2026 Isuzu FY Series

2026 Isuzu FYH 320-355 AT R58 8x4

Built for serious heavy-duty applications, the 2026 Isuzu FYH 320-355 AT R58 8x4 combines impressive carrying capacity, a powerful 355PS engine and the convenience of a fully automatic transmission with Isuzu's latest safety and driver technology.

At its heart is Isuzu's proven 9.8-litre 6UZ1-TCC 6-cylinder turbo-diesel engine, producing 259kW (355PS) at 2,000rpm and an impressive 1,437Nm of torque at 1,400rpm. This is paired with the heavy-duty Allison 4430 Gen 6 6-speed automatic transmission, delivering smooth power and effortless operation in demanding working conditions.

With a 32,000kg GVM, twin-steer front axles and tandem-drive rear axles, the FYH is designed to take on substantial payloads. The R58 configuration features a 5,770mm wheelbase, offering an excellent platform for a range of heavy-duty body applications.

Key Specifications
8x4 twin-steer, tandem-drive configuration
9.8L Isuzu 6UZ1-TCC 6-cylinder turbo-diesel engine
259kW (355PS) @ 2,000rpm
1,437Nm torque @ 1,400rpm
Allison 4430 Gen 6 6-speed automatic transmission
32,000kg GVM
32,000kg GCM
5,770mm wheelbase
Isuzu taper-leaf rear suspension with 6-rod and trunnion location system
14,600kg combined front axle capacity
20,000kg tandem rear axle capacity
Inter-axle lock and cross locks fitted to both rear axles
Full air disc Electronic Braking System (EBS)
Air-controlled exhaust brake
400L aluminium diesel fuel tank
28L AdBlue tank
ADR 80/04 Euro VI compliant
Advanced Safety Technology

The FYH 320-355 is equipped with an extensive suite of Isuzu Advanced Driver Assistance Systems to help provide greater confidence and safety on the road.

Safety features include Advanced Emergency Braking (AEB), Full Speed Adaptive Cruise Control (FACC), Lane Departure Warning (LDW), Lane Keeping Assist (LKA), Electronic Stability Control (ESC), Forward Collision Warning (FCW), Distance Warning System (DWS), Traffic Sign Recognition (TSR), Traffic Movement Warning (TMW), Adaptive Driving Beam (ADB), Anti-lock Braking System (ABS) and Anti-Skid Regulator (ASR).

Driver and front outboard passenger SRS airbags and seatbelt pretensioners provide additional occupant protection.

Driver Comfort & Technology

The FYH is designed to keep drivers comfortable and connected throughout the working day. The cabin features an ISRI 6860/875 NTS2 air suspension driver's seat with heating and ventilation, automatic climate control, tilt and telescopic steering column, heated and powered exterior mirrors and an ADR42-compliant sleeper space behind the seats.

The MyISUZU Co-Pilot multimedia system features a 10.1-inch high-definition touchscreen, truck-tailored GPS navigation with live traffic capability, AM/FM/DAB+ radio, wired Apple CarPlay and Android Auto compatibility, USB connectivity and Wi-Fi connectivity.

Heavy-Duty Capability

The FYH 320-355 AT R58 is engineered for applications where strength and payload capacity matter. Its twin-steer front end, tandem-drive rear axles, differential locking capability and robust Isuzu rear suspension make it an excellent foundation for demanding commercial body applications.

For added peace of mind, the FYH is backed by Isuzu's 6-year standard chassis warranty – up to 600,000km or 10,000 engine hours, together with 6 years of 24/7 roadside support with unlimited kilometres, subject to Isuzu's warranty conditions.

Powerful, capable and packed with the latest Isuzu safety technology – the FYH 320-355 AT R58 is built to take on the big jobs.