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Heavy Equipment Transport System

From Wikipedia, the free encyclopedia

An M1070 and M1000 loading an M88 Recovery Vehicle in southern Iraq
An M1070 and M1000 loading an M88 Recovery Vehicle in southern Iraq

Heavy Equipment Transporter System (HETS) is the name of a U.S. Army logistics vehicle transport system, the primary purpose of which is to transport the M1 Abrams tank. It is also used to transport, deploy, and evacuate armored personnel carriers, self-propelled artillery, armored bulldozers, and other heavy vehicles and equipment.

The current U.S. Army vehicle used in this role is an Oshkosh-built M1070 tractor unit in A0 and A1 configurations which is coupled to a DRS Technologies M1000 semi-trailer.[1] This combination replaced the earlier Oshkosh-built M911 tractor unit and M747 semi-trailer.

M1070 and M1000

An Oshkosh M1070 8×8 Heavy Equipment Transporter (HET) tractor pulling a M1000 HETS trailer, carrying a slat-armored M93 Fox NBC detection vehicle near Baghdad, Iraq
An Oshkosh M1070 8×8 Heavy Equipment Transporter (HET) tractor pulling a M1000 HETS trailer, carrying a slat-armored M93 Fox NBC detection vehicle near Baghdad, Iraq

To meet a US Army requirement for the transport of the M1 Abrams series main battle tank (MBT) Oshkosh Truck Corporation (now Oshkosh Defense) proposed the M1070. A contract for 1044 M1070s was placed, with production commencing in July 1992.[2] The final U.S. Army contract for the original A0 version called for 195 vehicles. These were delivered between March 2001 and March 2003. A total of 2,488 A0 versions were delivered to the U.S. Army.[2] Following extensive use, some M1070s have been Reset to original build standard by Oshkosh.[2]

The M1070E1 model was developed in the mid-1990s in conjunction with the U.S. Army as a possible Technology Insertion Program (TIP) for the M1070. No orders were placed.[2]

In March 2008, Oshkosh Defense announced a contract award from the U.S. Army to begin engineering and initial production of the next-generation of HET.[2] Oshkosh announced in October 2010 its first delivery order for the M1070A1 HET. Production of the M1070A1 concluded in August 2014, with 1,591 new vehicles built.[2]

The M1000 trailer is used with the M1070A0 and M1070A1 tractors.[3] The M1000 was originally developed as a private venture by Southwest Mobile Systems (later Systems & Electronics Inc (SEI), now DRS Technologies) as a response to a possible US Army requirement for transporting M1 and M1A1 MBTs. A production order for 1,066 M1000 units was placed by the U.S. Army in 1989. By July 2009 more than 2600 M1000 trailers had been ordered.[2]

Previous Heavy Equipment Transports

M25 Tank Transporter

The M25 Tank Transporter was a heavy tank transporter and tank recovery vehicle used in World War II and beyond by the US Army. Nicknamed the Dragon Wagon, the M25 was composed of a 6×6 armored tractor (M26) and 40-ton trailer (M15).

M746/M747 - M911/M747

M911 tractor and M747 trailer with M60 Patton tank
M911 tractor and M747 trailer with M60 Patton tank
Oshkosh M911 tractor hauling a load
Oshkosh M911 tractor hauling a load

Prior to 1993, the U.S. Army employed the Commercial Heavy Equipment Transporter (C-HET), which consisted of either the M746 or the M911 truck tractor and the M747 semitrailer.

During Operations Desert Shield and Desert Storm the M911 vehicles were employed primarily to haul M1 Abrams tanks. However, they demonstrated poor durability when loads exceeded 60 tons. Some are still serving as heavy transports of other military equipment, such as cargo handling equipment.

General Characteristics

M911 tractor M746 tractor M747 trailer
Length: 30 feet 27 feet 48.2 feet
Width: 9.5 feet 10 feet 11.5 feet
Height: 11.8 feet 10 feet 6.8 feet
Weight: 26.3 tons 25.8 tons 17.1 tons
Speed: 43 miles per hour 38 miles per hour N/A
Range: 614 miles 200 miles N/A
Crew: 2 2 N/A
Engine: 430 hp Detroit Diesel Series 92 (8V92TA) 12 cyl Detroit Diesel 12V71T, 600 bhp @ 2500 rpm
Transmission: 5-speed automatic N/A

Operators

See also

External links

References

  1. ^ "Heavy Equipment Transporter System (HETS)". United States Army Acquisition Support Center. October 15, 2005. Retrieved August 8, 2017.
  2. ^ a b c d e f g "Oshkosh M1070 and M1070A1 (8 × 8) Heavy Equipment Transporters (HETs) and M1000 semi-trailer". IHS Jane's Shaun C Connors & Christopher F Foss. 2015-08-27. Retrieved 2015-09-22.
  3. ^ "TECHNICAL MANUAL OPERATOR'S MANUAL FOR TRUCK, TRACTOR, 8X8 M1070 A1 NSN 2320-01-564-6882". US Army. Retrieved 2015-09-28.
  4. ^ "Fort Snelling Military Museum". Archived from the original on 2006-09-21. Retrieved 2006-11-15.
  5. ^ a b c "Annex C Appendix II". US Army Technical Manual of Foreign Military Sales: Battlefield Damage Assessment and Repair (PDF). Washington, D.C. 18 December 1987. p. 264 (C-4). TM 9-2320-356-BD.
This page was last edited on 19 May 2020, at 07:58
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