The History of the Delco-Remy Divsion of General Motors
A.K.A. "The Remy Brothers" or "The Remy Electric Company"
1896-1994
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Delco-Remy in World War Two
World War Two Products and Product Applications
Marine Equipment for Boats, Ships and Landing Craft

This page added January 14, 2017.

Delco-Remy Marine Equipment in World War Two:  Thirty-eight models of generators, 11 models of regulars, 61 models of starting motors, 8 models of ignition distributors, 7 models of ignition coils, supercharger blower rotors for marine diesels, pistons for marine diesels with diameter of pistons ranging from 4 to 17 inches in diameter, diesel engine intake air pre-heaters, diesel engine fuel pre-heaters, diesel engine governor castings,  and propeller pitch controls for sub-chasers and some landing craft.


Delco-Remy supplied 2,235 starters, generators and generator regulators for the three each Packard engines that powered 745 PT boats built during WWII.  PT 728 is a rebuilt Vospers PT boat owned by the Liberty Aviation Museum in Clinton, OH.  A GMC DUKW next to it was built with Remy electrical components.  Author's photo.


This Packard Marine Engine still has its Delco-Remy starter and generator installed.  Author's photo from the National Museum of the Pacific War in Fredericksburg, TX. 


This Delco-Remy marine generator is one of 2,235 installed on each of the three engines of the 745 PT boats built during WWII.  Author's photo.


The DR Tag from the DC generator.  Author's photo.


This Delco-Remy starter came on each of the 2,235 Packard marine engines installed in PT boats during WWII.  Author's photo.


Author's photo.


Author's photo.

The table below summarizes the number of WWII landing craft built with Detroit Diesel Division of GM engines.  The 43,060 diesel powered landing craft were equipped with a total of 57,189 6-71 engines, each using a Remy starter, generator, and voltage regulator.  Plant 5 also cast pistons for Detroit Diesel, and they were used in the landing craft engines.

Detroit Diesel Engine World War Two Landing Craft Applications

Type Landing Craft Number built Type Engine Engines per Landing Craft Landing Craft using Detroit Diesel Engines for propulsion Number of Detroit Diesel Engines for propulsion Number of 6-71  for ship's power 6-71 Engines Usage Comments
LCP(L) 2,193 Various including Gray Marine 64HN9/Detroit Diesel 6-71 1 1,097 1,097   1,097 Assumes 50% Gray Marine 64HN9/Detroit Diesel 6-71 as that was the preferred engine.
LCP(R) 2,572 Various including Gray Marine 64HN9/Detroit Diesel 6-71 1 1,286 1,286    

1,286

 

Assumes 50% Gray Marine 64HN9/Detroit Diesel 6-71 as that was the preferred engine.
LCV 2,366 Various including Gray Marine 64HN9/Detroit Diesel 6-71 1 1,183 1,183    

1,183

 

Assumes 50% Gray Marine 64HN9/Detroit Diesel 6-71 as that was the preferred engine.
LCVP 23,353 Gray Marine 64HN9/Detroit Diesel 6-71 or Hudson built Hall-Scott 210 hp gasoline powered Invader 1 19,353 19,353   19,353 Some LCVPs received the Hudson built Hall-Scott 210 hp gasoline powered Invader engines due to the fact Detroit Diesel could not supply all of the engines the military was requesting.  Hudson built 4,000 of these so I have used that number to subtract from 23,353.
LCM(3) 8,631 Gray Marine 64HN9/Detroit Diesel 6-71 or
Kermanth 100 hp six cylinder gasoline engines
2 4,223 8,446   8,446 Assumes 50% Gray Marine 64HN9/Detroit Diesel 6-71 as that was the preferred engine.
LCM(4) 2,718 Gray Marine 64HN9/Detroit Diesel 6-71 or
Kermanth 100 hp six cylinder gasoline engines
2 2,039 4,078   4,078 Assumes 75% Gray Marine 64HN9/Detroit Diesel 6-71 as that was the preferred engine.
LCM(6) 2513 Gray Marine 64HN9/Detroit Diesel 6-71 or
Kermanth 100 hp six cylinder gasoline engines
2 1,885 3,770   3,770 Assumes 75% Gray Marine 64HN9/Detroit Diesel 6-71 as that was the preferred engine.
LCT(5) 470
Gray Marine 64HN9/Detroit Diesel 6-71
3 470 1,410   1,410  
 

LCT(6)

 

960 Gray Marine 64HN9/Detroit Diesel 6-71 3 960 2,880  
2,880

 

