JTD 115 Alfa Romeo JTD 115

Дизельний двигун з турбонаддувом, відомий своєю економічністю та надійністю при правильному обслуговуванні.

Brand: Alfa Romeo Type: Diesel Configuration: Inline-4 Production Years: 2000 - 2005 Production: Pratola Serra, Italy
48 Brand engines
4 Modifications

Technical Specifications

Engine Displacement 1.9 L (1,910 cc)
Configuration Inline-4
Number of Cylinders 4
Valves per Cylinder 2
Power 115 л.с.
Torque 275 Н*м
Cylinder Bore 82.00 mm
Piston Stroke 90.40 mm
Compression Ratio 18.5:1
Firing Order 1-3-4-2
Fuel System Common Rail Direct Injection
Aspiration Turbocharged
Turbocharger Garrett GT1544V
Intercooler Yes
Maximum RPM 4,200 rpm
Max Torque RPM 2,000 rpm
Valve Train SOHC
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 JTD
Manufacturing Plant Pratola Serra, Italy
Successor JTDm

Maintenance

Engine Oil Capacity 4.5 L (with filter: 4.8 L)
Recommended Viscosity 5W-40
Oil Standard ACEA B3/B4
Recommended Brands Selenia WR, Castrol Edge, Mobil 1
Oil Change Interval 15 000 km or 12 mo
Oil Filter 71736161
Air Filter 71736162
Replace every 60 000 km
Fuel filter 71736163
Cabin Filter 71736164
Spark Plugs
Coolant Capacity 7 L
Coolant Type G12 (Paraflu UP)
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 500-800 USD

Reliability

Reliability rating: 7/10

Expected lifespan: 250 000 km

Common problems

Problem Severity Mileage Repair cost
EGR valve clogging Medium 80000-120000 km $200-400
Turbocharger failure High 150000-200000 km $800-1200

Known defects

  • Weak turbocharger seals
  • EGR valve prone to clogging

Tuning potential

Tuning potential: Medium | Max. safe power: 180 hp

Stage Power Torque Method Cost
Stage 1 135 hp 310 Nm ECU remap only
Reliability impact: Minimal 		$400
Stage 2 150 hp 340 Nm ECU, Downpipe
Required: Upgraded intercooler, ECU remap
Reliability impact: Low 		$1500
Stage 3 170 hp 370 Nm -
Required: Bigger turbo, Upgraded fuel system
Reliability impact: Medium 		$3000

Popular modifications

  • ECU remap
  • Intercooler upgrade
  • Turbo upgrade

Tuning limitations

  • Stock internals limit power increase
  • Turbocharger size limits

Cars with the JTD 115 engine

This engine was fitted to 3 models

Photo Brand Model Generation Production years
No photo
 Alfa Romeo 146 146 1994 - 2001
No photo
 Alfa Romeo 147 147 1998 - 2010
No photo
 Alfa Romeo Spider Spider 1998 - 2005

All modifications (4)

Vehicle Generation Modification Power Gearbox Drive
Alfa Romeo 146 146 1.9 JTD 115 л.с. 5-МКП 2WD 115 hp 5-МКП 2WD
Alfa Romeo 147 147 1.9 JTD 115 л.с. 6-МКП 2WD 115 hp 6-МКП 2WD
Alfa Romeo Spider Spider 1.9 JTD 115 л.с. 6-МКП 2WD 115 hp 6-МКП 2WD
Alfa Romeo Spider Spider 1.9 JTD 115 л.с. 6-Автомат 2WD 115 hp 6-Автомат 2WD

Interesting Facts

  • The JTD 115 was one of the first diesel engines to use common rail technology.

Applications

Vehicle Generation Years Power Markets
Alfa Romeo 147 Type 937 2000-2005 115hp Europe
Alfa Romeo 156 Type 932 2000-2005 115hp Europe

Compatible transmissions: 5-speed Manual, 6-speed Manual

Drive types: FWD

Fuel Economy

Fuel Type Diesel
Consumption (City) 7.5 L/100km
Consumption (Highway) 5 L/100km
Consumption (Combined) 6 L/100km
Real Consumption 6.5 L/100km
Fuel Tank Capacity 60 L
Range 1,000 km
Cost per 100 km 8-10 USD

Emissions Standards

Emission Standard Euro 3
CO₂ Emissions 159 g/km
Particulate Filter (DPF) Absent
AdBlue Not Required

Comparison with competitors

Engine Brand Displacement Power Torque
1.9 TDI Volkswagen 1,896 cc 110 hp 235 Nm

Pros

  • Good fuel economy
  • Reliable common rail system

Cons

  • Turbocharger issues
  • EGR valve prone to clogging