| 2S4 Tyulpan | |
|---|---|
 A 2S4 Tyulpan on display at Patriot Park | |
| Type | Self-propelled heavy mortar |
| Place of origin | Soviet Union |
| Service history | |
| In service | 1975−Present |
| Used by | See Operators |
| Wars | Lebanese Civil War Soviet-Afghan War First Chechen War Second Chechen War Russo-Ukrainian War |
| Production history | |
| Designer | Yuri V. Tomashov Yuri N. Kalachnikov[1] |
| Manufacturer | Uraltransmash |
| No. built | 450 |
| Specifications | |
| Mass | 27,500 kg (60,600 lb) |
| Length | 7.94 m (26.0 ft) |
| Width | 3.25 m (10+3⁄4 ft) |
| Height | 3.225 m (10+1⁄2 ft) |
| Crew | 4+5[a] |
| Elevation | 50°−80° |
| Traverse | 10° |
| Rate of fire | 1 rpm[b] |
| Effective firing range | 800 m (870 yd) |
| Maximum firing range | 18,000 m (20,000 yd) |
| Armor | Steel |
Main armament | 240 mm 2B8 mortar (40 rounds) |
Secondary armament | PKT machine gun (1,500 rounds) |
| Engine | V-59, V12 Diesel engine 520 hp (390 kW) |
| Power/weight | 18.9 hp/t (14.1 kW/t) |
| Suspension | Torsion bar |
| Ground clearance | 0.4 m (1 ft 4 in) |
| Fuel capacity | 850 L (190 imp gal; 220 US gal) |
Operational range | 500 km (310 mi) |
| Maximum speed | 60 km/h (37 mph) |
| References | [3] |
The 2S4 Tyulpan (often spelled Tulpan, Russian: 2С4 «Тюльпан», lit. 'tulip') is a Soviet 240 mm self-propelled heavy mortar. "2S4" is its GRAU designation. The Tyulpan is the largest mortar system in use today.[4] It saw use in Afghanistan, Lebanon, Chechnya, and Ukraine.
- ^ Marine Corps Intelligence 1995, p. V−27.
- ^ a b Foss 2011, p. 914.
- ^ Foss 2011, pp. 914−915.
- ^ "The Russian Army's Super 'Gun' Is a City Destroyer". The National Interest. 21 August 2016. Archived from the original on 8 October 2018.
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