LT4/LT4I   (1910)

Model Specifications​

Type	LT 4 / LT4 I
No. of Cylinders	4
Bore	75 mm
Stroke	88 mm
Capacity	1,556 cc
Horsepower/RPM	16 / 1400
Valves	Side Valve
Top Speed	65 kph
No. Produced	140
No. Surviving	4

The LT4 with only slightly increased stroke briefly superseded the G4.  However, a different engine having 65 mm bore and 118 mm stroke was installed in a model called LT 4I and this was considered to have been the prototype for the B1 that was then released in 1911.