This B30 was a straight-6

Straight-6

The straight-six engine or inline-six engine is a six-cylinder internal combustion engine with all six cylinders mounted in a straight line along the crankcase...

 automobile

Automobile

An automobile, autocar, motor car or car is a wheeled motor vehicle used for transporting passengers, which also carries its own engine or motor...

 engine produced by Volvo Cars

Volvo Cars

Volvo Car Corporation, or Volvo Personvagnar AB, is a Swedish automobile manufacturer founded in 1927, in Gothenburg, Sweden. It is owned by Zhejiang Geely Holding Group. Volvo was originally formed as a subsidiary company to the ball bearing maker SKF. When Volvo AB was introduced on the Swedish...

 starting in 1969, and used in the company's 164

Volvo 164

The Volvo 164 is a six cylinder sedan unveiled by Volvo Cars at the Paris Motor Show early in October 1968 for the 1969 model year. The company built 146,008 examples before production ended in 1975....

 sedan from 1969 through 1975. It was also used in the Volvo C303

Volvo C303

Volvo Cross Country C303 is the base model of a range of military vehicles produced by Volvo.The car was developed in the late 60s based on the successful L-3314 series and went into production in 1974. This version was produced both as a 4x4 and a 6x6. An 8x8 was planned but dropped. Engines were...

 military vehicle. Other uses included marine, industrial and agricultural applications. It was a robust pushrod engine using timing gears and displaced 3.0 L (2978 cc/181 in³). Basically it's a B20

Volvo B18 engine

This B18 was a straight-4 automobile engine produced by Volvo Cars from 1961 through 1968. The five-bearing, cam-in-block engine, had OHV overhead valves operated by pushrods. The B18 is quite different in design from its predecessor, the three-bearing B16....

 with two added cylinders. Output ranged from 130 hp (97 kW) with the B30A equipped with two Zenith-Stromberg 175CD2SE sidedraught CD carburetor

Carburetor

A carburetor , carburettor, or carburetter is a device that blends air and fuel for an internal combustion engine. It is sometimes shortened to carb in North America and the United Kingdom....

s to 160 hp (119 kW) (SAE net

Horsepower

Horsepower is the name of several units of measurement of power. The most common definitions equal between 735.5 and 750 watts.Horsepower was originally defined to compare the output of steam engines with the power of draft horses in continuous operation. The unit was widely adopted to measure the...

) from the higher-compression B30E equipped with Bosch D-Jetronic electronic fuel injection

Fuel injection

Fuel injection is a system for admitting fuel into an internal combustion engine. It has become the primary fuel delivery system used in automotive petrol engines, having almost completely replaced carburetors in the late 1980s....

. The engine offered smooth running and high levels of torque at low engine speeds.