The SD engine was replaced by the Nissan TD engine. It was manufactured by Minsei Diesel Industries, Ltd., which was renamed Nissan Diesel Motor Co., Ltd in 1960.

Straight-four

SD20

The SD20 is a naturally aspirated straight-four

diesel engine The diesel engine, named after the German engineer Rudolf Diesel, is an internal combustion engine in which Combustion, ignition of diesel fuel is caused by the elevated temperature of the air in the cylinder due to Mechanics, mechanical Compr ...

with a bore and stroke of . It had three main bearings. The Diesel versions of the

Nissan Cedric The is a large automobile produced by Nissan Motors, Nissan from 1960 to 2015. It was developed to provide upscale transportation, competing with the Prince Skyline and Prince Gloria, Gloria which were later merged into the Nissan family. In late ...

in the 1960s until the early 1980s used this engine, which produces at 4,000 rpm. It was first seen in a passenger car in June 1964, when it was fitted to the QGS31 Nissan Cedric.

SD22

First appearing in 1963 the SD22 is a naturally aspirated inline-four diesel engine. It is a stroked version of the smaller SD20, lengthened to . It produces at 4,000 rpm as fitted to the 1983 430-series Nissan Cedric. It was first used in a passenger car with the 330-series

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 from 1980 through 1983, where it produced ( SAE) at 4,000 rpm. Like its lesser SD20 relative (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 be 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: * 1963-1965 Nissan Caball QC141 * 1964-1970 Nissan Junior Q40, Q41 * 1965-1966 Nissan Caball QC142 * 1966-1971

130 * 1966-1976 Nissan Caball C240 D4 * 1970-1982 Nissan Junior 140-series * 1971-1975

R230 * 1976-1979

R330 * 1980-1983

Datsun 720 The Datsun truck is a Pickup truck#Compact pickups, compact pickup truck made by Nissan in Japan from 1955 through 1997. It was originally sold under the Datsun brand, but this was switched to Nissan in 1983. It was replaced in 1997 by the Nissa ...

* Nissan Caravan/Homy RE20-series

SD23

The SD23 is a straight four diesel engine with eight valves (two per cylinder), and a

distributor A distributor is an electric and mechanical device used in the ignition system of older spark-ignition engines. The distributor's main function is to route electricity from the ignition coil to each spark plug at the correct time. Design ...

type injection pump. It is a bored out version of the SD20, up to . It produces SAE net at 4,300 rpm and was fitted to the Nissan 720 and D21 Pickups, as well as the E23

Nissan Urvan Urvan may refer to: * Nissan Urvan, a cargo van * ''urvan'', a concept of the soul in Zoroastrianism Zoroastrianism ( ), also called Mazdayasnā () or Beh-dīn (), is an Iranian religions, Iranian religion centred on the Avesta and the teac ...

and export market Y30-series Cedrics. 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. The European-spec version claimed , as fitted to the 1985 Urvan.

SD25

The SD25 is the biggest version of the four-cylinder SD series, with the larger bore and stroke of . It was fitted to Nissan 720 pickup trucks 1983 through 1986 and D21 Nissan pickups (only 1986–1988). In some European markets it was also fitted to the Nissan Urvan and Cabstar. Featured five main bearing crankshaft and redesigned rear main seal.

Straight-six

SD33

The SD33 is a

straight-six A straight-six engine (also referred to as an inline-six engine; abbreviated I6 or L6) is a piston engine with six cylinders arranged in a straight line along the crankshaft. A straight-six engine has perfect primary and secondary engine balanc ...

, most known for its use in the Nissan Patrol MQ (160 series) from 1980-1983Nissan Patrol model 160&61 Series Workshop Manual and the Nissan C80. The SD33 produces at 3,800 rpm. In a joint distribution venture with

Chrysler FCA US, LLC, Trade name, doing business as Stellantis North America and known historically as Chrysler ( ), is one of the "Big Three (automobile manufacturers), Big Three" automobile manufacturers in the United States, headquartered in Auburn H ...

started in 1969, this engine was marketed as the Chrysler-Nissan CN6-33 for marine use. Chrysler-Nissan engines were also installed in the International Scout, until the collaboration ended in 1978. The CN6-33 engines are painted yellow and have "Chrysler Nissan" on the valve covers. The Engine was also used in the UD 3400 series light truck, large forklifts, Marine applications, in

International Scout The International Scout is an off-road vehicle produced by International Harvester from 1960 to 1980. A precursor of more sophisticated SUVs to come, it was created as a competitor to the Jeep, and it initially featured a fold-down windshield. ...

offerings from 1976 to 1979, as well as the Jeep CJ-10/Cj-10A flightline tow vehicles from 1985 to 1986. The Scout-based Monteverdi Sahara was also offered with the SD33.

SD33T

The SD33T is a

turbocharged In an internal combustion engine, a turbocharger (also known as a turbo or a turbosupercharger) is a forced induction device that is powered by the flow of exhaust gases. It uses this energy to compress the intake air, forcing more air into the ...

that was used in 1980 for the powerplant in 6,400 International Scout II's. All were equipped with a T-19

manual transmission A manual transmission (MT), also known as manual gearbox, standard transmission (in Canadian English, Canada, British English, the United Kingdom and American English, the United States), or stick shift (in the United States), is a multi-speed ...

. From July 1983 until 1987, SD33T engines were fitted to the Nissan Patrol MK (160 series, facelift model). The SD33T produces and of torque.

References

{{nissan SD Diesel engines by model Straight-four engines Straight-six engines