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Renault Trucks DTI 11 Engine Unit – Optimized Performance and Efficiency for Regional and Long-Haul Transport
The Renault Trucks DTI 11 engine is a high-efficiency, mid-displacement inline six-cylinder diesel engine designed to power a wide range of heavy-duty vehicles in the Renault Trucks lineup. With a displacement of 10.8 liters and a reputation for combining power with economy, the DTI 11 is especially favored for regional and long-haul transportation applications, offering a balance between low fuel consumption, emissions compliance, and durable performance.
Built upon the Volvo Group’s modular engine platform and adapted to Renault Trucks’ specific requirements, the DTI 11 plays a key role in the Renault Trucks T and C Series vehicles. It serves transport companies seeking optimal fuel economy without sacrificing power and operational reliability.
Engine Overview
The Renault Trucks DTI 11 Engine Unit is designed to deliver high torque at low RPMs while maintaining competitive horsepower output. This enables superior drivability, fewer gear changes, and fuel efficiency over varying terrain and load conditions. Available in multiple power ratings ranging from 380 hp to 460 hp, the DTI 11 engine offers torque levels up to 2,200 Nm, ideal for medium to heavy loads and mixed transport cycles.
The engine is suited for a range of applications, including long-distance freight, regional deliveries, tanker operations, and vocational vehicles where a balance between weight, cost, and power is essential.
Technical Specifications
- Engine Type: Inline 6-cylinder, 4-stroke diesel
- Displacement: 10.8 liters (10,837 cc)
- Power Output: 380 hp to 460 hp (280 kW to 338 kW)
- Maximum Torque: 1,800 Nm to 2,200 Nm, available from 950–1,400 RPM
- Fuel Injection System: High-pressure Common Rail (up to 2,500 bar)
- Turbocharging: Variable Geometry Turbocharger (VGT)
- Emission Standard: Euro VI Step E compliant
- Aftertreatment System: SCR (Selective Catalytic Reduction), DPF (Diesel Particulate Filter), DOC (Diesel Oxidation Catalyst); minimal use of EGR
- Cooling System: Water-cooled with charge air cooling
- Compression Ratio: Approximately 17:1
Performance and Driving Experience
The Renault Trucks DTI 11 Engine Unit is engineered to offer steady and efficient performance across diverse operating environments. Its low-end torque availability ensures excellent launch and gradeability even under full load, while the variable geometry turbocharger improves response and minimizes turbo lag.
Key performance benefits include:
- Smooth torque delivery for fewer gear changes
- High-efficiency cruising at low RPMs
- Quiet and vibration-reduced engine operation
- Predictive cruise control compatibility for fuel-saving on long hauls
When integrated with Renault Trucks’ Optidriver automated transmission and Optivision predictive cruise control system, the DTI 11 engine performs with enhanced efficiency by adjusting shifting and acceleration patterns according to topography and payload.
Fuel Efficiency and Emissions
One of the standout features of the DTI 11 engine is its focus on low fuel consumption. The combination of high-pressure fuel injection, efficient combustion design, and adaptive turbocharging allows operators to benefit from a reduced cost per kilometer without compromising performance.
To meet Euro VI Step E emissions standards, the engine utilizes an advanced aftertreatment system, including:
- Selective Catalytic Reduction (SCR): Converts NOx into nitrogen and water via AdBlue injection
- Diesel Particulate Filter (DPF): Captures and burns off soot during passive and active regeneration
- Diesel Oxidation Catalyst (DOC): Reduces hydrocarbons and carbon monoxide emissions
The DTI 11 achieves emissions compliance with minimal use of Exhaust Gas Recirculation (EGR), which helps improve fuel economy and reduce engine complexity and thermal stress.
Durability and Maintenance
The Renault Trucks DTI 11 Engine Unit is built to withstand the rigors of commercial transport with extended service intervals and a robust design. It includes features such as:
- Reinforced engine block and cylinder head for longevity
- Oil change intervals of up to 150,000 km under optimal conditions
- Integrated diagnostics for proactive maintenance
- Modular engine layout for ease of access and serviceability
Renault Trucks supports the DTI 11 with comprehensive fleet management and maintenance programs via Optifleet and Renault Trucks 24/7 services, ensuring maximum uptime and operational reliability.
Applications and Use Cases
The Renault Trucks DTI 11 Engine Unit powers various truck models in multiple configurations:
- Renault Trucks T Series: Long-haul transport with aerodynamic efficiency and driver comfort
- Renault Trucks C Series: Versatile for construction logistics and urban distribution
Typical industries and operations utilizing the DTI 11 include:
- Logistics and freight transportation
- Construction material hauling
- Municipal and public sector fleets
- Fuel and waste transport
Its flexible design and power-to-weight ratio make the engine suitable for both highway and mixed-operation vehicles.
Key Advantages
- Optimized Fuel Consumption: Intelligent combustion and cruise systems reduce cost per kilometer
- High Torque at Low RPM: Ideal for variable load conditions and terrain
- Emission Compliance: Euro VI Step E without compromising performance
- Reduced Engine Complexity: Minimal EGR improves reliability and cooling
- Extended Maintenance Intervals: Maximized uptime and lower lifecycle cost
Renault Trucks DTI 11 Engine Unit
The Renault Trucks DTI 11 engine unit represents a smart, efficient, and dependable solution for transport companies that value economy, environmental responsibility, and performance. With its strong torque curve, reduced emissions, and integration with Renault’s intelligent vehicle systems, the DTI 11 delivers long-term value and operational flexibility.
Whether used for regional distribution, long-haul logistics, or vocational transport, the DTI 11 engine proves to be a fuel-efficient powerhouse that supports profitable and sustainable operations.
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