The smallest and lightest engine in the ISF engine family is the Cummins ISF 2.8, a turbocharged four-cylinder diesel engine. The ISF 2.8 is a contemporary engine that combines two key attributes: compactness and power. For light commercial vehicles like pickup trucks, trucks, vans, and trucks, it is the best powertrain option. referred to as the Cummins R2.8 in the US market.

The cast iron cylinder block of the Cummins ISF 2.8 has interchangeable liners. This produced great strength while using less metal. Long-term dependability and repairability are guaranteed by inexpensive traditional material. The cylinder head of ISF 2.8 is likewise made of cast iron. Fuel injection nozzles, a single chain-driven overhead camshaft, and four valves are located in the middle of each cylinder. The rocker arms (long for exhaust valves, short for intake valves) are driven by the camshaft. Every valve has a chrome-plated stem and is constructed of steel that can withstand high temperatures. Although they have the same appearance, the intake and exhaust valves cannot be swapped out. On the flywheel side are the tensioner and timing chain. For the duration of the engine’s life, the chain doesn’t need to be maintained.
An excellent common rail injection system with electronic control is installed on the 2.8-liter diesel. A high pressure fuel pump installed on the front of the engine powers this system. Through a gear, the camshaft powers the fuel pump. A HE 200 WG turbocharger without an intercooler is included with ISF 2.8. This diesel has safety features that allow it to start at low temperatures. The air entering the intake manifold is heated by an electric coil.
Specifications
| Manufacturer | Columbus, Indiana; China |
| Production years | 2009-… |
| Cylinder block alloy | cast iron |
| Cylinder head material | cast iron |
| Fuel type | diesel |
| Fuel system | Common Rail direct injection |
| Configuration | inline |
| Number of cylinders | 4 |
| Valves per cylinder | 4 |
| Valve train layout | SOHC |
| Cylinder bore, mm | 94 |
| Piston stroke, mm | 100 |
| Displacement | 2781 cc |
| Configuration | Four-stroke, turbocharged |
| Compression ratio | 16.9:1 |
| Displacement | 107-160 hp (80-120 kW) at 3600 rpm |
| Torque output | 280-360 Nm at 1500-3000 rpm |
| Weight (dry) | 214 kg |
| Firing order | 1-3-4-2 |
| Oil volume, liters | 5,0 – oil pan; 0,436 – oil filter; 1.0 – one mark on the engine oil dipstick |
| Oil change interval | 20000 km or 12 months |
| Applications | Foton Tunland pickup, GAZelle NEXT, commercial vehicles |
Frequent problems and reliability ISF 2.8 Cummins

China is where ISF 2.8 is made and put together. The ISF 2.8 engine has a 500,000 km service life, according to Cummins. However, because of its subpar construction and materials, this engine actually has a terrible reputation in the Asian market. The fast deterioration of the cylinder walls is the engine’s most frequent failure. Consequently, there was a rise in oil consumption. Bad connecting rod bearings that have harmed the crankshaft are the next issue. Furthermore, the engine is prone to overheating. Coolant getting into the cylinders is very likely. This list is endless. Depending on the version, the ISF 2.8 engine meets Euro 3 or Euro 4 emission standards.
