Indonesian Army Artillery Corps plans to acquire 20 M109 self-propelled howitzers from surplus  stocks.
An Indonesian  Army delegation recently visited part of the European countries in search of such self-propelled howitzers.
The delegation of the Indonesian  Army also been to Belgium to visit in search of such the self-propelled howitzers, it seems procurement howitzers had now become almost real. Costs for the procurement of  M-109A4 is already clearly stated in the Memorandum of Financial and Draft Budget 2017 of the Republic of Indonesia. Even the amount purchased was already mentioned as many as 20 units.
https://www.youtube.com/watch?v=qmAxM5sd53k
The M109 is an American 155mm self-propelled howitzer, first introduced in the early 1960s. It was upgraded a number of times to today’s M109A6 Paladin. The M109 family is the most common Western indirect-fire support weapon of maneuver brigades of armored and mechanized infantry divisions.