D10
The D10 was a 0.9 L (860 cc/52 cu in) engine is a flat-head side valve automobile engine produced from 1952 through 1955. Bore was 60 mm (2.4 in) and stroke was 76 mm (3.0 in) in the undersquare British style. The engine is related to the Austin A-Series engine.
Output was 25 hp (18.6 kW) and 35.4 lb·ft (48 Nm) with a single carburetor.
D11
The D11 is a 1,138 cc (69.4 cu in) pushrod, three main bearing, inline-four with wedge combustion chambers, and a bore and stroke of 73 mm × 68 mm (2.874 × 2.677 in), a compression ratio of 8:1, and was rated at 29 PS (21 kW) at 2880 rpm (D11-PU 41-U model). It weighed 137.5 kg. Similar to the E & J series, and Austin A series in layout, it had a gear-driven cam drive similar to the larger SD series diesels; it was used in Datsun FG003 forklifts in the 1960s and then in the NFG101C forklift in the 1970s.
Applications
D12
The D12 is a 1,189 cc (72.6 cu in) version of Nissan/Datsun's D-series inline-four engine. Also an overhead valve design, it produces 56 PS (41 kW) at 4800 rpm.