popular modifications
- ECU remap
- Upgraded intercooler
- Performance exhaust
Tuning limitations
- Stock clutch may not handle torque above 400Nm
- DPF removal not recommended due to emissions regulations
Cars with the JTD 1956 engine
This engine was fitted to 2 models
All modifications (3)
| Vehicle | Generation | Modification | Power | Gearbox | Drive |
|---|---|---|---|---|---|
| Alfa Romeo 146 | 146 | 2.0 JTD 136 л.с. 6-МКП 2WD | 136 hp | 6-МКП | 2WD |
| Fiat Croma | Croma | 2.0 JTD 140 л.с. 6-МКП 2WD | 140 hp | 6-МКП | 2WD |
| Fiat Croma | Croma | 2.0 JTD 140 л.с. 7-DSG 2WD | 140 hp | 7-DSG | 2WD |
Interesting Facts
- The JTD 1956 was one of the first engines to feature a variable geometry turbocharger in its class.
- It was praised for its balance of performance and fuel efficiency.
Applications
Total produced: unknown
| Vehicle | Generation | Years | Power | Markets |
|---|---|---|---|---|
| Alfa Romeo Giulietta | 940 | 2010-2020 | 120hp/150hp | Europe, Asia |
| Alfa Romeo 159 | 939 | 2005-2011 | 150hp/170hp | Europe |
Compatible transmissions: 6-speed Manual, 6-speed Automatic
Drive types: FWD
Fuel Economy
| Fuel Type | Diesel |
| Consumption (City) | 7 L/100km |
| Consumption (Highway) | 4.5 L/100km |
| Consumption (Combined) | 5.5 L/100km |
| Real Consumption | 6 L/100km |
| Fuel Tank Capacity | 60 L |
| Range | 1,090 km |
| Cost per 100 km | 8-10 USD |
Emissions Standards
| Emission Standard | Euro 5 |
| CO₂ Emissions | 145 g/km |
| Particulate Filter (DPF) |
Present Regeneration every 100,000 km |
| AdBlue | Not Required |
Awards and Recognition
- Engine of the Year (2006) — 1.8L to 2.0L