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IDF Ro'em self-propelled gun, mounting a L/33 M-68
|Place of origin||Israel|
|Used by||See users|
|Weight||9,500 kg (20,900 lb)|
|Barrel length||5.115 m (16 ft 9 in) L/33|
|Caliber||155 mm NATO|
|Traverse||±20° from centerline|
|Maximum firing range||21.0 km (13.0 mi)|
The M-68 is based on the Finnish designed 122 K 60 and 155 K 68 cannon series, first developed in the mid-1960s by the company Tampella Oy. Twelve Finnish cannons were built between 1970-1975, with more guns later built of later designs. These Tampella gun formed the basis for Soltam's production of the M-68 and later "Tampella series" guns. Before the 155 K 68 (Tampella), the 155HX prototype was shipped to Soltam for trials.
The first prototype was completed in 1968 for trials and evaluations by the Israeli Defense Force (IDF), who were satisfied with the performance of the howitzer. Subsequently, an order was placed with Soltam and a production line was initiated in 1970. The gun entered IDF service in time to serve IDF artillery corps during the Yom Kippur War of 1973.
The barrel of the M-68 was fitted with a simple muzzle brake while the recoil mechanism with its two pneumatic cylinder jacks are positioned on the back-end of the barrel.
The gun mount chassis, breech and recoil system were to see further use in the next development of this gun — the Soltam M-71, which has a slightly longer barrel (39 calibers versus 33 calibers of the M-68) and a compressed air-driven rammer to ease loading.
In addition to the towed version, a self-propelled gun known as the Ro'em / L-33 was produced. It consisted of a M4 Sherman chassis mounting the Soltam M-68 155 mm L/33 howitzer in large box-shape enclosed superstructure.
- : Israel Defense Forces
- : Chilean Army
- : Indian Army
- : Philippine Army
- : Singapore Army
- : Royal Thai Army
- : Myanmar Army
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- Kinard, Jeff (2007). Artillery: An Illustrated History of Its Impact. Weapons and warfare. ABC-CLIO. p. 312. ISBN 9781851095568.