The Isuzu D-Max III Single Cab 3.0d (190 Hp) 4WD is a pickup truck produced by Isuzu from 2020 to 2023. Representing the third generation of the D-Max series, this variant was primarily aimed at commercial and utility users requiring a robust and capable vehicle. It occupied a position within the D-Max lineup as a work-focused model, prioritizing practicality and durability over outright luxury. The Single Cab configuration, combined with the 3.0-liter turbocharged diesel engine and four-wheel drive, made it a popular choice in markets where off-road capability and payload capacity were highly valued.
Technical Specifications
| Brand | Isuzu |
| Model | D-Max |
| Generation | D-Max III Single Cab |
| Type (Engine) | 3.0d (190 Hp) 4WD |
| Start of production | 2020 |
| End of production | 2023 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Pick-up |
| Seats | 2 |
| Doors | 2 |
| Fuel consumption (urban) | 10.2 l/100 km (23.1 US mpg) |
| Fuel consumption (extra urban) | 6.7 l/100 km (35.1 US mpg) |
| Fuel consumption (combined) | 8 l/100 km (29.4 US mpg) |
| CO2 emissions | 206 g/km |
| Fuel Type | Diesel |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 9.4 kg/Hp |
| Weight-to-torque ratio | 4 kg/Nm |
| Power | 190 Hp @ 3600 rpm |
| 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 | 1780 kg (3924.23 lbs.) |
| Max. weight | 3100 kg (6834.33 lbs.) |
| Max load | 1320 kg (2910.1 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 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 | 12.5 m (41.01 ft.) |
| Approach angle | 29.6° |
| Departure angle | 28.9° |
| Ramp-over angle | 23.9° |
| Drivetrain Architecture | All wheel drive (4×4) |
| Number of gears | 6 |
| Type of gearbox | Manual transmission |
| 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 |
| Tires size | 255/65 R17 |
| Wheel rims size | 7J x 17 |
Powertrain & Engine Architecture
The heart of the D-Max III Single Cab 3.0d is the Isuzu 4JJ3-TCX engine, a 2.999-liter inline-four cylinder diesel. This engine utilizes a common rail direct injection system, delivering fuel at extremely high pressure for optimized combustion. The 4JJ3-TCX is equipped with a variable geometry turbocharger (VGT) and an intercooler, enhancing both power and efficiency. The engine produces 190 horsepower at 3600 rpm and a substantial 450 Nm (331.9 lb.-ft.) of torque between 1600 and 2600 rpm. This broad torque curve is particularly beneficial for hauling and towing. The engine features a double overhead camshaft (DOHC) valvetrain with four valves per cylinder, contributing to its efficient operation. The transmission is a robust six-speed manual gearbox, chosen for its durability and direct connection to the engine.
Driving Characteristics
The 190 hp and 450 Nm of torque provide adequate performance for typical pickup truck duties. While not a sports truck, the D-Max 3.0d offers sufficient power for highway cruising and carrying heavy loads. The manual transmission allows for precise control, and the gear ratios are well-suited for both on- and off-road driving. Compared to lower-powered D-Max variants, the 3.0d offers significantly improved acceleration and towing capacity. The 4WD system provides excellent traction in challenging conditions, making it a capable off-road vehicle. The leaf spring rear suspension, while contributing to load-carrying capacity, can result in a somewhat firm ride when unladen.
Equipment & Trim Levels
The Single Cab 3.0d 4WD typically came with a functional, rather than luxurious, equipment list. Standard features generally included air conditioning, power windows, central locking, and an audio system with Bluetooth connectivity. Safety features such as ABS brakes and driver/passenger airbags were also standard. Higher trim levels, if selected, could add features like alloy wheels, a more advanced audio system, and upgraded interior trim. The interior was typically finished in durable, easy-to-clean materials, reflecting the truck’s work-oriented nature.
Chassis & Braking
The D-Max III utilizes a body-on-frame construction, providing a robust and durable chassis. The front suspension consists of double wishbones, while the rear employs leaf springs. This configuration is optimized for load-carrying capacity and durability. The braking system features ventilated discs on the front wheels and drum brakes on the rear. The ABS system helps to maintain control during hard braking. The steering is rack and pinion with electric power assistance, providing a reasonable level of steering feel and maneuverability.
Market Reception & Comparison
The Isuzu D-Max III Single Cab 3.0d 4WD was generally well-received by critics and buyers alike. It was praised for its robust build quality, reliable engine, and capable 4WD system. Compared to other pickups in its class, such as the Toyota Hilux and Nissan Navara, the D-Max offered a competitive combination of performance, durability, and value. Fuel economy was respectable for a vehicle of its size and capability, averaging around 29.4 US mpg in combined driving. The manual transmission was favored by many for its reliability and driver engagement, although some competitors offered automatic transmission options.
Legacy
The Isuzu 4JJ3-TCX engine has proven to be a durable and reliable powerplant. D-Max models equipped with this engine have a reputation for longevity, even with high mileage and demanding use. In the used car market, the D-Max III Single Cab 3.0d 4WD remains a popular choice for those seeking a dependable and capable pickup truck. Maintenance costs are generally reasonable, and parts availability is good. The combination of a robust engine, durable chassis, and capable 4WD system ensures that these vehicles continue to provide years of reliable service.




