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HomeCar GuideRenault Duster Strong Hybrid Dht Transmission Explained

Published : 29 October 2026

Read Time : 5 min

The Renault Duster Strong Hybrid E-Tech 160 uses a dedicated hybrid transmission (DHT), also known as Combined Automatic Transmission (CAT), that combines electric and petrol power to improve efficiency without requiring driver intervention. Unlike a conventional automatic gearbox or an e-CVT, Renault’s multi-mode transmission uses 2 electric gears and 4 petrol-engine gears to deliver different drive combinations.

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Renault Duster Strong Hybrid CAT Explained: 13 Drive Combinations

The hybrid powertrain combines a 1.8L, 4-cylinder petrol engine with a 1.4kWh, 247V battery, a high-voltage starter generator and a high-power traction motor. Together, these components deliver a maximum system output of 160PS. The traction motor produces 208Nm of torque. Renault claim a fuel efficiency of 29kmpl and a driving range of over 1,400km.

Renault Duster Strong Hybrid: 5 Key Powertrain Components

The Duster Strong Hybrid’s E-Tech 160 powertrain is built around 5 main components, each with a specific role.

RENAULT DUSTER STRONG HYBRID
5 KEY COMPONENTS

Component

Function and specifications

1.8L petrol engine

4-cylinder engine using the Atkinson combustion cycle, a 14:1 compression ratio, 350-bar direct injection and low-pressure EGR. It produces 110PS and 175Nm, with a claimed thermal efficiency of 41%.

Battery

A 1.4kWh, 247V battery that supports electric driving and energy storage. Renault claim up to 80% pure-EV driving in city conditions.

High-voltage starter generator

Starts the petrol engine, generates electricity and helps match rotational speeds for smooth gear changes.

High-power traction motor

Mounted on the driveline, it produces 50PS and 208Nm. It drives the car in pure EV, series and parallel hybrid mode, provides immediate electric response and recovers energy under braking.

Multi-mode automatic gearbox

Uses 2 electric gears and 4 petrol engine gears to create different drive combinations. At V3Cars, we are calling this transmission a Combined Auto Transmission (CAT).

How Renault’s Combined Automatic Transmission Works

2026 Renault Duster Hybrid Transmission

The Renault Duster Strong Hybrid’s multi-mode automatic transmission, also known as a DHT or CAT, uses 2 electric gears (M1 and M2) and 4 petrol engine gears (E1, E2, E3 and E4). These gears allow the powertrain to drive the wheels using the electric motor, the petrol engine or a combination of both.

The system offers 13 driveline combinations. These comprise 2 electric-only options (M1 and M2), 3 petrol-only options (E2, E3 and E4) and 8 hybrid combinations created by pairing each electric gear with each petrol gear. 

The Duster’s dog-clutch transmission does not have a conventional friction clutch to manage the engine’s power when pulling away from a standstill. A traditional clutch can slip progressively, allowing the engine to keep running while the car starts moving smoothly. A dog clutch uses interlocking metal teeth to establish a direct mechanical connection, so it cannot provide the same controlled slip.

Therefore, the electric traction motor handles every launch from 0kmph. Once moving, the petrol engine can also drive the wheels through the transmission.

13 DRIVE-LINE COMBINATIONS
OF RENAULT DUSTER CAT

Type of operation

Combination

Electric-only drive

M1

Electric-only drive

M2

Petrol-only drive

E2

Petrol-only drive

E3

Petrol-only drive

E4

Combined hybrid drive

M1+E1

Combined hybrid drive

M1+E2

Combined hybrid drive

M1+E3

Combined hybrid drive

M1+E4

Combined hybrid drive

M2+E1

Combined hybrid drive

M2+E2

Combined hybrid drive

M2+E3

Combined hybrid drive

M2+E4

Total

13

Renault Duster Strong Hybrid: 6 Operating Modes Explained

The Duster’s hybrid system automatically selects from 6 operating modes. The driver does not need to switch between them manually.

1. Pure EV Mode

2026 Renault Duster Pure EV Mode

The battery supplies power to the traction motor, which drives the wheels. The petrol engine remains switched off, allowing the Duster to move quietly and smoothly without consuming petrol while driving in this mode.

Renault claim electric-only driving for up to 80 percent of city driving time, depending on conditions.

2. Petrol-Only Mode

2026 Renault Duster Petrol-only Mode

During suitable steady-speed driving, the petrol engine powers the car while the electric motor rests. This mode allows the system to use the petrol engine during longer journeys when conditions favour engine-driven operation.

3. Series Hybrid Mode

2026 Renault Duster Series Hybrid Mode

In smooth driving below 80kmph, the petrol engine runs a generator to produce electricity, while the traction motor drives the wheels. The engine therefore supplies energy without mechanically driving the wheels in this mode.

This arrangement allows the Duster to deliver an EV-like driving experience while the engine generates the electricity required to keep the car moving.

4. Parallel Mode

2026 Renault Duster Parallel Mode

When more power is required, the petrol engine and electric motor can drive the wheels simultaneously. Their combined output provides stronger acceleration, which can be useful when overtaking or accelerating firmly.

5. Charging Mode

When the battery needs additional charge, the petrol engine can run to generate electricity. Renault describe this mode as being available even when the vehicle is stopped at traffic signals, helping maintain the battery's charge for subsequent electric driving.

6. Energy Recuperation Mode

When the driver brakes or lifts off the accelerator, the electric motor recovers energy from the vehicle's motion and converts it into electricity to recharge the battery. This helps reduce energy wastage during deceleration.

Renault Duster Strong Hybrid: Performance and Efficiency

The E-Tech 160 powertrain combines the output of its 1.8L petrol engine and electric motor to deliver a claimed maximum system output of 160PS.

2026 RENAULT DUSTER STRONG HYBRID
POWERTRAIN AND PERFORMANCE SPECS

Petrol Engine

1.8L non-turbo petrol

Petrol Engine Output

110PS

Petrol Engine Torque

175Nm

Traction Motor Output

50PS

Traction Motor Torque

208Nm

Battery

1.4kWh, 247V

Maximum System Output

160PS

0-100kmph

9.61s

Claimed Mileage

29kmpl

Claimed Range

Over 1400km

The Duster Strong Hybrid's main advantage is its ability to combine electric driving in city traffic with engine-driven cruising and combined petrol-electric power when needed. Its multi-mode transmission manages these operating conditions automatically, aiming to balance performance, smoothness and fuel efficiency without requiring the driver to choose a particular hybrid mode.

Also Read: 2026 Renault Duster Hybrid Launched At Rs. 16.99 Lakh

2026 Renault Duster – Variant-Wise Powertrain Options

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Nikil Jonathan
Nikil Jonathan

Content Writer

Nikil's a huge fan of classic cars, especially Italian beauties such as the Alfa Romeo Giulia Sprint and the Iso Grifo. His love for cars and bikes originated when he first laid his eyes on a poster of the Ferrari F40 and the MV Agusta F4 when he was just a child. He also loves all things analogue, especially vintage cameras and turntables.

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