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Artillery1979–present
Towed howitzer
M198 howitzer is a towed howitzer originating in United States. It was built by Rock Island Arsenal (US). Reported operators include Bahrain, Ecuador, El Salvador, Honduras, Iraq, Kurdistan, Lebanon, Morocco, Pakistan, Saudi Arabia, Tunisia, Thailand.
United StatesTowed howitzer
United States
1979–present
See Operators
Lebanese Civil War Gulf War Somali Civil War War in Afghanistan (2001–2021) Iraq War War in Iraq (2013-2017) Syrian Civil War 2025 Cambodia‒Thailand conflict 2026 Afghanistan-Pakistan war
1968–1977
Rock Island Arsenal (US)
US$ 527,337
1978–1992
1,600+
7,154 kg (15,772 lb)
Combat: 11 m (36 ft 2 in) Travel: 12.3 m (40 ft 6 in)
6.09 m (19.98 ft) L/39
Travel: 2.8 m (9 ft 2 in)
Travel: 2.9 m (9 ft 6 in)
9 enlisted men
Separate loading charge and projectile
155 mm (6.1 inch)
Interrupted screw
Hydro-pneumatic
Split trail
−5° to +72°
45°
Maximum: 4 rpm Sustained: 2 rpm
684 m/s (2,240 ft/s)
Conventional: 22.4km (14 mi), RAP : 30km (18.6 mi), RAP and L/52 barrel: 40km (25 mi)
Bahrain
Ecuador
El Salvador
Honduras
Iraq
Kurdistan
Lebanon
Morocco
Pakistan
Saudi Arabia
Tunisia
Thailand
Reference text from Wikipedia contributors, used under CC BY-SA 4.0.
True scale
Sourced dimensions beside a 1.75 m human reference.
Points represent sourced observations, including revisions. Revisions on the same effective date are not separate inventory events. Ranges appear in the table and are not plotted as exact points.
| Observation / report period | Value | Source | Claim state |
|---|---|---|---|
| 28 Sept 2026 | 11 m | Wikipedia contributors | superseded |
| 28 Sept 2026 | 11 m | Wikipedia contributors | approved |
M198 howitzer equipment records. Variants, orders and quantities are shown as reported in each inventory source; coverage is incomplete.
BahrainArmy exact named equipment holdings: M198. Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only; no parent-force or national total inferred. Source role: ARTILLERY / 155mm. Original estimates, ranges, reporting names, reserve, lease and employment scopes retained; nested included counts are not added. Missile-system quantities mean launchers, not rounds. No readiness, crew, carried weapon, payload, factory-production or future order count inherited.
Reported count for M198 howitzer. Service scope: Royal Bahraini Army; does not replace a national total. 1 distinct count cell(s) from the same source list; shared rowspan cells counted once. Excludes retired/reserve/on-order rows. Count column(s): number: 18. Origin: United States. The listed variants/roles are the scope, not an immediately deployable count. The components do not establish one inventory census date; the stored date is the retrieved source snapshot.
EcuadorArmy exact named equipment holdings: M198. Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only; no parent-force or national total inferred. Source role: ARTILLERY / 155mm. Original estimates, ranges, reporting names, reserve, lease and employment scopes retained; nested included counts are not added. Missile-system quantities mean launchers, not rounds. No readiness, crew, carried weapon, payload, factory-production or future order count inherited.
El SalvadorArmy exact named equipment holdings: M198. Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only; no parent-force or national total inferred. Source role: ARTILLERY / 155mm. Original estimates, ranges, reporting names, reserve, lease and employment scopes retained; nested included counts are not added. Missile-system quantities mean launchers, not rounds. No readiness, crew, carried weapon, payload, factory-production or future order count inherited.
HondurasArmy exact named equipment holdings: M198. Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only; no parent-force or national total inferred. Source role: ARTILLERY / ; 155mm:. Original estimates, ranges, reporting names, reserve, lease and employment scopes retained; nested included counts are not added. Missile-system quantities mean launchers, not rounds. No readiness, crew, carried weapon, payload, factory-production or future order count inherited.
IraqArmy exact named equipment holdings: M198. Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only; no parent-force or national total inferred. Source role: ARTILLERY / 155mm. Original estimates, ranges, reporting names, reserve, lease and employment scopes retained; nested included counts are not added. Missile-system quantities mean launchers, not rounds. No readiness, crew, carried weapon, payload, factory-production or future order count inherited.
