Type 84A Chinese Heavy Mechanized Bridging (HMB) System
Type 84A
Heavy Mechanized Bridging (HMB) System
Other
Basic Information
Name
Type 84A Chinese Heavy Mechanized Bridging (HMB) System
Designation
Type 84A
Alternate Designation
Type 84A
Equipment Type
Heavy Mechanized Bridging (HMB) System
Manufacturer
China Shipbuilding Trading Co., Shanghai, China; China North Industries Corp. (NORINCO), Beijing China (Modified HMB)
Date of Introduction
2014
Description
The Type 84A Chinese Heavy Mechanized Bridging (HMB) System can hold tracked armored vehicles weighing up to 50 metric tons on five modular spans. It can handle wheeled vehicles with a maximum axle load of 13 metric tons. The bridge can span a gap of up to 50 m. When the bridge is being deployed, the truck backs up to the gap, drops hydraulic stabilizers on either side of the rear, and opens the bridge over the obstacle to be crossed. Outriggers are then opened and extended below the bridge. The bridge sections are carried and placed into position by an 8 x 8 or 6 x 6 wheeled vehicle. Each span is 10.5 m long. Up to five can be coupled together. The system can be used in water as deep as 3.5 m. The bridge can also be connected with various types of pontoon bridges.
Ground Specifications
Crew
13
Mobility Type
Wheeled (8x8)
Variants
60T HMB
The 60T HMB from NORINCO is a truck mounted bridge designed to conduct deliberate crossings of dry and wet gaps. One set consists of a total of five vehicles, each of which can transport and launch one bridge. This set has a total crew of 12, of which seven are required to position each span.
Type 84 Armored Vehicle Launched Bridge (AVLB)
The Type 84 AVLB launches a bridge with a weight capacity of 40,000 kg, but more recent Chinese MBTs, for example the Type 98 and Type 99, weigh far more than the bridgeʼs current weight capacity.
System
Alternative Designation
Type 84A
Type
Heavy Mechanized Bridging (HMB) System
Manufacturer
China Shipbuilding Trading Co., Shanghai, China;
China North Industries Corp. (NORINCO), Beijing China (Modified HMB)
Crew
13 ea
Chassis
The bridge sections are carried and placed into position by an 8×8 or a 6×6 forward-control type vehicle and the general laying sequence and operation are much the same as those for the Russian TMM truck-mounted Treadway bridge system.
Emplacement Time
The deployment time of the Type 84A HMB depends on a number of factors but the contractor is stating six to eight minutes for a single span and 45–60 minutes for a complete span.
Displacement Time
INA
Bridging System
Bridge Length
10.5 m
Bridge Width
3.8 m
Operational Depth
The Type 84A can be used in water up to a depth of 3.5 m and Type 84A bridges can also be connected with various types of pontoon bridges
Maximum Bridging Gap
Each bridge span is 10.5 m long and up to five of these can be coupled together to span a maximum gap of up to 50 m.
Maximum Weight Capacity, Tracked Vehicles
50,000 kg
Maximum Weight Capacity, Wheeled Vehicles
13,000 kg (Axle Loaded)
Note
When the bridge is being deployed, the truck backs up to the gap, drops hydraulic stabilizers on either side of the rear and opens the bridge over the obstacle to be crossed. Outriggers are then opened and extended below the bridge.
Dimensions
Length
9.879 m
Width
3.27 m
Height
INA
Weight
INA
Automotive
Note
The bridge sections are carried and placed into position by an 8×8 or a 6×6 forward-control type vehicle
Protection
Hull Armor
INA
Applique Armor
INA
NBC Protection
INA
Smoke Equipment
INA
Details
Country of Origin
China
Category
Mobility
Land > Combat Support Vehicles > Mobility
Filter Label
T
Classification
Domain
Ground
Equipment Status
Active
Dimensions
Length
9.88 m
Width
3.27 m
Height
—
Weight
—
Operators (4)
China
Myanmar
Tanzania
Zimbabwe
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