Isuzu Australia Limited (IAL) has launched the second phase of its MY25 model range, with a broad selection of light-duty N Series, medium-duty F Series and heavy-duty FY Series variants hitting the market last month.
This major release is a core component of Isuzu’s staged national roll-out, bringing key models such as the N Series Ready-to-Work range and multiple F Series configurations to market, expanding options for operators across critical Gross Vehicle Mass (GVM) bands.
Commenting on the November model release, IAL Director and Chief Operating Officer, Andrew Harbison, said the phase-two milestone was an important step towards having the full MY25 range available for Australian customers.
“We’ve had some excellent feedback following of our stage-one model launch back in July, which encompassed N Series NQR models, a range of six-cylinder FV variants, along with heavy-duty FX models.
“This next phase is very exciting, as it opens up a significant number of models for Australian operators across a broader range of weight categories in both light and medium duty,” Harbison continued.
“Of note is the long-awaited release of a large contingent of our N Series Ready-to-Work range, which we know is extremely popular and in high demand.
“Bringing a range of this breadth to market has been a generational task for our production and logistics teams, so together with our dealer partners, we’re extremely pleased to be able to open up even more possibilities for our customers, across a huge range of applications.”
Heavy-duty FY Series
As part of the phase two Isuzu model release, there are seven models available across the 32 tonne GVM line-up.
The 8×4 FY sports a new ADR 80/04 compliant powerplant, a brand-new cab, a first-in-class safety package and more.
In-line with market demand, all FY models are exclusively mated to the Allison HD4430 heavy-duty automatic transmission, designed for demanding on-highway and off-highway applications and known for its durability and performance.
Also found on the FV Series and common across all 2025 FY models, is a pair of the same higher-capacity Meritor MFS73 steer axle (with disc brakes), delivering an additional 500 kilograms of legal payload in accordance with recently introduced Mass Limit Allowances for vehicles meeting ADR 80/04 through the National Heavy Vehicle Regulator (NHVR). This ensures that all MY25 FY models offer more legal payload than the models they are replacing.
An extensive list of safety features is introduced for the first time to the FY range, matching those seen on FV and FX models launched earlier in 2025. Notably, the FY models retain the Lane Keeping Assist (LKA) feature with intuitive adaptive steering. Further highlights include Full-Speed Adaptive Cruise Control (F-ACC) and Bi-LED Headlamps with Adaptive Driving Beam (ADB).
Medium-duty F Series
With a GVM ratings beginning at 11,000 kilograms, including several variations of the popular FRR and FRD, the stage-two F Series release tops-out at 14,000 kilograms GVM with FSR and FSD models, servicing a broad range of applications across this weight critical capacity.
Vehicle types on offer include day cabs, rest cabs and crew cabs, in addition to a selection of wheelbase options available, providing flexibility and fit-for-purpose end-use across Australian industry at large.
Across the F Series range, there are three Japanese-made engines on offer.
Fitted to the FRR, FRD, FSR and FSD models is Isuzu’s high torque, fuel efficient, light weight 4HK1-TCH engine, which produces 177 kW (240 PS) and 765 Nm of torque.
Isuzu’s 4HK1-TCS variant of this four-cylinder powerplant can be found in the 4×4 FSS model, producing 154 kW (210 PS) and 706 Nm of torque.
On the emissions front for the Isuzu 4HK1 engines used in F Series models, compliance to the latest ADR 80/04 emissions standard is achieved via a Diesel Particulate Diffuser (DPD) to reduce harmful particulate matter, combined with Exhaust Gas Recirculation (EGR) and a Selective Catalytic Reduction (SCR) system to reduce oxides of nitrogen or NOx.
The addition of a dosing unit using AdBlue ensures that the severity of harmful NOx emissions is reduced with the exhaust system ultimately producing far safer water vapour and nitrogen gas.
Across the F Series range, there’s a selection of transmissions to meet the needs and demands of Australian operations, from urban freight delivery to more bespoke applications and everything in between.
Isuzu’s six-speed MZW-6P Automated Manual Transmission, with both fully automatic and clutch-less manual operation modes, plus the added advantage of 145 per cent torque convertor multiplication for added acceleration, is found in most of these 4-Cylinder F Series models, designed and engineered specifically for trucking applications.
For those operators who still desire their own gear shifting, Isuzu’s six-speed, factory manual transmissions can be specified across select models where additional engine and rev control is required.
The F Series release will initially include one new model, rated at 26,000kg GVM, with a 14-pallet body configuration. Further models with 10 and 12-pallet configurations will be released in 2026.
Light-duty N Series
From November 2025, Isuzu customers have been able to choose from an extensive list of newly released 4×2 N Series including all-new NLR, NNR, NPR and NMR models.
Across the stage-two N Series roll-out, GVM ratings begin at a driver’s licence friendly 4500 kilograms, encompassing a large band of vehicles including multiple variations of the NLR, NNR, NMR and NPR models.
Adding to its versatility are a range of vehicle types on offer, including Crew cab variants and a range of pre-built Ready-to-Work models. There’s also selection of wheelbase options available.
Engine options include two tried and tested Japanese-made, ADR compliant diesel power-plants with three power outputs that provide the horsepower behind the N Series range.
At the lighter end of the spectrum, various N Series models are equipped with Isuzu’s high torque, fuel efficient, turbocharged and inter-cooled light weight 4JZ1 engine, available with two power ratings, the TCS, which produces 110 kW (150 PS) at 2800 RPM, and the TCH as found in some NPR models outputting 129 kW or 175 PS.
Rounding-out engine options in the N Series range is the higher output 4HK1-TCH engine providing 190 horsepower or 140 kilowatts at 2600 RPM, which can be found in the NPR 70-190 models, matching the output of the NQR range released earlier in 2025.
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