Table:
text: Mercedes-Benz W123
Models (except North America and Japan)
Models (except North America and Japan)
Chassis_code Years Model Engine Power_ Torque
W123.125 1977–1985 240D LWB 2.4L OM616 I4 Diesel PS (kW; hp) @ 4200 from 02/79 PS (kW; hp) @ 4400 N·m (lb·ft) @ 2400
W123.183 1978–1986 240TD 2.4L OM616 I4 Diesel PS (kW; hp) @ 4200 from 02/79 PS (kW; hp) @ 4400 N·m (lb·ft) @ 2400
W123.026 1975–1985 250 2.5L M123 I6 PS (kW; hp) @ 5500 from 09/79 PS (kW; hp) @ 5500 N·m (lb·ft) @ 3500 from 09/79 N·m (lb·ft) @ 3500
W123.028 1977–1985 250 LWB 2.5L M123 I6 PS (kW; hp) @ 5500 from 09/79 PS (kW; hp) @ 5500 N·m (lb·ft) @ 3500 from 09/79 N·m (lb·ft) @ 3500

Question: What engine does the W123.026 chassis have among the Mercedes-Benz W123?