Military


M109 155mm SP Howitzer

    PERFORMANCE SPECIFICATIONS

    MAJOR ITEM:

    Model........................................................M109A2/A3/A4/A5
    
Line Item Number.......................................K557667 

    NATIONAL STOCK NUMBER
    

    M109A2........................................................2350-01-031-0586
M109A3........................................................2350-01-031-8851
M109A4........................................................2350-01-277-5770
M109A5........................................................2350-01-281-1719

    WEIGHT:
    

    Classification
    

    Empty...................................................................52,000
lb (23,586kg)
    
Combat
Loaded....................................................55,000
lb (24,948kg) 

    WIDTH
    

    Overall.................................................................124
in.(3.1M) 

    HEIGHT
    

    Overall.................................................................120.43
in(3M)
    
Lowest operable
height........................................109.93 in(2.8M)
    
Ground
clearance.......................................................18
in(0.45M) 

    LENGTH
    

    M109A2/A3/A4
w/armament...................................359.38 in(9.12M)
    
M109A5
w/armament..............................................361.38
in(9.17M)
    
M109A2/A3/A4/A5 w/o armament..........................243.75
in(6.19M) 

    SPEEDS
    

    High Speed..........................................35 mph
(56.3kmph)
    
Low Speed............................................6 mph
(10kmph)
    
Range..................................................217 miles
(349km) 

    PRIMARY ARMAMENT (TWO CONFIGURATIONS)
    

    Cannon
assembly.........................................................................M185
(M109A2/A3/A4)
    
....................................................................................................M284
(M109A5)
    
Cannon Tube
Length....................................................................238
in. (6.05m) (M185)
    
....................................................................................................240
in. (6.09m) (M284)
    
Cannon
Mount.............................................................................M178
(M109A2/A3/A4)
    
....................................................................................................M182
(M109A5)
    
Maximum Range
(M109A2/M109A3/M109A4)..........................18,000m
    
....................................................................................................RAP
23,500m
    
Maximum Range
(M109A5).........................................................22,000m
    
....................................................................................................RAP
30,000m
    
Maximum Rate of
Fire..................................................................4
rds/min for 3 min
    
Sustained Rate of
Fire..................................................................1
rd/min for 60 min
    
...................................................................................................1
rd/ 3 min thereafter
    
SECONDARY ARMAMENT
    
Machine
gun................................................................................Caliber
50, M2, Heavy barrel 


1  M185 Cannon (M109A2/A3/A4)
    M284 Cannon (M109A5)
2  Caliber 50 Machine Gun, M2
3  Panoramic Telescope Shield and Indirect Fire Telescope
4  Cannon Mount M178 (M109A2/A3/A4)
                            M182 (M109A5)
5  Cab
6  Hull
7  Direct Fire Periscope