TM-9-2350-311-10 M109 Operator's Manual for M109A2, M109A3, M109A4 and M109A5 Download
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TM 9--2350--311--10 Change 6 1--21 1--13 EQUIPMENT DATA — CONTINUED PERFORMANCES — CONTINUED Grade descending ability (max) 60% ............................................................... Trench crossing width (max) 72 in. (1.83 m) .......................................................... Vertical wall (max) 21 in. (0.53 m) ................................................................. Turn radius (min) 1 vehicle length .................................................................. Fording depth 42 in. (1.07 m) ..................................................................... PRIMARY ARMAMENT (TWO CONFIGURATIONS)* Cannon assembly M185 (M109A2/M109A3/M109A4) ................................................. M284 (M109A5) Cannon tube length 238 in. (6.05 m)(M185) ......................................................... 240 in. (6.09 m)(M284) Cannon mount M178 (M109A2/M109A3/M109A4) ................................................... M182 (M109A5) EFC value (M109A2/M109A3/M109A4) (Zones 1--6) 0.25 ............................................. (Zone 7) 0.75 (Zone 8) 1.00 EFC value (M109A5) (Zone 1 (M231)) 0.05 .......................................................... (Zone 2 (M231)) 0.15 (Zone 3 (M232/M232A1)) 0.10 (Zone 3G -- 5G (3A1)) 0.05 (Zone 3W -- 6W (M4A2)) 0.05 (Zone 4 (M232/M232A1)) 0.25 (Zone 5 (M232/M232A1)) 1.00 (Zone 7W (M4A2)) 0.15 (Zone 8/7R (M119A1/A2)) 0.25 (Zone 8R/8S (M203/A1)) 1.00 * All data listed applies to both configurations unless specified otherwise.