LebanonArmy exact named equipment holdings: M198. Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only; no parent-force or national total inferred. Source role: ARTILLERY / 155mm. Original estimates, ranges, reporting names, reserve, lease and employment scopes retained; nested included counts are not added. Missile-system quantities mean launchers, not rounds. No readiness, crew, carried weapon, payload, factory-production or future order count inherited.
Mexico
MoroccoReported count for M198 howitzer. Service scope: Royal Moroccan Army; does not replace a national total. 1 distinct count cell(s) from the same source list; shared rowspan cells counted once. Excludes retired/reserve/on-order rows. Count column(s): quantity: 35. Origin: unstated. The listed variants/roles are the scope, not an immediately deployable count. The components do not establish one inventory census date; the stored date is the retrieved source snapshot.
PakistanArmy exact named equipment holdings: M198. Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only; no parent-force or national total inferred. Source role: ARTILLERY / 155mm. Original estimates, ranges, reporting names, reserve, lease and employment scopes retained; nested included counts are not added. Missile-system quantities mean launchers, not rounds. No readiness, crew, carried weapon, payload, factory-production or future order count inherited.
Saudi ArabiaNational Guard exact named equipment holdings: M198. Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only; no parent-force or national total inferred. Source role: ARTILLERY / 155mm. Original estimates, ranges, reporting names, reserve, lease and employment scopes retained; nested included counts are not added. Missile-system quantities mean launchers, not rounds. No readiness, crew, carried weapon, payload, factory-production or future order count inherited.
ThailandArmy exact named equipment holdings: M198. Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only; no parent-force or national total inferred. Source role: ARTILLERY / 155mm. Original estimates, ranges, reporting names, reserve, lease and employment scopes retained; nested included counts are not added. Missile-system quantities mean launchers, not rounds. No readiness, crew, carried weapon, payload, factory-production or future order count inherited.
TunisiaArmy exact named equipment holdings: M198. Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only; no parent-force or national total inferred. Source role: ARTILLERY / 155mm. Original estimates, ranges, reporting names, reserve, lease and employment scopes retained; nested included counts are not added. Missile-system quantities mean launchers, not rounds. No readiness, crew, carried weapon, payload, factory-production or future order count inherited.
Bahrain, Ecuador, El Salvador, Honduras, Iraq, Kurdistan, Lebanon, Morocco, Pakistan, Saudi Arabia, Tunisia, Thailand
Equipment reference ↗Reported count for M198. Service scope: current equipment of the Iraqi Ground Forces; does not replace a national total. 1 distinct count cell(s) from the same source list; shared rowspan cells counted once. Retired, wholly reserve and on-order rows are excluded; the reported count retains any explicitly mixed stock scope in the quoted row. Count column(s): quantity: 160. Origin: United States. The listed variants/roles are the scope, not an immediately deployable count. Dates are the count-cell citations' stated source period (2024), not the article revision. 2024 cited source edition. Edition or publication years do not claim an exact inventory census day.
Army exact named equipment holdings: M198. Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only; no parent-force or national total inferred. Source role: ARTILLERY / 155mm. Original estimates, ranges, reporting names, reserve, lease and employment scopes retained; nested included counts are not added. Missile-system quantities mean launchers, not rounds. No readiness, crew, carried weapon, payload, factory-production or future order count inherited.
Reported count for M198. Service scope: Royal Thai Army; does not replace a national total. 1 distinct count cell(s) from the same source list; shared rowspan cells counted once. Excludes retired/reserve/on-order rows. Count column(s): quantity: 116. Origin: United States. The listed variants/roles are the scope, not an immediately deployable count. The components do not establish one inventory census date; the stored date is the retrieved source snapshot.
Reported count for M198. Service scope: Tunisian Army; does not replace a national total. 1 distinct count cell(s) from the same source list; shared rowspan cells counted once. Retired, wholly reserve and on-order rows are excluded; the reported count retains any explicitly mixed stock scope in the quoted row. Count column(s): number: 57. Origin: United States. The listed variants/roles are the scope, not an immediately deployable count. The components do not establish one inventory census date; the stored date is the retrieved source snapshot.