Hercules DFXE: Difference between revisions

Hercules DFXE
Hercules DFXE
	The DFXE powered the Diamond T Models 980 and 981 tank transporter
Overview
Manufacturer	Hercules Engine Company
Layout
Configuration	Straight-6
Displacement	855 cu in (14.011 L)
Cylinder bore	5+5⁄8 in (143 mm)
Piston stroke	6 in (152 mm)
Compression ratio	14.8:1
Combustion
Fuel type	Diesel
Output
Power output	201 bhp (150 kW) at 1600 rpm
Torque output	685 ft⋅lbf (929 N⋅m) at 1150 rpm; 660 ft⋅lbf (890 N⋅m) at 1600 rpm;

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Revision as of 05:26, 15 March 2023

The Hercules DFXE was an American diesel truck engine produced by the Hercules Engine Company.

Part of the Hercules DFX series, the DFXE is a naturally aspirated, direct injection,overhead valve, inline six-cylinder engine.^[1]^[2] The engine had a displacement of 855 cu in (14.011 L), with a bore of 5+5⁄8 in (143 mm), a stroke of 6 in (150 mm) and a compression ratio of 14.8:1.^[3]^[4] It developed 201 bhp (150 kW) at 1,600 rpm and a maximum 685 ft⋅lbf (929 N⋅m) of torque at 1150 rpm; 660 ft⋅lbf (890 N⋅m) at 1600 rpm.^[5]^[6]

The DFXE was designed to requirements of the British Purchasing Commission for use in the Diamond T Model 980 tank transporter. As the Diamond T Model 980 was later adopted by the US, the DFXE was one of the few diesel engines used by US tactical trucks during World War II.^[7]^[8]

The engine was used in upright or horizontal configurations.^[9]

It was used in the Diamond T Models 980 and 981 trucks in World War Two, the Le Tourneau Model B29 Tournapull earthmover (introduced in 1945),^[10] and the Oliver OC-18 crawler tractor (introduced in 1952),^[11] among others.

Notes

^ TM55-1031, p.5.
^ Ware, p 29.
^ TM55-1031, p.5.
^ Ware, p 29.
^ TM 9-1768A, p 4.
^ Ware, p 46.
^ Doyle (2003), pp. 230–231.
^ TM 9-768 (1944), pp. 136–140.
^ TM55-1031, p.5.
^ Orlemann, p 33.
^ Wendel, pp 601-602.

Sources

Berndt, Thomas. Standard Catalog of U.S. Military Vehicles 1940–1965. Iola, WI: Krause Publications, 1993.
Doyle, David (2003). Standard catalog of U.S. Military Vehicles. Krause Publications. ISBN 0-87349-508-X.
Orlemann, Eric R. LeTourneau Earthmovers. St Paul, Minnesota: MBI Publishing Co, 2001.
U.S. Department of the Army. TM 9-1768A: Tractor Truck M20, Component Of 45-Ton Tank Transporter, Truck-Trailer M19, Engine, Clutch, Fuel System, And Cooling System. Washington, DC: United States Government Printing Office, 22 June 1945.
U.S. Department of the Army. TM 9-768: 45-ton Tank Transporter Truck-trailer M19. Washington, DC: United States Government Printing Office, 25 October 1944.
U.S. Department of the Army. TM55-1031: Engines, Diesel, Hercules: Series DFXB, DFXC, DFXD, and DFXE. Washington, DC: United States Government Printing Office, November 1944.
Ware, Pat. The Diamond T Models 980, 981: Britain's second-generation tank transporter. Yalding, Kent: Kelsey Media, 2020.
Wendel, C. H. Standard Catalog of Farm Tractors, 1890-1980. Iola, WI: KP Books, 2005.

[1] TM55-1031, p.5.

[2] Ware, p 29.

[3] TM55-1031, p.5.

[4] Ware, p 29.

[5] TM 9-1768A, p 4.

[6] Ware, p 46.

[FOOTNOTEDoyle2003230–231-7] Doyle (2003), pp. 230–231.

[FOOTNOTETM_9-7681944136–140-8] TM 9-768 (1944), pp. 136–140.

[9] TM55-1031, p.5.

[10] Orlemann, p 33.

[11] Wendel, pp 601-602.

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 * U.S. Department of the Army. [https://www.scribd.com/doc/149374612/Tm-9-768-DIAMOND-T-980-AND-981-M9-TRAILER ''TM 9-768: 45-ton Tank Transporter Truck-trailer M19'']. Washington, DC: United States Government Printing Office, 25 October 1944.
 * U.S. Department of the Army. [https://archive.org/details/TM55-1031 ''TM55-1031: Engines, Diesel, Hercules: Series DFXB, DFXC, DFXD, and DFXE'']. Washington, DC: United States Government Printing Office, November 1944.
-* Ware, Pat. ''The Diamond T Models 980, 981: Britain's second-generation tank transporter''. Yalding, Kent: Kelsey Media, 2020. [[ISSN]] 977-2633712-00-1-03.
+* Ware, Pat. ''The Diamond T Models 980, 981: Britain's second-generation tank transporter''. Yalding, Kent: Kelsey Media, 2020.
 * Wendel, C. H. [https://books.google.com/books?id=_mE8TIi7AKIC&dq=Hercules+DFXE&pg=PA602 ''Standard Catalog of Farm Tractors, 1890-1980'']. Iola, WI:  KP Books, 2005.