Arrangement of auxiliary equipment in the engine bay of a commercial vehicle

An internal combustion engine for a vehicle, comprising:

• a crankshaft rotatably mounted on a cylinder block, with a rotation axis that extends in a vertical plane that distinguishes a first side of the engine and a second side of the engine;
• a first belt configured to be driven by the crankshaft;
• an alternator capable to be driven via the first belt;
• a pump configured to be driven by the first belt;
• and
• a primary refrigerating compressor mounted to the cylinder block, where the primary refrigerating compressor is arranged on the first side of the engine, and the alternator and the hydraulic steering pump are arranged on the second side of the engine.

An internal combustion engine for a vehicle, comprising:

• a crankshaft rotatably mounted on a cylinder block, with a rotation axis that extends in a vertical plane that distinguishes a first side of the engine and a second side of the engine;
• a primary refrigerating compressor arranged on the first side of the engine;
• and
• a secondary refrigerating compressor arranged on the second side of the engine.