Nissan SD engine
Encyclopedia
SD20
The SD20 is a normally aspirated 1991 cc straight-four diesel engineDiesel engine
A diesel engine is an internal combustion engine that uses the heat of compression to initiate ignition to burn the fuel, which is injected into the combustion chamber...
with a bore and stroke of 83.0 and 92.0 mm. It had three main bearings. The Diesel versions of the Nissan Cedric
Nissan Cedric
The Nissan Cedric is a large automobile produced by Nissan since 1960. It was developed to provide upscale transportation, competing with the Prince Skyline and Gloria which were later merged into the Nissan family...
in the 1960s until the early 1980s used this engine, which produces 60 PS at 4,000 rpm. It was first seen in June 1964, when it was fitted to the QGS31 Nissan Cedric.
SD22
The SD22 is a normally aspirated 2164 cc inline-four diesel engine. It is a stroked version of the smaller SD20 (83.0 x 100.0 mm bore and stroke). It produces 65 PS at 4,000 rpm as fitted to the 1983 430-series Nissan Cedric. It was first used in the 330-series Nissan Cedric from June 1977. It was also produced in a marine version MN 22 by Chrysler Marine under license during the 1980s.The SD22 was used in the Datsun 720 pickup trucks from1980 through 1983, where it produced 61 hp (SAE) at 4,000 rpm. Like its lesser SD20 sister (but unlike its SD33 six-cylinder derivative) it has three main bearings and was never available with turbocharging. In 1981, pistons were upgraded to a three ring piston with a steel compression ring carrier cast as part of the piston for improved durability.
The engine is popular in Australia utilized mostly as a reliable pump for remote livestock stations. The engine may still by manufactured and imported by JESCO in California. JESCO also supplies parts. The marine version, using a water-cooled exhaust manifold and expansion tank is also still available from other manufacturers.
Applications:
- 1964 Nissan CaballNissan CaballNissan Caball is a light commercial truck manufactured by Nissan Motors from December 1957 until December 1981. The Caball was mainly sold in Japan, Hong Kong, South East Asian countries, Australia, New Zealand, and few European countries. While the Caball name came to an end in 1981, its...
QC141, QC142 - 1964-1970 Nissan Junior Q40/41
- 1970-1982 Nissan Junior 140-series
- 1977-? Nissan Cedric 330-series
SD23
The SD23 is a 2289 cc straight four diesel engine with eight valves (two per cylinder), and a distributor type injection pump. It is a bored out version of the SD20, with a bore and stroke of 89.0 x 92.0&nnsp;mm. It produces 73 SAE hp at 4,300 rpm and was fitted to the Nissan 720 and D21 Pickups, as well as the E23 Nissan Urvan. The engine has also been used in many other functions, for forklifts, marine, and stationary applications. Unlike the smaller engines, the SD23 received a five bearing crankshaft.SD25
The 2488 cc SD25 is the biggest version of the four-cylinder SD series, with the larger bore and stroke of 89.0 and 100.0 mm. It was fitted to Nissan 720 pickup trucks 1983 through 1986 and D21 Nissan pickups (only 1987 in Canada). It was also fitted to the Nissan Urvan and Cabstar. Featured five main bearing crankshaft & redesigned rear main seal.SD33
The SD33 is a 3.3L (3246 cc) Straight 6 diesel engineDiesel engine
A diesel engine is an internal combustion engine that uses the heat of compression to initiate ignition to burn the fuel, which is injected into the combustion chamber...
, most known for its use in the Nissan Patrol
Nissan Patrol
The Nissan Patrol is a four-wheel drive vehicle manufactured by Nissan in Japan since 1951. In Japan since 1980, it has been known as the Nissan Safari. The Patrol is available in Australasia, Central and South America, South Africa, parts of Southeast Asia and Western Europe as well as Iran and...
MQ (160 series) from 1980-1983 and the Nissan C80. The SD33 produces 98 hp.
The Engine was also used in the UD 3400 series light truck, large forklifts, Marine applications, in International Scout offerings from 1976 to 1979,as well as Jeep CJ-10 and Cj-10a flightline tow vehicles from 1985 to 1986.
SD33T
The SD33T is the Turbocharged version of the SD33 engine and was used in 1980 for the powerplant in 6400 International Harvester Scout II's. All were equipped with a T-19 manual transmission. From July 1983-1987 SD33T engines were fitted to the Nissan PatrolNissan Patrol
The Nissan Patrol is a four-wheel drive vehicle manufactured by Nissan in Japan since 1951. In Japan since 1980, it has been known as the Nissan Safari. The Patrol is available in Australasia, Central and South America, South Africa, parts of Southeast Asia and Western Europe as well as Iran and...
MK (160 series - model 2).