JTDm-2 140 Alfa Romeo JTDm-2 140

Модульний 4-циліндровий дизельний двигун з турбонаддувом, відомий своєю економічністю та надійністю при правильному обслуговуванні.

Brand: Alfa Romeo Type: Diesel Configuration: Inline-4 Production Years: 2010 - теперішній час Production: Pratola Serra, Italy
48 Brand engines
2 Modifications

Technical Specifications

Engine Displacement 2.0 L (1,956 cc)
Configuration Inline-4
Number of Cylinders 4
Valves per Cylinder 4
Power 140 л.с.
Torque 350 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 4,000 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 JTDm
Manufacturing Plant Pratola Serra, Italy

Maintenance

Engine Oil Capacity 4.5 L (with filter: 4.7 L)
Recommended Viscosity 5W-30
Oil Standard ACEA C2
Recommended Brands Selenia, Castrol, Mobil 1
Oil Change Interval 20 000 km or 12 mo
Oil Filter 71754201
Air Filter 71754202
Replace every 60 000 km
Fuel filter 71754203
Cabin Filter 71754204
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 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 $300-500
DPF blockage High 100000-150000 km $800-1500

Known defects

  • Turbocharger actuator issues
  • Oil cooler leaks

Warranty extensions

  • Extended warranty for DPF issues in some markets

Tuning potential

Tuning potential: Medium | Max. safe power: 220 hp

Stage Power Torque Method Cost
Stage 1 170 hp 400 Nm ECU remap only
Reliability impact: Minimal
$400
Stage 2 190 hp 440 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

Tuning limitations

  • Stock clutch limitations above 400Nm
  • DPF removal not legal in all regions

Cars with the JTDm-2 140 engine

This engine was fitted to 1 model

Photo Brand Model Generation Production years
No photo
Alfa Romeo Giulietta Giulietta 2010 - 2021

All modifications (2)

Vehicle Generation Modification Power Gearbox Drive
Alfa Romeo Giulietta Giulietta 2.0 JTDm 140 л.с. 6-МКП 2WD 140 hp 6-МКП 2WD
Alfa Romeo Giulietta Giulietta 2.0 JTDm 140 л.с. 7 DCT 2WD 140 hp 7 DCT 2WD

Interesting Facts

  • The JTDm-2 140 engine is known for its balance of performance and fuel efficiency.
  • It features a variable geometry turbocharger for improved power delivery.

Applications

Vehicle Generation Years Power Markets
Alfa Romeo Giulietta 940 2010-2020 140hp Europe
Alfa Romeo Giulia 952 2016-present 140hp Europe

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

Drive types: FWD

Fuel Economy

Fuel Type Diesel
Consumption (City) 6.5 L/100km
Consumption (Highway) 4.5 L/100km
Consumption (Combined) 5.3 L/100km
Real Consumption 6 L/100km
Fuel Tank Capacity 60 L
Range 1,132 km
Cost per 100 km 8-10 USD

Emissions Standards

Emission Standard Euro 5
CO₂ Emissions 139 g/km
Particulate Filter (DPF) Present
Regeneration every 500 km
AdBlue Not Required

Comparison with competitors

Engine Brand Displacement Power Torque
TDI 140 Volkswagen 1,968 cc 140 hp 320 Nm
CDTI 136 Opel 1,956 cc 136 hp 320 Nm

Pros

  • Good balance of power and economy
  • Reliable turbocharger

Cons

  • EGR and DPF issues
  • Higher maintenance costs compared to some competitors