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M-50



Overview


M-50

M-50 self-propelled howitzer with 155mm L/28 ordnance in travel position.
Source: Bukvoed - © GNU Attribution - Share Alike license

Origin
Israel
Type
Self-propelled howitzer
Entered service
Mid 1960's
Status
Obsolete
Development
Late 1950's
Developer
Israel
Production
1963 - ?
Producer
Israel
Number produced
About 120
Notable users
Israel

Description


Introduction

The M-50 is an early Cold War era self-propelled howitzer of Israeli origin. It was developed in Israel, possibly using French assistance. The M-50 provides self-propelled artillery support, a capability that the Israeli army lacked at the time. The M-50 is based on the chassis of the US World War 2 era Sherman tank.

Design

The M-50 is based on the long hull M4A4 Sherman tank chassis. The chassis was substantially modified by moving the engine towards the front right side of the vehicle. The A low open roof superstructure is mounted at the rear with the ordnance of the French Modèle 50 155mm towed howitzer. Over time existing vehicles were upgraded with HVSS suspension and a new diesel engine.

Firepower

The M-50 uses the 155mm 30-caliber ordnance of the Modèle 50 towed gun. The maximum range is 17.6 km. The maximum rate of fire is about 5 rpm. A total of 60 round are carried. Usually a .30 M1919A4 machine gun is pintle mounted for self-defense.

Protection

The crew is not protected from all sides by armor since the top and rear of the vehicle are open. The armor itself provides protection from small arms fire and shell splinters. There are no NBC system, smoke grenade dischargers or fire extinguishing system.

Mobility

The Sherman chassis with HVSS suspension and new diesel engine provides an all terrain mobility. The drawbacks of the Sherman chassis are limited speed and range. A Cummins 460 hp diesel engine replaced the older Chrysler A47 30-cylinder gasoline engine.

Users

The M-50 was adopted by the Israelis in the early 1960's and has been used in various conflicts. Since the 1970's it was supplemented by the L-33 which was also based on the Sherman chassis. By the end of the 1970's it was relegated to the reserve role. No M-50 have ever been exported.

Details


Facts M-50
General
Origin
Israel
Type
Self-propelled howitzer
Crew
8 (commander, driver, gunner, 5 loaders)
Dimensions
Weight
31 t combat load
Length
6.1 m
Width
2.98 m
Height
2.8 m (superstructure, without tarpaulin cover)
Main armament
Type
155mm Modèle 50 28-caliber howitzer
Ammunition
47 shells, but possibly up to 60 shells
Elevation
Manual
Traverse
Forward arc, manual
Rate of fire
5 rpm maximum
2 rpm sustained
Range
17.6 km
Stabilizer
No
Secondary armament
Type
.30 M1919A4 machine gun
Mount
Flexible mount
Ammunition
About 1.000 rounds
Traverse
Manual traverse and elevation
Chassis
Chassis type
Tracked chassis, 6 roadwheels
Layout
Drive sprocket front, idler rear
Suspension
VVSS (before refit)
HVSS (after refit
Automotive
Engine model
Cummins VT 8-460-Bi
Engine type
Diesel
Power output
460 hp at 2.600 rpm
Transmission
Manual, 5 forward, 1 reverse
Fuel
820 L
Mobility
Speed
45 km/h on road
Range
300 km on road
Turn radius
9.5 m
Power to weight ratio
14.8 hp/t
Obstacle crossing
Ground clearance
0.4 m
Wall
0.9 m
Trench
2.3 m
Gradient
60 %
Slope
30 %
Fording
1 m
Protection
Armor type
Steel, open roof
NBC system
None
Smoke system
None
Equipment
Night vision
Yes, driver only

Media


Related articles


L-33 Ro'em

The L-33 is another Israel self-propelled howitzer that uses the M4 Sherman main battle tank chassis.

Browning M1919

For self-defense a .30 caliber M1919A4 machine gun is fitted on a pintle mount.