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Military materpiece: MS-20 Daglezja heavy mobile bridge

The MS-20 Daglezja is a modern mobile assault bridge mounted on heavy duty Jelcz truck chassis and trailer  The system is developed and manufactured by the Polish Company Osrodek Badawczo-Rozojowy Urzaden Mechanicznych (OBRUM). The vehicle has been developed by OBRUM to meet the operational requirements of the Polish Army who funded development of the MS-20 Daglezja Towed Support Bridge.

MS-20 Daglezja heavy mobile launcher assault bridge Obrum Jelcz truck 6×6 C662 D-43M Polish army

The MS-20 Daglezja is a modern mobile assault bridge mounted on heavy duty Jelcz truck chassis and trailer. The system is developed and manufactured by the Polish Company Osrodek Badawczo-Rozojowy Urzaden Mechanicznych (OBRUM). The vehicle has been developed by OBRUM to meet the operational requirements of the Polish Army who funded development of the MS-20 Daglezja Towed Support Bridge. The vehicles was unveiled in September 2008 at the the International Defence Industry Exhibition in Kielce, Poland. MS-20 Daglezja is designed to arrange passage over natural and artificial barriers like rivers and trenches of width up to 20 m. Bridge allows crossing of heavy vehicles, including main battle tanks of 3rd generation and 155 mm self-propelled howitzers. On 5th December 2012, OBRUM Company has announced the delivery of the first MS-20 Daglezja to the Polish Army.
 
Variants
- The bridge can be also mounted on a tracked chassis
 
Technical Data
Bridge Equipment
The scissors type bridge is transported and launched over the rear of the three axle trailer by remote control with the trailer being provided with an Auxiliary Power Unit (APU) to power the launching system. Before laying the bridge hydraulically operated stabilizers are lowered to the ground to provide a more stable launch platform. When opened out the scissors type bridge is 23 m long which allows it to span gaps of up to 21 m which depends on the conditions of the bank. The bridge takes about 10 minutes to lay in position and can take tracked vehicles weighing up to 63.5 tons or wheeled vehicles up to 99.7 tons. Every span is filled between girders so bridge has road surface along the whole usable width. Filling between girders makes possible crossing by wheeled vehicles of less wheel track vehicles and troops as well.
 

The bridge takes about 10 minutes to lay in position and can take tracked vehicles weighing up to 63.5 tons.

Design and protection
The MS-20 heavy launcher mobile assault bridge vehicle consists of the prime mover tractor (6 × 6) and a semi-trailer that carries the scissors type bridge and its associated launching system. The 6×6 truck is equipped at the front with a two doors crew cab which is fitted with the control systems to launch and recover the bridge. The Type 134WP crew cab is equipped with two seats including driver and one sleeper bunk. One single hatch is mounted at the top of the crew cab. The crew cabin is not protected.
 

The MS-20 Daglezja heavy launcher mobile assault bridge vehicle consists of the prime mover tractor (6 × 6) and a semi-trailer that carries the scissors type bridge and its associated launching system.

Truck and Trailer
The bridge and launching systems are mounted on a three-axle semitrailer towed by the Polish Jelcz C662.D43-M Daglezja (6 × 6) tractor truck. The JELCZ C662D.43 truck is built on high-mobility, heavy-weights, all-wheel-drive, and 3-axle tractor version. Vehicle is adjusted to drive on and off roads. C662D.43 is assigned for tank semitrailer. The truck is motorized with an Iveco 430 kW diesel engine. It’s a Six cylinder four stroke turbo charged and intercooled diesel engine with electronically controlled fuel rate and injection timing. Engine is equipped with high-pressure injection system with injectors operated from the overhead camshaft. The truck uses a ZF 16S 221 gearbox couple to the engine with 16-speed range change. Except transporting function, the chassis is equipped to positioning and to removing the span from terrain obstacle.
Front drive axle – rigid beams of I -section with disk wheels, suspended on two half-elliptic springs with rocking levers, two telescopic shock absorbers, mechanical stabilizer located before front axle, with differential lock.
Rear drive axles – (tandem) with differential gear connected to the frame by reaction rods, suspended on two inverted half-elliptic leaf springs. The MS-20 Daglezja can run at a maximum speed of 85 km/h.
Accessories
Standard equipment of the MS-20 Daglezja includes one spare wheel, heater and ventilation with multi speed fan. Driver and co-driver seats are equipped with automatic safety belts and headrest, with air springing system.
Specifications
Type of vehicle
Heavy mobile launcher assault bridge vehicle
Country user
Poland
Designer Country
Poland
Accessories
Remote control for the bridge system, one spear wheel, heater and ventilation
Crew
2
Truck
Jelcz C662, D43-M Daglezja
Weight
Truck: 12,000 kg; Weight of set: 48,000 kg
Speed vehicle
85 km/h
Span
Weight: 15,000 kg; Length: 23m;
Bridge roadway width: 4,0 m
Vehicle Dimensions
Length, 16.5 m; Width, 2.55 m; Height, 4.0 m

The MS-20 Daglezja’s Developemnt and Deployment history

On 5th December in the OBRUM Research and Development Center of Mechanical Appliances a press conference organized due to handing over of two MS-20 “Daglezja” Mobile Bridges to the Polish Armed Forces was held.

The conference was hosted by Andrzej Szortyka, the President of the Boards of OBRUM sp. z o. o. and Bumar-?ab?dy Mechanical Works, and the Members of the Board of both companies.

The conference was attended by representatives of local and national media.

Mr. Szortyka, on behalf of Krzysztof Krystowski (the President of BUMAR Warszawa sp. z o. o.) informed the guests about the strategy of Bumar Group with respect to the companies from Gliwice, and about adopted and implemented restructuring plans. Mr Szortyka also declared that the Bumar-Land Division is ready to implement the part of the armored program related to main battle tanks, worth about 7,000,000,000 PLN. Polish defense industry has always been and still is a strong competitor to the world’s largest corporations.

The Bumar-Land Division presently consists of three companies – Bumar-?ab?dy S.A. Mechanical Works, “Tarnów” S.A. Mechanical Works, and OBRUM sp. z o. o. (Gliwice), which prepares innovational construction projects. The last one will be the leader of the Division.

Those three companies were chosen to form the Division due to their skills and knowledge as well as production and repair capacity.

The Division will also obtain commercial rights.

In the near future, the company Wojskowe Instytuty I Zak?ady Remontowe will join the Division.

In the next part of the conference, Jerzy Olek (Director of Development of OBRUM sp. z o.o.) presented the origin and the state of implementation of so-called bridge program consisting of the following mobile bridges: the MS-20 and MS040 vehicle bridges, MS-20 tracked vehicle and pontoon bridge.

The particular attention was paid to the MS-20 “Daglezja” Towed Support Bridge.

This was the last chance to see it at its producer – OBRUM sp. z o.o., since on 10th December it will officially become a part of the Polish Armed Forces.

After the official part of the conference, the guests were invited to the testing square in order to see a demonstration of the mobile bridge in action and later on its Chief Constructor Dariusz Pasieka commented on it.

The representatives of media were given occasional informational materials consisting of i.a. pictures and video clips concerning mobile bridges manufactured by OBRUM sp. z o.o.

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