Artillery / Towed guns / Model 56

Model 56

General Facts

  • TYPE
    Towed howitzer

  • ORIGIN
    Italy

  • NICKNAMES
    L5 Pack Howitzer (Commonwealth service)
    Modelo 56 (Italian name)

  • DESIGNED
    1955 - 1956

  • DESIGNER
    Oto Melara

  • PRODUCTION
    1957 - ?

  • PRODUCERS
    Italy - Oto Melara

  • QUANTITY
    Over 2.500 produced

  • UNIT COST
    Unknown

  • CHARACTERISTICS
    Limited size and weight
    Can be dismantled for transportation
    Uses NATO standard ammunition
    Limited range
    Not suited for continuous shelling

Introduction

The Model 56 is a pack howitzer of Italian origin. It was developed in the mid-1950's by Oto Melara for an Italian army requirement. It proved to be a successful design and demand was high for such a niche weapon that was interoperable with other 105mm NATO guns.

Layout

The Model 56 is based on a lightweight carriage with two wheels and two folding strut trails. The ordnance is the short 105mm 14-caliber howitzer with multi-slotted muzzle brake. A gun shield is fitted to provide a limited level of protection against direct fire. The profile can be reduced by lowering the wheels, thus making it less visible when used in the direct fire role.

Firepower

The Model 56 fires the same range of 105mm NATO ammunition as the widely used US M101 howitzer, making ammunition readily available. The maximum range is 10.5 km with normal ammunition. The maximum rate of fire is 8 rpm for short periods and 4 rpm for 30 minutes.

Mobility

Due to its limited weight the Model 56 is highly mobile. It can be easily manhandled over short distances. Normally it is towed by a light truck such as the German Unimog. It can be disassembled in 11 pieces for transportation by mule. Its low weight also allows it to be transported under a Bell 205 or equivalent helicopter.

Users

The Model 56 has been produced in large quantities and has been widely exported. It was adopted by many Western, African, Asian and South American nations. Many remain in service although more modern designs such as the UK Light Gun have replaced some in service.

Variants

Model 56

The Model 56 is a packhowitzer of Italian origin. It can be identified by its twin strut split trail carriage and short 105mm ordnance. There are no variants although the design has been slightly improved over the years. The original production models featured a large single baffle muzzle brake while the majority has a multislotted muzzle brake.

TypeTowed howitzer
Crew7
Ordnance105mm L/14 howitzer, 1.478 m barrel
Elevation-5 to +65° in normal position
-5 to +25° in lowered position
Traverse36° total in normal position
56° total in lowered position
Rate of fire8 rpm maximum, 4 rpm for 30 minutes, 3 rpm for 60 minutes
Range10.5 km with standard rounds
Carriage2 wheel split trail carriage, 1.14 m track
Weight1.29 t
Length3.65 m (travelling), 4.8 m (firing position)
Width1.5 m (travelling), 2.9 m (firing position)
Height1.93 m (normal), 1.55 m (lowered)
Towing vehicle4x4 light truck
Speed?
RemarksGun shield, normal axis of bore 1.07 m and 0.69 m when lowered

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