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M1070A1

Tank transporter

M1070A1 (Oshkosh HET A1)

The US Army M1070A1 is a much improved version of the original M1070 HET

 
 
Entered service 2012
Configuration 8x8
Cab seating 1 + 5 men
Dimensions and weight
Weight (empty) 20.6 t
Payload capacity ~ 75 t
Length 9.68 m
Width 2.59 m
Height 3.7 m
Mobility
Engine Caterpillar C18 diesel
Engine power 700 hp
Maximum road speed 80 km/h
Range ~ 750 km
Maneuverability
Gradient (loaded) 15%
Side slope ?
Vertical step ?
Trench ?
Fording 0.71 m

 

   The HET A1 Heavy Equipment Transporter was developed by Oshkosh. Its US Army designation is the M1070A1. Development of this tractor truck began in 2008. It is an improved version of the previous US Army M1070. This new tank transporter has a more powerful engine, armored cab and a number of other improvements, such as anti-lock brakes, traction control system and upgraded electrical systems. All major driveline components have been revised. Testing of this truck began in 2010. The US Army has ordered more than 1 400 new tank transporters. These new machines will replace the original M1070 HET tractor trucks that are now over 20 years old. Deliveries of the M1070A1 commenced in 2012.

   The M1070A1 is a purpose-designed heavy-duty military vehicle. It is used in conjunction with an M1000 semi-trailer and is designed to transport the M1A1 and M1A2 Abrams main battle tanks. It has good cross-country mobility and can operate over any type of terrain and in remote areas. Its main role is to carry military equipment on a trailer to the frontline. It can rapidly deploy main battle tanks, armored recovery vehicles, self-propelled artillery systems and other combat vehicles that can not self-deploy over long distances. It can also carry construction materials and other heavy loads.

   The M1070A1 has an integral armored cab. It accommodates driver, co-driver and four passengers. It accommodates the crew of the main battle tank, or other combat vehicle, that the M1070A1 transports on a trailer. The rear seat for four passenger can be transformed into a sleeper bunk for two. Protection level of the cab can be tailored depending on the threat and mission requirements.

   The M1070A1 is powered by an 18.1-liter Caterpillar C18 turbocharged diesel engine, developing 700 hp. The original M1070 heavy equipment transporter has significantly less powerful engine, that develops 500 hp. This prime mover has an 8x8 configuration. The first and the last axles are steerable. Vehicle is fitted with a central tyre inflation system. It can be adjusted from the driver's seat to suit the terrain that is being crossed.

   Behind the cab there is a winch assembly housing a dual winch arrangement which is used for loading and unloading operations. There are two winches with 25 t capacity each. There is also an auxiliary winch.

   Despite its bulk the M1070A1 heavy equipment transporter can be airlifted in an aircraft, although they have to be as large as a C17 Globemaster III to accommodate the tractor truck.

    The British Army uses an Oshkosh 1070F tank transporter. It is broadly similar to the HET A1. It is fitted with more powerful engine, new cab and has revised driveline components. A total of 92 tractor truck and 89 associated semi-trailers were delivered to the British Army between 2003 and 2004.

   The Oshkosh also proposes a Global HET with a 6x6 configuration that can transport loads with a maximum weight of 65 000 kg. It also has a 700 hp engine and cab for 6 soldiers. The Global HET tractor truck is in service with United Arab Emirates, where it is used to tow special semi-trailers of Jobaria artillery rocket system.

 

Video of the Oshkosh M1070A1 heavy equipment transporter

 
M1070A1 (Oshkosh HET A1)

M1070A1 (Oshkosh HET A1)

M1070A1 (Oshkosh HET A1)

M1070A1 (Oshkosh HET A1)

M1070A1 (Oshkosh HET A1)

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