| D engine | |
|---|---|
| Overview | |
| Manufacturer | Nissan Machinery |
| Layout | |
| Configuration | Naturally aspirated Inline-4 |
| Displacement | 1.0–1.2 L; 63.8–72.6 cu in (1,046–1,189 cc) |
| Cylinder bore | 70 mm (2.76 in) 73 mm (2.87 in) |
| Piston stroke | 68 mm (2.68 in) |
| Valvetrain | Pushrod |
| Compression ratio | 8.0:1 |
| Combustion | |
| Fuel system | Single Carburetor |
| Fuel type | Petrol |
| Cooling system | Water-cooled |
| Output | |
| Power output | 40–56 PS (29–41 kW) |
The Nissan D-series is an overhead valve series of engines which first appeared in 1964, with the 1.05-liter D engine. Similar to a number of British and other Datsun engines, it may have been derived from an Ohta design which also found its way into some Kurogane vehicles - both of these companies were swallowed up by Nissan in the early 1960s.
The D type engine was introduced for the 1964 update of the Datsun Cablight (A122). This engine displaces 1.0 L; 63.8 cu in (1,046 cc) and is of an overhead valve design.[1] Its internal dimensions are unknown, but the displacement is the same as the E-10 engine made by Tokyu Kogyo Kurogane from 1959 until 1962; this engine was originally developed by Ohta.[2] The E-10 engine has a bore and stroke of 70 mm × 68 mm (2.76 in × 2.68 in);[3] this is the same stroke as in the latter D11 engine. The D engine, unlike other Nissan engines of the period, also has its distributor mounted between the second and third cylinders rather than towards the back of the engine.[1] Kurogane was taken over by Nissan in 1962 and the Datsun Cablight was a continuation of the Kurogane Mighty, which had already used the E-10 engine in the Mighty NC model.
The D11 is a 1.1 L; 69.4 cu in (1,138 cc) pushrod, three main bearing, inline-four with wedge combustion chambers, and a bore and stroke of 73 mm × 68 mm (2.87 in × 2.68 in), a compression ratio of 8.0:1, and was rated at 29 PS (21 kW) at 2800 rpm (D11-PU 41-U model). It weighed 137.5 kg (303 lb). 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-103C forklifts in the 1970s. These later industrial applications produce 27 PS (20 kW) at 2800 rpm.[4]
The D12 is a 1.2 L; 72.6 cu in (1,189 cc) version of Nissan/Datsun's D-series inline-four. Also an overhead valve design, it produces 56 PS (41 kW) at 4800 rpm.[5]
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