ATMOS 2000 vs M-46 field gun: Specs Compared

FORCETALLY

Loading the evidence…

Preparing your view.

ATMOS 2000 — licensed reference photograph

AArtillery

ATMOS 2000

Self-propelled howitzer

Credit

Philippine Army · Public domain · Resized · Public domain · Source ↗ · Modified

BArtillery

M-46 field gun

Towed field gun

Credit

Bandanschik · CC BY-SA 3.0 · Resized · CC BY-SA 3.0 · Source ↗ · Modified

First system

Second system

At a glance

Side by side

ATMOS 2000larger figure on 1 of 2

Calibre+19%

M-46 field gunlarger figure on 1 of 2

Crew+100%

Counts only measures both sources give with the same scope. A larger figure is not a better system.

Measured figures

Head to head

7 of 71 rows sourced on both sides

—

11.73m

Length

All recorded figures & sources

11.73 m

Length

Single source

11.73 m (38 ft 6 in)^[source]

—

2.45m

Width

All recorded figures & sources

Configuration

Details

ATMOS 2000 and M-46 field gun configuration
Specification	ATMOS 2000	M-46 field gun
Type	Self-propelled howitzer^[source]	Towed field gun^[source]
Place of origin	Israel^[source]	Soviet Union^[source]
In service	2001^[source]	—
Wars	2020 Nagorno-Karabakh conflict 2025 Cambodian–Thai clashes^[source]	Vietnam War Cambodian Civil War Eritrean War of Independence South African Border War Six-Day War Yom Kippur War Ethiopian Civil War Angolan Civil War Uganda–Tanzania War Sino-Vietnamese conflicts (1979–1991) Lebanese Civil War Iran–Iraq War Sri Lankan Civil War First Nagorno-Karabakh War Yugoslav Wars Kosovo War Syrian Civil War Yemeni Civil War (2014–present) Second Nagorno-Karabakh War Tigray War Israeli–Lebanese conflict Russo-Ukrainian War

Manufacturer	Soltam Systems (now Elbit Systems )^[source]	MOTZ^[source]

Role	155 mm /52 calibre self-propelled gun system^[source]	—

Source measurement	ATMOS is fitted with a 155 mm /52 calibre ordnance which conforms to NATO Joint Ballistic Memorandum of Understanding (JBMoU), and is mounted on a 6 × 6 cross-country truck chassis. The breech mechanism is horizontal sliding which automatically opens to the right with a self-sealing metal obturating ring. The buffer is a hydraulic cylinder with a hydro-pneumatic recuperator, and the recoil length is variable from 850 to 1,100 mm. Two pneumatic equilibrators balance the barrel, weapon elevation and traverse are all hydraulic and computer controlled. The gun's aiming gears, load assist systems and spades are operated by a hydraulic power pack. With a 155 mm/52 barrel, a 41 km (25 mi) maximum range can be achieved, using Extended Range Full-Bore - Base Bleed (ERFB-BB) projectile, 30 km (19 mi) firing the NATO L15 High Explosive (HE) projectile and 24.5 km (15.2 mi) firing the older M107 HE projectile.^[source]ATMOS 2000 · Overview; only the objects and conditions stated in this passage ATMOS carries a total of 27 155 mm projectiles and associated charges and can be operated by a 4-man crew, consisting of two loaders positioned on either side at the rear. The system provides a rate of fire of between 4 and 9 rds/min.^[source]ATMOS 2000 · Overview; only the objects and conditions stated in this passage Late in 2001, Soltam Systems released details of the latest version of its ATMOS whose existence was first revealed late in 1999. At that time, it was also referred to as the 155 mm Self-Propelled Wheeled Gun (SPWG). The ATMOS was developed as a private venture and is aimed mainly for export markets, although it has already been demonstrated to the Israel Defense Forces ( IDF ). Wheeled self-propelled guns are usually cheaper to procure than their more common tracked counterparts, have lower life cycle costs and are easier to operate and maintain. In addition, they also have greater strategic mobility and do not rely on Heavy Equipment Transporters (HETs). By late 2001, the system fired over 1,000 rounds, during extensive trials in Israel.^[source]ATMOS 2000 · Development; only the objects and conditions stated in this passage ATROM – Romanian version that uses the same Soltam M-17 155 mm gun on a locally developed ROMAN 26.360 DFAEG 6x6 truck chassis. The system never entered production and the project was put on hold after three prototypes were built.^[source]ATMOS 2000 · Variants; only the objects and conditions stated in this passage ATMOS is one of the favourites to win The Bulgarian Ministry of Defence's contract for new 155 mm Self-propelled howitzer .^[source]ATMOS 2000 · Operators / Potential operators; only the objects and conditions stated in this passage The Polish Land Forces planned but never ordered the AHS Kryl 155mm Howitzer, a domestically made version of the ATMOS^[source]ATMOS 2000 · Operators / Evaluation only; only the objects and conditions stated in this passage	—

