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AT-L


АТ-Л


Overview


AT-LM

Privately owned AT-LM prime mover seen in the field at the War and Peace Show 2010.
Source: Alf van Beem - © Public domain

Origin
Soviet Union
Type
Prime mover
Entered service
1952
Status
Obsolete
Development
1947 (design)
1947 - 1948 (testing 3 protoypes)
1949 (Soviet state trials)
Developer
Soviet Union - KhTZ
Production
1950 - 1967
Producer
Soviet Union - KhTZ
Number produced
Produced in large quantities
Designations
АТ-Л / Артиллерийский Тягач - Лёгкий
Russian for "artillery tractor - light"
ATL-5A
Notable users
Soviet Union
Vietnam

Variants


AT-L

Original production model. Produced from 1947 for trials purposes and briefly in the early 1950's in series. The early model had six smaller roadwheels with three track return rollers.

AT-LM

Main production model that was introduced in the mid 1950's Fitted with five large spoke roadwheels and lacking track return rollers. Since 1962 two additional fuel tanks were installed for an increased autonomous range. This version may be called AT-LA. Possibly AT-LA refers to the 5 roadwheel upgrade and AT-LM is the updated production variant.

Details


Facts AT-LM
General
Origin
Soviet Union
Type
Prime mover
Crew
1 driver + 2 passengers
Dimensions
Weight
8.525 kg
Length
5.313 m
Width
2.21 m
Height
2.18 m to cabin roof
Chassis
Chassis type
Tracked chassis, 5 roadhweels
Layout
Drive sprocket front, idler rear
Ground pressure
0.46 kg/cm² with payload
Suspension
Torsion bar
Tread
1.9 m
Track width
0.30 m
Length on ground
2.77 m
Automotive
Engine model
YaAZ-204K
Engine type
4-cylinder water-cooled diesel
Power output
135 hp at 2.000 rpm
Torque
500 Nm at 1.300 rpm
Transmission
Manual, 5-speed gearbox
Fuel
2x 130 L (original design)
2x 130 L + 2x 100 L (since 1962)
Mobility
Speed
42 km/h
Range
300 km on road with trailer
500 km with additional fuel tanks since 1962
Power to weight ratio
15.8 hp/t empty
12.8 hp/t with 2 t payload
8.2 hp/t with 2 t payload and 6 t trailer
Turn radius
Pivot in place
Obstacle crossing
Ground clearance
0.35 m
Gradient
35 degrees without trailer
Fording
1 m
Protection
Armor type
None, softskin vehicle
NBC system
No
Smoke system
No
Cargo capacity
Payload
2 t
Towed load
6 t
Passengers
2 in cabin, 8 in rear flatbed

Media


Application


The list on the right hand side lists the types of towed weapon systems for which the AT-LM was often employed.

The AT-LM was often employed instead of regular tactical trucks in Siberian or marchland areas of the Soviet Union. Soviet oriented states in Asia and the Middle East often received the AT-LM due to the difficult terrain.

List of systems towed by the AT-LM

Soviet breech-loaded 160mm heavy mortar.
Soviet breech-loaded 240mm heavy mortar
Soviet 122mm towed howitzer.
Soviet long range 122mm towed howitzer.
Soviet 152mm towed howitzer.
Soviet 57mm anti-aircraft gun.
Soviet 85mm anti-aircraft gun.

Related articles


AT-S

The AT-L entered series production in the same year as the AT-S, which is the medium counterpart to the lighter AT-L.