H4M 840 Dacia H4M 840
Гібридний двигун Dacia H4M 840 об'ємом 1.6 літра, призначений для економічної їзди з використанням електричної підтримки.
14
Brand engines
3
Modifications
Technical Specifications
| Engine Displacement | 1.6 L (1,598 cc) |
| Configuration | Inline-4 |
| Number of Cylinders | 4 |
| Valves per Cylinder | 4 |
| Power | 90 - 115 л.с. |
| Torque | 135 - 200 Н*м |
| Cylinder Bore | 72.00 mm |
| Piston Stroke | 73.10 mm |
| Compression Ratio | 10.5:1 |
| Firing Order | 1-3-4-2 |
| Fuel System | Multi-point Fuel Injection |
| Aspiration | Naturally Aspirated |
| Intercooler | No |
| Maximum RPM | 6,000 rpm |
| Max Torque RPM | 2,000 rpm |
| Valve Train | DOHC |
| Timing Drive | Chain |
| Timing Chain Replacement | 150000 or as needed |
| Block Material | Aluminum |
| Head Material | Aluminum |
| Engine Weight | 120 kg |
| Dimensions (L×W×H) | 600 × 500 × 600 mm |
| Lubrication System | Wet sump |
| Cooling System | Liquid cooling |
Additional Information
| Engine Family | Renault H engine series |
| Manufacturing Plant | Pitesti, Romania |
Maintenance
| Engine Oil Capacity | 4.5 L (with filter: 5 L) |
| Recommended Viscosity | 5W-30 |
| Oil Standard | ACEA A3/B4, API SN |
| Recommended Brands | Total Quartz, Elf Evolution, Castrol GTX |
| Oil Change Interval | 15 000 km or 12 mo |
| Oil Filter | 152080748R |
| Air Filter |
165460908R
Replace every 60 000 km |
| Spark Plugs |
Type: Iridium Part number: 8200671048Gap: 1 mm Quantity: 4 pcs Replace every 60 000 km |
| Coolant Capacity | 6 L |
| Coolant Type | G12 (Renault Coolant) |
| Coolant Change Interval | 240 000 km |
| Thermostat Opening Temperature | 90°C |
| Operating Temperature | 90°C |
| Max Operating Temperature | 120°C |
| Critical Temperature | 130°C |
| Annual Maintenance Cost | 500-800 USD |
Reliability
Expected lifespan: 250 000 km
Common problems
| Problem | Severity | Mileage | Repair cost |
|---|---|---|---|
| Oil leaks from the valve cover | Medium | 80000-120000 km | $300-500 |
| Timing chain noise | Medium | 100000-150000 km | $800-1200 |
Known defects
- Early models had issues with oil consumption
- Potential for timing chain wear
Warranty extensions
- Dacia offers extended warranty options for engine components up to 5 years
Tuning potential
Tuning potential: Medium | Max. safe power: 200 hp
| Stage | Power | Torque | Method | Cost |
|---|---|---|---|---|
| Stage 1 | 130 hp | 220 Nm |
ECU remap only Reliability impact: Minimal |
$400 |
| Stage 2 | 150 hp | 250 Nm |
- Required: Cold air intake, ECU remap Reliability impact: Low |
$1200 |
| Stage 3 | 180 hp | 300 Nm |
- Required: Turbocharger upgrade, ECU remap Reliability impact: Medium |
$3000 |
Popular modifications
- ECU tune
- Cold air intake
- Performance exhaust
Tuning limitations
- Limited by stock fuel system
- Cooling upgrades needed for high power
Cars with the H4M 840 engine
This engine was fitted to 3 models
All modifications (3)
| Vehicle | Generation | Modification | Power | Gearbox | Drive |
|---|---|---|---|---|---|
| Dacia Jogger | Jogger | 1.6 E-Tech 140 л.с. 1-Автомат 2WD | 140 hp | 1-Автомат | 2WD |
| Renault Taliant | Taliant | 1.6 E-Tech 140 л.с. 1-Автомат 2WD | 140 hp | 1-Автомат | 2WD |
| Renault Samsung XM3 | XM3 (RK1) | 1.6 GDI 140 л.с. 6-МКП 2WD | 140 hp | 6-МКП | 2WD |
Interesting Facts
- The H4M engine is part of Renault-Nissan's global engine family.
- It features a lightweight aluminum construction for better fuel efficiency.
Applications
| Vehicle | Generation | Years | Power | Markets |
|---|---|---|---|---|
| Dacia Duster | 2nd | 2016-present | 90hp/115hp | Europe, South America |
| Dacia Logan | 2nd | 2016-present | 90hp/115hp | Europe, South America |
Compatible transmissions: 5-speed Manual, 6-speed Automatic
Drive types: FWD
Fuel Economy
| Fuel Type | Petrol 95 |
| Octane Rating | Minimum: 95 | Recommended: 95 |
| Consumption (City) | 6.5 L/100km |
| Consumption (Highway) | 4.5 L/100km |
| Consumption (Combined) | 5.5 L/100km |
| Real Consumption | 6 L/100km |
| Fuel Tank Capacity | 50 L |
| Range | 909 km |
| Cost per 100 km | 8-10 USD |
Emissions Standards
| Emission Standard | Euro 6 |
| CO₂ Emissions | 130 g/km |
| Particulate Filter (DPF) | Absent |
| AdBlue | Not Required |
Comparison with competitors
| Engine | Brand | Displacement | Power | Torque |
|---|---|---|---|---|
| 1.2 TCe | Renault | 1,197 cc | 115 hp | 190 Nm |
| 1.0 EcoBoost | Ford | 999 cc | 125 hp | 170 Nm |
Pros
- Good fuel economy for its class
- Reliable and easy to maintain
Cons
- Less power compared to some competitors
- Limited tuning potential