M1074 Joint Assault Bridge System
The M1074 Joint Assault Bridge System (JAB, JABS) is an American armored military engineering vehicle based on the Abrams M1A1 main battle tank chassis.: p.154 The M1074 was designed by Leonardo DRS for the U.S. Army and Marine Corps to provide deployable bridge capability for units engaged in military operations.
| M1074 Joint Assault Bridge System | |
|---|---|
M1074 Joint Assault Bridge System | |
| Type | Armored vehicle-launched bridge |
| Place of origin | United States |
| Service history | |
| In service | 2016–present |
| Used by | |
| Production history | |
| Designer | United States Army Tank Automotive Research, Development and Engineering Center (TARDEC) |
| Designed | 2012 |
| Manufacturer | Leonardo DRS, West Plains, Missouri Anniston Army Depot (final assembly) |
| Unit cost | $1.87 million with MLC95 bridge (2018) |
| Produced | in production as of 2016 |
| No. built | 51 (as of 2018) Full rate production starts 2019 |
| Specifications | |
| Mass | 68.7 short tons (62.3 t) |
| Length | 32.25 ft (9.83 m) with bridge |
| length | MLC115 folding scissors bridge 11.7 meters. Bridge weight 15 short tons (14 t) |
| Width | 12 ft (3.66 m) |
| Height | Hull: 5.6 ft (1.71 m) with bridge: 10.1 ft (3.08 m) |
| Crew | 2 enlisted |
| Armor | Burlington composite armor |
Main armament | None |
Secondary armament | None |
| Engine | Honeywell AGT1500C multi-fuel turbine engine 1,500 shp (1,120 kW) |
| Power/weight | 23.8 hp/t (17.74 kW/t) |
| Payload capacity | 1× scissors-type folding bridge MLC115 (HASB) |
| Transmission | Allison DDA X-1100-3B (4 forward 2 reverse gears) |
| Suspension | High-hardness-steel torsion bars with rotary shock absorbers |
| Ground clearance | 0.48 m (1 ft 7 in) |
| Fuel capacity | 500 US gallons (1,900 L; 420 imp gal) |
Operational range | 260 miles (420 km) |
| Maximum speed | Road 45 mph (72 km/h) (governed); Off-road: 30 mph (48 km/h) |
The bridge is an armored vehicle-launched bridge (AVLB) Military Load Class 95 Scissor Bridge (MLC95) is currently being replaced with the Heavy Assault Scissor Bridge (HASB) MLC 115. After the M1074 has deployed the bridge, assault force vehicles can cross over the bridge. The M1074 can cross over, pick up the bridge on the far bank and continue along in support of assault forces.
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