Compatible versions: ETS2 1.31 / 1.32 / 1.33  OLSF Engine Pack 28 offers a superior curve of torque and power, greater fuel economy in Efficiency engines and a higher torque in Performance engines.  Engines included: OLSF V6 Essential Gen4 / 1.650 Nm / 345 HP / Idle: 500 rpm – Redline: 2000 rpm OLSF V6 Efficiency LF Gen5/ 2.200 Nm / 465 HP / Idle: 500 rpm – Redline: 2000 rpm OLSF V8 Efficiency LF Gen5 / 2.900 Nm / 610 HP / Idle: 500 rpm – Redline: 2000 rpm OLSF V8 Standard Gen4 / 3.320 Nm / 700 HP / Idle: 500 rpm – Redline: 2500 rpm OLSF V8 Advance Gen4 / 3.800 Nm / 800 HP / Idle: 500 rpm – Redline: 2500 rpm OLSF V8 Performance Gen4 / 4.750 Nm / 1000 HP / Idle: 850 rpm – Redline: variable OLSF V8 Performance Plus Gen4 / 6.200 Nm / 1300 HP / Idle: 850 rpm – Redline: variable OLSF V12 Performance Gen4 / 9.000 Nm / 1900 HP / Idle: 850 rpm – Redline: variable OLSF V12 Performance Plus Gen4 / 11.400 Nm / 2400 HP / Idle: 850 rpm – Redline: variable  Changelog (28.0): – ETS2 1.33 support – New V6/V8 Efficiency engines with ultra-low internal friction  OLSF Transmission Pack 4 for all trucks OLSF AWDS Chassis Pack 4