The Isuzu D-Max III Single Cab 3.0d (190 Hp) 4WD Automatic represents a significant iteration in Isuzu’s long-standing D-Max pickup truck lineage. Introduced for the 2020 model year and continuing through 2023, this variant catered to buyers seeking a robust, capable workhorse with the convenience of an automatic transmission and the added security of four-wheel drive. It falls within the third generation of the D-Max (introduced globally in 2019), built upon a revised chassis and featuring updated technology compared to its predecessors. This specific configuration was primarily aimed at commercial users and those needing a durable vehicle for demanding tasks, rather than the recreational market typically targeted by crew-cab models.
Technical Specifications
| Brand | Isuzu |
| Model | D-Max |
| Generation | D-Max III Single Cab |
| Type (Engine) | 3.0d (190 Hp) 4WD Automatic |
| Start of production | 2020 year |
| End of production | 2023 year |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Pick-up |
| Seats | 2 |
| Doors | 2 |
| Fuel consumption (urban) | 9.8 l/100 km (24 US mpg, 28.8 UK mpg, 10.2 km/l) |
| Fuel consumption (extra urban) | 6.9 l/100 km (34.1 US mpg, 40.9 UK mpg, 14.5 km/l) |
| Fuel consumption (combined) | 8 l/100 km (29.4 US mpg, 35.3 UK mpg, 12.5 km/l) |
| CO2 emissions | 207 g/km |
| Fuel Type | Diesel |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 9.4 kg/Hp, 106.1 Hp/tonne |
| Weight-to-torque ratio | 4 kg/Nm, 251.4 Nm/tonne |
| Power | 190 Hp @ 3600 rpm |
| Power per litre | 63.4 Hp/l |
| Torque | 450 Nm @ 1600-2600 rpm (331.9 lb.-ft. @ 1600-2600 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | 4JJ3-TCX |
| Engine displacement | 2999 cm3 (183.01 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 95.4 mm (3.76 in.) |
| Piston Stroke | 104.9 mm (4.13 in.) |
| Compression ratio | 16.3:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Turbocharger, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 7.5 l (7.93 US qt | 6.6 UK qt) |
| Kerb Weight | 1790 kg (3946.27 lbs.) |
| Max. weight | 3100 kg (6834.33 lbs.) |
| Max load | 1310 kg (2888.06 lbs.) |
| Fuel tank capacity | 76 l (20.08 US gal | 16.72 UK gal) |
| Permitted trailer load with brakes (12%) | 3500 kg (7716.18 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 350 kg (771.62 lbs.) |
| Length | 5325 mm (209.65 in.) |
| Width | 1870 mm (73.62 in.) |
| Height | 1790 mm (70.47 in.) |
| Wheelbase | 3125 mm (123.03 in.) |
| Front track | 1570 mm (61.81 in.) |
| Rear (Back) track | 1570 mm (61.81 in.) |
| Front overhang | 890 mm (35.04 in.) |
| Rear overhang | 1310 mm (51.57 in.) |
| Ride height (ground clearance) | 235 mm (9.25 in.) |
| Minimum turning circle (turning diameter) | 12.5 m (41.01 ft.) |
| Approach angle | 29.6° |
| Departure angle | 28.9° |
| Ramp-over (brakeover) angle | 23.9° |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the rear wheels permanently, and the front wheels are driven through an electrically or mechanically operated clutch if necessary. |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 6 gears, automatic transmission Aisin |
| Front suspension | Double wishbone |
| Rear suspension | Leaf spring |
| Front brakes | Ventilated discs, 320 mm |
| Rear brakes | Drum, 295 mm |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 255/65 R17 |
| Wheel rims size | 7J x 17 |
Powertrain & Engine Architecture
At the heart of the D-Max III Single Cab 3.0d is Isuzu’s 4JJ3-TCX 3.0-liter inline-four diesel engine. This engine is a robust and well-regarded unit, known for its durability and relatively straightforward mechanical design. It utilizes a common-rail direct injection system, delivering fuel at extremely high pressures for optimized combustion and efficiency. The engine is turbocharged and intercooled, boosting power output to 190 horsepower at 3600 rpm and 450 Nm (331.9 lb-ft) of torque between 1600 and 2600 rpm. The 4JJ3-TCX features a double overhead camshaft (DOHC) valvetrain with four valves per cylinder, contributing to its breathing efficiency. The engine is longitudinally mounted in the chassis. The automatic transmission is a six-speed unit sourced from Aisin, a reputable supplier of automotive transmissions. This transmission is designed to handle the engine’s torque output and provide smooth, reliable shifting.
Driving Characteristics
The combination of the 3.0-liter diesel and the Aisin six-speed automatic results in a driving experience geared towards practicality and capability. While not a performance-oriented setup, the engine delivers ample torque for hauling and towing. The automatic transmission provides convenient operation, particularly in urban environments or challenging off-road conditions. Compared to the manual transmission versions of the same engine, the automatic offers reduced driver fatigue but may exhibit slightly slower acceleration due to inherent transmission losses. The gear ratios are tuned for maximizing fuel efficiency and providing sufficient pulling power, rather than outright speed. The 4WD system allows for on-demand engagement of all four wheels, enhancing traction in slippery conditions or off-road terrain.
Equipment & Trim Levels
The Single Cab configuration of the D-Max III is typically the most basic trim level. Standard equipment generally includes air conditioning, power windows, central locking, and an audio system with Bluetooth connectivity. Safety features such as ABS (Anti-lock Braking System) are standard. Interior upholstery is typically vinyl or a durable cloth material. Optional extras could include alloy wheels, a touchscreen infotainment system, and a reversing camera. The focus of this trim level is on functionality and affordability, providing essential features for work-related tasks.
Chassis & Braking
The D-Max III utilizes a body-on-frame construction, providing a robust and durable platform for demanding applications. The front suspension consists of a double wishbone setup, while the rear suspension employs leaf springs. This configuration is optimized for load-carrying capacity and off-road performance. The braking system features ventilated discs on the front wheels and drum brakes on the rear. This configuration is common for pickup trucks in this weight class, balancing cost and effectiveness. The electric power steering provides a responsive and manageable steering feel.
Market Reception & Comparison
The Isuzu D-Max III Single Cab 3.0d 4WD Automatic was generally well-received in markets where pickup trucks are popular, particularly in regions requiring a durable and capable work vehicle. Critics praised its robust engine, reliable automatic transmission, and strong towing capacity. Fuel economy was considered reasonable for a vehicle of its size and capability, averaging around 29.4 US mpg in combined driving. Compared to other trims in the D-Max lineup, such as those with the manual transmission or lower-powered engines, this variant offered a premium in terms of convenience and performance, but at a higher price point.
Legacy
The 4JJ3-TCX engine has proven to be a durable and reliable powerplant, and examples of the D-Max III with this engine continue to be sought after in the used car market. The Aisin automatic transmission is also known for its longevity. While maintenance costs for diesel engines can be higher than those for gasoline engines, the D-Max’s relatively simple mechanical design contributes to its overall reliability. The Single Cab configuration remains a popular choice for commercial users and those prioritizing practicality over passenger comfort, ensuring a continued demand for this specific variant in the years to come.
