Eng. F1L 812 850 ccm 9 kW (12 PS) Eng. F2L 812 1700 ccm 15-22 kW (20-30 PS) Eng. F3L 812 2552 ccm 25-32 kW (34-44 PS) Eng. F4L 812 3400 ccm 33-39 kW (45-53 PS) Eng. F6L 812 / D 5100 ccm 55-74 kW (75-101 PS) Eng. F2L 912 / D / W 1885 ccm 21-28 kW (32-38 PS) Eng. F3L 911 2474 ccm 29-37 kW (40-50 PS) Eng. F3L 912 / D / W 2827 ccm 24-44 kW (33-60 PS) Eng. F4L 911 3299 ccm 39-49 kW (53-67 PS) Eng. F4L 912 / D / W 3770 ccm 32-62 kW (44-84 PS) Eng. F5L 912 / D 4712 ccm 40-78 kW (54-106 PS) Eng. F6L 911 4948 ccm 51/74 kW (80/100 PS) Eng. BF6L 912 Eng. F6L 912 D / W 5655 ccm 42-100 kW (57-136 PS) Eng. F6L 912 5660 ccm 48-82 kW (65-112 PS) Eng. F3L 912 F Eng. F3L 913 3064 ccm 24-44 kW (33-60 PS) Eng. F4L 912 F Eng. F4L 913 4086 ccm 34-78 kW (46-106 PS) Eng. F5L 912 F / W 5107 ccm 41-78 kW (56-106 PS) Eng. F6L 913 6128 ccm 51-96 kW (69-130 PS)