Opel diesel straight-4 1.7 L Y 17 DT engines

Opel diesel straight-4 1.7 L Y 17 DT 74 HP at 4400 RPM, 165 N⋅m at 1800 RPM engine

It's an 1686 cc (1.48 UK qt.) internal combustion reciprocating Inline 4 engine. It has bore/stroke ratio of 79 mm × 86 mm (3.11 in × 3.39 in). This engine was rated 55 kW (73.76 hp) at 4400 rpm and 165 N⋅m (121.7 lbf⋅ft) of torque at 1800 rpm.