Caterpillar C1.6 / Perkins 404C-15, 4 cylinder 1.5 liter Engine January 20, 2020 By Tim Kohler Leave a Comment New Surplus Engine. Same as Perkins 404C-15. This one is kinda rare in that is is 4 cylinders and only 1.5 liter. $3500 The 3 cylinder 1.5 liter is much more common. We have those too. If you have questions, give us a call, 651-983-4331.