The Renault M9T 706 is a 2,298 cc, inline‑four turbo‑diesel engine produced between 2011 and 2018. It features a DOHC 16‑valve layout, common‑rail direct injection, and a variable geometry turbocharger (VGT). In standard form it delivered 120 kW (163 PS) and 360 Nm of torque, with strong low‑rpm pull suited to commercial and light‑duty applications.
Fitted to models such as the Master III, Trafic II, and Nissan NV300—particularly the dCi 165 variants—the M9T 706 was engi…
All production years 2011–2018 meet Euro 5 standards .
The Renault M9T 706 is a 2,298 cc inline‑four turbo‑diesel engineered for light commercial vehicles and vans (2011–2018). It combines Bosch common‑rail injection with a single variable‑geometry turbocharger to deliver robust low-end torque and fleet-ready reliability. Designed to meet Euro 5 emissions standards, it balances load-carrying performance with regulatory compliance and service interval practicality.
| 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 kW (163 PS) | |
Torque | 360 Nm @ 1,750 rpm | |
Fuel system | Bosch CP3.4 common‑rail (up to 1,600 bar) | |
Emissions standard | Euro 5 | |
Compression ratio | 16.0:1 | |
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 | 210 kg |
The Renault M9T 706 was used across Renault's Master III and Trafic II platforms with longitudinal mounting and licensed to Nissan for the NV300. This engine received platform-specific adaptations—reinforced engine mounts in the Master and revised cooling ducts in the Trafic—and from 2015 the DMF upgrade improved driveline compatibility, creating interchange limits. 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.
The most common questions about engine codes, what they mean, how to find them and how this database works
The M9T 706 offers strong low-end torque and fleet durability, but pre-2015 models are prone to dual-mass flywheel failure in urban delivery cycles. Post-2015 revisions improved DMF life. Regular oil changes with RN0700/ACEA C3 oil and avoiding persistent short trips greatly enhance longevity.
Top issues include dual-mass flywheel wear, DPF clogging from short trips, Bosch CP3.4 injector coking, and EGR valve sticking. These are documented in Renault service bulletins NTM‑10‑2014 and NTM‑08‑2015, with clear OEM repair paths.
The M9T 706 powered the Master III (2011–2018), Trafic II (2011–2018), and Nissan NV300 (2016–2018), all as the dCi 165 variant. It was not used in passenger cars like Megane or Scénic.
Aftermarket ECU tuning is common on the M9T-706 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.
In a Trafic dCi 165, expect ~7.5 L/100km (city) and ~5.8 L/100km (highway), or about 42 mpg UK combined. Real-world mixed driving in delivery cycles typically returns 35–40 mpg (UK), depending on load and DPF regeneration frequency.
Yes. The M9T series is an interference engine. If the timing chain fails or jumps, piston-to-valve contact can cause catastrophic damage. However, the front-mounted chain is generally reliable with proper maintenance.
Renault specifies SAE 5W‑30 oil meeting RN0700 or ACEA C3 standards. Using non-approved oil risks injector coking and increased soot buildup. Change every 20,000 km or annually, whichever comes first.
Comprehensive technical documentation and regulatory references
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EU emissions and type-approval regulations (e.g., CELEX:32007R0715, CELEX:32017R1151).
GOV.UK: Vehicle Approval & V5C
UK vehicle approval processes, import rules, and MoT guidance.
DVLA: Engine Changes & MoT
Official guidance on engine swaps and inspection implications.
Vehicle Certification Agency (VCA)
UK type-approval authority for automotive products.
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.
GOV.UK: Vehicle Approval
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