Source measurement

ATMOS is fitted with a 155 mm /52 calibre ordnance which conforms to NATO Joint Ballistic Memorandum of Understanding (JBMoU), and is mounted on a 6 × 6 cross-country truck chassis. The breech mechanism is horizontal sliding which automatically opens to the right with a self-sealing metal obturating ring. The buffer is a hydraulic cylinder with a hydro-pneumatic recuperator, and the recoil length is variable from 850 to 1,100 mm. Two pneumatic equilibrators balance the barrel, weapon elevation and traverse are all hydraulic and computer controlled. The gun's aiming gears, load assist systems and spades are operated by a hydraulic power pack. With a 155 mm/52 barrel, a 41 km (25 mi) maximum range can be achieved, using Extended Range Full-Bore - Base Bleed (ERFB-BB) projectile, 30 km (19 mi) firing the NATO L15 High Explosive (HE) projectile and 24.5 km (15.2 mi) firing the older M107 HE projectile.^[source]ATMOS 2000 · Overview; only the objects and conditions stated in this passage

ATMOS carries a total of 27 155 mm projectiles and associated charges and can be operated by a 4-man crew, consisting of two loaders positioned on either side at the rear. The system provides a rate of fire of between 4 and 9 rds/min.^[source]ATMOS 2000 · Overview; only the objects and conditions stated in this passage

Late in 2001, Soltam Systems released details of the latest version of its ATMOS whose existence was first revealed late in 1999. At that time, it was also referred to as the 155 mm Self-Propelled Wheeled Gun (SPWG). The ATMOS was developed as a private venture and is aimed mainly for export markets, although it has already been demonstrated to the Israel Defense Forces ( IDF ). Wheeled self-propelled guns are usually cheaper to procure than their more common tracked counterparts, have lower life cycle costs and are easier to operate and maintain. In addition, they also have greater strategic mobility and do not rely on Heavy Equipment Transporters (HETs). By late 2001, the system fired over 1,000 rounds, during extensive trials in Israel.^[source]ATMOS 2000 · Development; only the objects and conditions stated in this passage

ATROM – Romanian version that uses the same Soltam M-17 155 mm gun on a locally developed ROMAN 26.360 DFAEG 6x6 truck chassis. The system never entered production and the project was put on hold after three prototypes were built.^[source]ATMOS 2000 · Variants; only the objects and conditions stated in this passage

ATMOS is one of the favourites to win The Bulgarian Ministry of Defence's contract for new 155 mm Self-propelled howitzer .^[source]ATMOS 2000 · Operators / Potential operators; only the objects and conditions stated in this passage

The Polish Land Forces planned but never ordered the AHS Kryl 155mm Howitzer, a domestically made version of the ATMOS^[source]ATMOS 2000 · Operators / Evaluation only; only the objects and conditions stated in this passage

—

Country of origin	Israel^[source]Inventory Origin column; table 10, row 13, cell 3; revision 1375121504; retrieved 2026-10-01	—

Designed	—	1946–1950^[source]

Produced	—	1951–1971^[source]

Shell	—	130 x 845 mm R (R/184.6mm) separate-loading charge and projectile^[source]

Breech	—	Horizontal sliding-wedge^[source]

Recoil	—	hydro-pneumatic^[source]

Carriage	—	Split-trail^[source]

Elevation	—	−2.5° to 45°^[source]

Traverse	—	50°^[source]

Reported operators	—	Reported operator · Algeria Reported operator · Angola Reported operator · Azerbaijan Reported operator · Bangladesh Reported operator · Cambodia Reported operator · Cameroon Reported operator · China Reported operator · Congo-Brazzaville Reported operator · Congo-Kinshasa Reported operator · Cuba Reported operator · Egypt Reported operator · Eritrea Reported operator · Ethiopia Reported operator · Guinea Reported operator · Guyana Reported operator · India Reported operator · Iran Reported operator · Iraq Reported operator · Popular Mobilization Forces Reported operator · Kurdistan Region Reported operator · Laos Reported operator · Lebanon Reported operator · Hezbollah Reported operator · Mongolia Reported operator · Morocco Reported operator · Mozambique Reported operator · Myanmar Reported operator · Nigeria Reported operator · North Korea Reported operator · Oman Reported operator · Pakistan Reported operator · Peru Reported operator · Russia Reported operator · Serbia Reported operator · South Sudan Reported operator · Sri Lanka Reported operator · Sudan Reported operator · Syria Reported operator · Tanzania Reported operator · Turkmenistan Reported operator · Uganda Reported operator · Ukraine Reported operator · United Arab Emirates Reported operator · Vietnam Reported operator · Zambia