The GM Diesel/

Detroit Diesel Detroit Diesel Corporation (DDC) is an American diesel engine manufacturer headquartered in Detroit, Michigan, United States. It is a subsidiary of Daimler Truck North America, which is itself a wholly owned subsidiary of the mulitinational Da ...

model 6051 Quad power pack consists of four inline

2-stroke A two-stroke (or two-stroke cycle) engine is a type of internal combustion engine that completes a power cycle with two strokes (up and down movements) of the piston during one power cycle, this power cycle being completed in one revolution of t ...

diesel Diesel may refer to: * Diesel engine, an internal combustion engine where ignition is caused by compression * Diesel fuel, a liquid fuel used in diesel engines * Diesel locomotive, a railway locomotive in which the prime mover is a diesel engin ...

6-71 engines mounted to one gearbox, usually with one shaft coming out of the power unit. The power units were fitted on landing craft and ships during

World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...

, ships including

LCI(L) The Landing Craft Infantry (LCI) were several classes of landing craft used to land large numbers of infantry directly onto beaches during the Second World War. They were developed in response to a British request for seagoing amphibious assault s ...

, Prab (741) and Nahka (751) were fitted with two of these power units to drive two propellers, Mataphon (761) was fitted with three. There is a later model of this power pack which has a standard solid shaft for fixed pitch props while the 6051 model is specially designed with a hollow main shaft and a sliding inner shaft with a hub on the end that changes the pitch on the

propeller A propeller (colloquially often called a screw if on a ship or an airscrew if on an aircraft) is a device with a rotating hub and radiating blades that are set at a pitch to form a helical spiral which, when rotated, exerts linear thrust upon ...

Specifications

* number of engines - 4 * model of engines - 671LA28H, 67LC28H, 671RC28H, 671RA28H

series 71 The Detroit Diesel Series 71 is a two-stroke diesel engine series, available in both inline and V configurations, manufactured by Detroit Diesel. The number 71 refers to the nominal displacement per cylinder in cubic inches, a rounding off of . ...

engines * Number of cylinders per engine- 6 * Bore - 4¼ " * stroke - 5" * cubic inch per cylinder 71ci * cubic inch per engine 426ci, 7.0L * Engine RPM- 500 to 2100 * gearbox reduction ratio- 3.23-1 * rated HP - 900 total * lube oil Cap. per engine - dry, 19 qts * lube oil Cap. per engine -refill, 17qts * cooling wat Cap. - 142qts total * starter motor - 24v, solenoid operated * clutch - 16" single plate, dry disc * gearbox oil cap. - 6½ gal * propeller - controllable pitch * prop size - 46" * control - electrical control switch at log desk

References

{{Reflist *General Motors Diesel engine div., Models 6051 quad and 2003 2 cylinder series 71 unit. Operators' Handbook Jan. 1943 rev. Apr. 24, 1944 *Operators' Hand Book Supplementing the Operating and Maintenance Manual, Revised Edition Restricted, Models 6051 Quad 6-Cylinder and 2003 2-Cylinder, Series 71 Diesel Units 1944 General Motors Diesel Engine Div. 6051

Specifications

See also

References