technical manual 105-mm howitzer M2A1, 105-mm howitzer recoil mechanisms M2A1, M2A2, and M2A3, 105-mm howitzer carriages M2A1 and M2A2, and 105-mm howitzer mounts M4 and M4A1 tm Instrument lights M19, M31, M34, M35, M37, M38, M47, 6578454 and 7983714, 1955 Insert for informal combined operator's manual, maintenance manual and parts identification list for semi-trailer, low bed, rear loading 25 ton / by Dorsey Trailers [et ā¦ Informal combined operator's manual, maintenance manual and parts identification list for semi-trailer, low bed rear loading 25 ton / by Eidel Manufacturing Company technical manual Operator's Manual (Crew) for Howitzer, Medium, Towed: 155MM, M198 (1025-01-026-6648) technical manual Direct support and general support maintenance : fighting vehicle, infantry, M2 (2350-01-048-5920) and fighting vehicle, cavalry, M3 (2350-01-049-2695), hull technical manual Operator's Manual For Howitzer, Medium, Self-Propelled: 155-MM, M109 (2350-00-440-8811) ; 155-MM, M109A1 (2350-00-485-9662) ; 155-MM, M109A3 (2350-01-031-8851)