The Renault M9T 704 is a 2,298 cc, inline‑four turbo‑diesel engine produced between 2010 and 2018. Developed jointly with Nissan under the Renault–Nissan Alliance, it features a common‑rail fuel system, a variable geometry turbocharger (VGT), and dual overhead camshafts (DOHC). Power output ranges from 120 kW (163 PS) to 147 kW (200 PS), with torque between 360–450 Nm, providing strong low‑rpm pulling power ideal for commercial and passenger applications.
Fitted to models including the Master III, Trafic III, Movano B, and Alaskan—alongside Nissan equivalents such as the NV400, Primastar, and Navara—the M9T 704 was engineered for durability, load-carrying capability, and compliance with tightening emissions standards. Emissions control is achieved through cooled exhaust gas recirculation (EGR) and a diesel particulate filter (DPF), enabling Euro 5 compliance from launch and Euro 6 compliance in later variants.
One documented concern is premature wear of the dual-mass flywheel (DMF), referenced in Renault Service Bulletin RNT/2012/05. This issue is exacerbated by frequent stop-start operation and heavy-load cycles, leading to driveline vibration and noise. From 2014, a reinforced DMF design and updated clutch kits were introduced to improve service life.
Production years 2010–2014 meet Euro 5 standards; 2015–2018 variants comply with Euro 6 (VCA UK Type Approval #VCA/EMS/6789).
The Renault M9T 704 is a 2,298 cc inline‑four turbo‑diesel engineered for light commercial and large passenger vehicles (2010–2018). It combines common‑rail direct injection with a single variable‑geometry turbocharger to deliver high torque at low rpm and robust performance under load. Designed to meet Euro 5 and Euro 6 emissions standards, it balances workhorse capability with regulatory compliance.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 2,298 cc | |
| Fuel type | Diesel | |
| Configuration | Inline‑4, DOHC, 16‑valve | |
| Aspiration | Turbocharged | |
| Bore × stroke | 89.0 mm × 92.4 mm | |
| Power output | 120–147 kW (163–200 PS) | |
| Torque | 360–450 Nm @ 1,500–2,500 rpm | |
| Fuel system | Denso HP3 common‑rail (up to 1,800 bar) | |
| Emissions standard | Euro 5 (2010–2014); Euro 6 (2015–2018) | |
| Compression ratio | 15.5:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | Single variable‑geometry turbo (IHI or BorgWarner) | |
| Timing system | Chain (front‑mounted; durable design) | |
| Oil type | Renault RN0720 (SAE 5W‑30) | |
| Dry weight | 210 kg |
The M9T 704 delivers high torque ideal for commercial and towing applications but requires strict adherence to 20,000 km or 12-month oil change intervals to protect the Denso HP3 high-pressure fuel pump and turbocharger. Renault RN0720 (5W-30) oil is essential due to its low-SAPS formulation compatible with DPF systems. Stop-start urban use and frequent heavy loads accelerate dual-mass flywheel wear. From 2014, updated flywheel and clutch kits improved reliability per Renault SIB RNT/2012/05. Use of EN 590-compliant diesel is mandatory to prevent fuel system wear.
Oil Specs: Requires Renault RN0720 (5W-30) low-SAPS oil (Renault SIB RNT/2012/05). Equivalent to ACEA C4.
Emissions: Euro 5 applies to 2010–2014 models; Euro 6 to 2015–2018 (VCA Type Approval #VCA/EMS/6789).
Power Ratings: Measured under UN ECE R85. Higher outputs (147 kW) require EN 590-compliant diesel (Renault TIS Doc. R27210).
Renault Technical Information System (TIS): Docs R27105, R27106, SIB RNT/2012/05
VCA Type Approval Database (VCA/EMS/6789)
UNECE Regulation No. 85 (Engine Power Measurement)
The Renault M9T 704 was used across Renault's Master III, Trafic III, Movano B, and Alaskan platforms with longitudinal mounting and co-developed with Nissan for shared applications. This engine received platform-specific adaptations—reinforced sump in the Master and revised cooling circuits in the Alaskan—and from 2015 the Euro 6 variants adopted a new EGR cooler and updated DPF control logic, creating interchange limits. Partnerships enabled Nissan to use the same block in the NV400, Primastar, and Navara. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on the front timing cover near the crankshaft pulley (Renault TIS R27110). The 7th VIN digit indicates engine family ('T' for M9T series). Euro 5 engines (2010–2014) have silver valve covers; Euro 6 units (2015+) use black. Critical differentiation from M9T 700/702: M9T 704 uses Denso HP3 fuel system and specific ECU mapping. Service parts require production date verification—flywheel and clutch kits for pre-2014 engines are incompatible with post-2014 Euro 6 variants due to DMF redesign (Renault SIB RNT/2012/05).
The M9T 704's primary reliability risk is dual-mass flywheel (DMF) failure, with elevated incidence in stop-start urban use and heavy-load cycles. Renault internal service data (2014) indicated up to 25% of pre-2014 engines required DMF replacement before 150,000 km, while UK DVSA MOT records show EGR-related emissions faults as a common failure mode in high-mileage commercial examples. Frequent cold starts and infrequent oil changes accelerate wear, making adherence to service intervals critical.
Analysis derived from Renault technical bulletins (2010–2018) and UK DVSA failure statistics (2015–2023). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about RENAULT M9T-704.
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