 
LCI 923 Detroit Quad Diesels (6051) 2 923 1,846 1,846 9,230 The 6051 was the designation for four 6-71s tied together.  The ship's power on the LCI was provided by two 6-71 engines driving 60KW generators.
LCS(L) 130 Detroit Quad Diesels (6051) 2 130 260 260 1,300 The ship's power on the LCS(L) was provided by two 6-71 engines driving 60KW generators.  There is still on LCS(L) in existence at Mare Island in San Francisco, CA.  See the links page for more information.
LST 1,052 Detroit Diesel 6-71 3 1,052 0 3,156 3,156 The ship/s power on the LST was provided by three 6-71 engines driving 100KW generators.
Totals 47,881     34,601 45,609 5,316 57,189 This does not include any spares.  Also, this is almost a year's production for Detroit Diesel during the WWII.
Type Landing Craft Number built Type Engine Engines per Landing Craft Landing Craft using Detroit Diesel Engines Number of Detroit Diesel Engines Number of 6-71  for ship's power 6-71 Engines Usage Comments


23,353 LCVPs were built in the United States during WWII by Higgins Industries, Chris-Craft and Owens Yacht.  This LCVP, constructed by Owens Yacht, is owned by the Roberts Armory, a private museum, in Rochelle, IL.  It is one of 2,000 built by Owens Yacht.  Of the 23,353 originally built, it is one of only eighteen still in existence.  What makes this LCVP significant is that it was one of the 19,353 that came equipped with a Detroit Diesel 6-71 engine.  Charles Roberts, owner of Roberts Armory, has done a remarkable job of restoring this all wooden vessel to the way it looked when it was built in 1945.  Author's photo.


The Detroit Diesel 6-71 engine with the cast blower visible.  The rotor for the blower was cast in Delco-Remy Plant 5.   Author's photo.


Here the Delco-Remy naval starter is visible.  Photo courtesy of Chuck C. Roberts of the Roberts Armory.


 Model 1108734.  Photo courtesy of Chuck C. Roberts of the Roberts Armory.


A Hudson Invader marine engine comes off the assembly line in Detroit during WWII.  Delco-Remy supplied the electrical equipment for the 4,004 engines built.  The Remy starting motor and solenoid are visible in this photo.


This contemporary photo of an Invader engine was taken at the Ypsilanti Automotive Heritage Museum.  The starter, solenoid and DR tag are obvious.  Author's photo.


Author's photo.


The distributor is located on the left front side of the engine.  Author's photo.


The Delco-Remy distributor on the Invader engine is a marine type, to protect the internal parts from salt corrosion.  Author's photo.


Delco-Remy distributor model 4242, serial number 8204. Author's photo.


The Remy DC generator is located below the distributor.  Author's photo.


The USS Cod of the Gato Class submarines is on display along the Cleveland, OH waterfront.  It was one of over 200 US submarines in the Gar, Gato, Baleo, and Trench class of submarines powered by diesel engines built by the Cleveland Diesel Division of General Motors.  Delco-Remy Plant 5 cast pistons for marine diesel engines.  The pistons ranged in size from 4 to 17 inches in diameter, and would have been used by Detroit Diesel Division,  Cleveland Diesel Division and Electro-Motive Division engines.   Author's photo.


The USS Cod had four Cleveland Diesel engines.  Two of them are visible in this photo.   Author's photo.


Landing Ship, Tanks, or LSTs used three Detroit Diesel 6-71 engines to provide for ship's power.  The 1,051 LSTs built had Delco-Remy starters, generators and voltage regulators on these engines.  Pistons for the two Electro-Motive Division of GM propulsion engines were cast in DR plant 5.  Author's photo.

Motor Torpedo Boat Engineer's Handbook:  Below is a section of the Engineer's Handbook on the PT boat.  It contains several locations where the Navy specified Delco-Remy components.


Delco-Remy supplied both 75 amp and 40 amp 28 volt DC generators for US Navy PT boats.


For the 75 amp generator Delco-Remy supplied a vibrating finger type voltage regulator and for the 40 amp generator a carbon pile type regulator.  The Division also supplied the cranking motor. 

 Delco-Remy in WWII  DR WWII Aircraft Products   DR WWII Vehicle Products DR and LST-393   DR WWII King's Mill Plant DR WWII Anitoch Foundry
 

 

 

Delco-Remy at the Normandy Invasion, June 6, 1944   World War Two Products and Product Applications   The Army-Navy "E" Award   Our War Job
Home  History   The Plants   Plant Photos   Moments in Time  The Products   Product Brochures   Service Manuals   Training Booklets   Video  Employment Numbers   Museums   Sources  Allied Divisions   Revisions   Reunions   Remy Electric Country Club   Vintage Literature about The Remy Electric Company   Links

This Website has no affiliation with General Motors, Delphi Holdings, Remy International, or Borg-Warner.  The content is to only present a historical perspective of the plants and products of the former Delco-Remy Division previous to 1994.  All content
presented on this website is for general information only.   Website designed and maintained by David D Jackson.  
Contact:  David D Jackson