The Renault M9T 702 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). In standard form it delivered 107 kW (145 PS), with torque peaking at 360 Nm for strong low‑end pulling power.
Fitted to models such as the Master III, Trafic III, and Movano B—including the dCi 1…
Production years 2010–2014 meet Euro 5 standards; 2015–2018 models may have Euro 6 compliance depending on market .
The Renault M9T 702 is a 2,298 cc inline‑four turbo‑diesel engineered for light commercial vehicles and MPVs (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 select Euro 6) standards, it balances workhorse capability with fuel efficiency.
| 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 | 107 kW (145 PS) | |
Torque | 360 Nm @ 1,500–2,500 rpm | |
Fuel system | Bosch CP3 common‑rail (up to 1,600 bar) | |
Emissions standard | Euro 5 (pre‑2015); Euro 6 depending on market | |
Compression ratio | 15.5:1 | |
Cooling system | Water‑cooled | |
Turbocharger | Single variable‑geometry turbo (Garrett) | |
Timing system | Chain (front‑mounted) | |
Oil type | Refer to vehicle handbook / manufacturer specification | |
Dry weight | 215 kg |
The Renault M9T 702 was used across Renault's Master III, Trafic III, and Movano B platforms with longitudinal mounting and shared with Nissan for light commercial applications. This engine received platform-specific adaptations—reinforced sump baffling in the Master and enhanced cooling in the Trafic—and from 2015 the facelifted Movano adopted the M9T Gen 2 with updated emissions hardware, creating interchange limits. Partnerships enabled Nissan's dCi 145 variants in NV300 and Interstar. All adaptations are documented in OEM technical bulletins.
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Field reports and technical service bulletins highlight component wear patterns under high-load operation. Adherence to manufacturer service intervals and approved fluid specifications is critical for long-term reliability.
Analysis derived from manufacturer technical service bulletins and industry workshop records. Repair procedures should follow manufacturer guidelines.
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The M9T 702 offers strong torque and commercial durability, but early models (2010–2014) are prone to dual-mass flywheel failure under heavy use. Later revisions (post-2015) improved durability with updated components. Regular oil changes using RN0720 5W-30 and avoiding excessive idling greatly enhance longevity.
Top issues include dual-mass flywheel degradation, EGR clogging, turbo actuator sticking, and rear main seal leaks. These are well-documented in Renault service bulletins NTM 08‑112 and NTM 07‑045, especially in high-mileage or urban-driven commercial vehicles.
The M9T 702 powered the Master III, Trafic III, and Movano B (2010–2018) in dCi 145 form. It was also used by Nissan in the NV300 and Interstar from 2010–2018 under joint-engineering agreements, primarily for light commercial applications.
Aftermarket ECU tuning is common on the M9T-702 platform, but increasing boost or altering engine parameters accelerates component wear, impacts emissions compliance, and may void vehicle warranties. Any modifications should be evaluated carefully by a qualified specialist.
Efficient for its size. In a Master III dCi 145, expect ~8.5 L/100km city and ~6.2 L/100km highway, or ~34 mpg UK combined. Real-world mixed driving typically returns 30–36 mpg (UK), assuming good maintenance and EN 590 diesel.
Yes. The M9T series is an interference engine. If the timing chain fails or jumps, piston-to-valve contact can cause catastrophic damage. While chain issues are rare, any timing-related fault codes or unusual noises warrant immediate inspection.
Renault specifies SAE 5W-30 oil meeting RN0720 (ACEA C3) standard. Always use a low-SAPS synthetic oil and change every 20,000 km or annually to protect the DPF, turbo, and timing system.
Comprehensive technical documentation and regulatory references
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Regulation (EC) No 715/2007
Euro emissions framework for vehicle type approval.
Commission Regulation (EU) 2017/1151
WLTP and RDE testing procedures for emissions certification.
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