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The Duramax I4 engine is a family of turbocharged diesel I4 engines sold by General Motors in 2.5 and 2.8 liter sizes as an option for the Chevrolet Colorado, GMC Canyon, Chevrolet Express, and GMC Savana in southeast Asia and Oceania (Australia / New Zealand) from 2012, and in North America from 2016 through 2022.
The engine's timing components are located at the rear of the engine, and feature timing chains to drive the camshafts and high pressure fuel pump, and a wet belt to drive the oil pump. [1] Most of the development and engineering work for the LM2 Duramax, as well as primary calibration took place in Turin, Italy.
Duramax is a brand of turbocharged diesel engines marketed by General Motors. It may refer to: Duramax V8 engine, a 6.6L V8 engine designed and built by General Motors; Duramax I6 engine, a 3.0L inline six-cylinder engine used in the 1500-series GMT T1XX pickup trucks and SUVs
The L5P Duramax is the latest version of the Duramax V8 diesel engine.(engine code Y). Introduced in the 2017 model year, it was the most powerful diesel engine GM had produced, with 445 hp (332 kW) at 2,800 rpm and 910 lb⋅ft (1,234 N⋅m) at 1,600 rpm.
While the 1.9-litre RZ4E-TC engine remains unchanged, the 3.0-litre engine, now named 4JJ3-TCX, has received several updates, including a reshaped combustion chamber, higher-pressure injectors, a diamond-like carbon coating on the piston pins, an electronic variable geometry turbocharger and a double-scissor timing gear.