Foton Aumark Tunland 4.5 F4.5NS6B Engine

The Foton Cummins 4.5L F4.5NS6B engine (the latest and most advanced iteration of the globally renowned ISF4.5 platform, frequently cross-listed with Foton's Tunland pickup series in aftermarket catalogs for broader brand search visibility) is a highly sophisticated and immensely powerful inline-4 turbo-diesel engine engineered by Beijing Foton Cummins Engine Co., Ltd. (BFCEC) for premium medium-duty commercial trucks. Developed specifically to meet the ultra-stringent National VI b (Euro VI equivalent) emission standards, this heavy-duty powertrain features a highly reliable 16-valve configuration and a premium High-Pressure Common Rail Direct Injection (CRDi) system. Combined with an advanced Turbocharger and highly sophisticated aftertreatment systems (EGR+DOC+DPF+SCR), it ensures massive low-end torque delivery, rapid transient response, and exceptional fuel economy under extreme payloads. With a displacement of 4,500 cc, it produces a highly versatile output ranging from approximately 190 to 220 hp, and an impressive 700 to 820 Nm of torque. While cross-referenced with the Tunland name for SEO purposes, this engine is physically designed for Foton's core medium-duty commercial lineup, prominently featuring the Foton Aumark and Auman trucks, providing dependable and highly efficient performance for regional freight hauling, construction transport, and heavy urban logistics. Designed to maximize fleet uptime and minimize total cost of ownership, the F4.5 engine offers indestructible cast-iron construction, extended service intervals, and the backing of a globally accessible Cummins parts ecosystem. Its cutting-edge engineering reinforces the Foton-Cummins partnership's reputation for producing world-class, industrial-grade diesel powertrains suitable for demanding global transport conditions.

Technical Features:

• Type: Inline-4 Turbo-Diesel Engine (Foton Cummins F-Series / ISF4.5 Evolution)

• Power Output: Approximately 190 hp to 220 hp (140 kW - 162 kW)

• Torque: Up to 700 Nm - 820 Nm

Engine Parameters:

• Displacement: 4,500 cc (4.5L)

• Fuel System: High-Pressure Common Rail Direct Injection (CRDi)

• Configuration: 16 Valves, Turbocharged Intercooled (Optimized for Euro VI / National VI b emissions)

Suitable Models:

• Foton Aumark / Auman (Medium-Duty Commercial Trucks / 9-ton to 18-ton GVW)

• Foton Ollin (Heavy Payload Light/Medium Trucks)