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Sisu Nasu


Sisu Nasu

Type All-terrain transport vehicle
Place of origin Finland
Weight 5,250 kg (11,574 lb)
Length 7.67 m (302 in)
Width 1.91 m (75 in)
Height 2.38 m (94 in)
Crew 1 (+16 passengers)

Armor Kevlar lining
12.7 mm NSV machine gun
Engine GM 6,2 l Heavy Duty V-8 diesel engine
113 kW (154 PS; 152 hp) 346 N·m (255 lb·ft)
Power/weight 21.5 kW/tonne
Suspension tracked and all four tracks are powered
280 km (170 mi)[1]
Speed 65 km/h (40 mph), swim 6 km/h (4 mph)

The Nasu (acronym for Nauha-Sisu English: Track Sisu, also meaning "Piglet" in Finnish) is a tracked articulated, all-terrain transport vehicle developed by Sisu Auto for the Finnish Army. It consists of two units, with all four tracks powered. It can carry up to 17 people, although the trailer unit can be adapted for different applications (see Variants section). There are two main versions, the NA-140 BT and the NA-110.

The Nasu was tested in 1985, and the next year 11 pre-production units were ordered. Since then, more than five hundred have been manufactured to equip the armies of China, Turkey and Finland.

Although it looks externally like the Bandvagn 206, which also is in Finnish Army use, it is an entirely new design, and almost 1 meter longer and 1,000 kg (2,205 lb) heavier. It has better payload-carrying capability than the Bv 206. The Nasu is designed to carry troops and equipment through snow and bog-lands in northern Finland. For this, it is equipped with four wide (62 cm) powered rubber tracks. The low ground pressure enables the Nasu to cope with a wide range of difficult conditions. It is also fully amphibious, with a speed in water of up to 6 km/h (4 mph) when driven by its tracks.

The total load capacity is 1,950 kg (4,299 lb) and a trailer with a weight of up to 2,500 kg (5,512 lb) can also be towed behind the second compartment.

More than 500 vehicles of this type have been manufactured and it is used as a personnel carrier and a weapons platform (for BGM-71 TOW anti-tank guided missiles, 120 mm mortars). In basic infantry versions, a roof-mounted 12.7 mm NSV anti-aircraft machine gun is used for close-range antiaircraft protection. There are also command, signals and ambulance variants of the vehicle.


  • Variants 1
  • Operators 2
    • Military 2.1
    • Civil 2.2
  • See also 3
  • References 4


NA-140 BT
Manufactured between 1986 and 1991. Powered by a Rover 3,5 (3,9) V-8 gasoline engine (142 kW/280 Nm). Weight: 4,850 kg (10,692 lb), payload: 1,950 kg (4,299 lb), length: 7.55 m, width: 1.91 m (75 in), height: 2.30 m (91 in), complement: 5 (including driver) in frontal unit and up to 12 in tail unit.
Manufactured between 1992 and 1994. Powered by a GM 6,2 l Heavy Duty V-8 diesel engine (113 kW/346 Nm). Weight: 5,250 kg (11,574 lb), payload: 1,950 kg (4,299 lb), length: 7.67 m, width: 1.91 m (75 in), height: 2.38 m (94 in), complement: 5 (including driver) in frontal unit and up to 12 in tail unit.
A signal station version.[2]
NA-120 GT
NA-120 GT KV1
Armoured variant used in UN-operations.
A version that carries a 120 mm mortar 120 KRH 92 and 14 rounds on its tail unit. Called Krh-TeKa in Finnish Army service. [3]

It steers by the use of a hydraulic ram mounted on the point of articulation. The ram is operated by a steering wheel in the same way as driving a regular car. It is the only type of tracked vehicle that can be driven on (UK) public roads without a category H track license as it does not need the use of steering levers as in a regular tank.



Finnish Army. The Kainuu Brigade and the Jaeger Brigade employs the vehicle as their main transport vehicle. Further, most of the other brigades have a few vehicles each. In past North Karelia Brigade employed Nasu as their main transport but has now changed most of them to Sisu A2045 4x4 trucks introduced in 2008.
French Army (27th Alpine Brigade).
Indian Army
Mexican Army Operated by the Mountain Brigade


 People's Republic of China
Woodlands Ministry (30 vehicles).[4]
  • Two Nasus are used at the Finnish Antarctic research station Aboa.[5]
  • Several Fire Departments in Finland are using the vehicle.[6]
Police forces (47 vehicles).[4][7]

See also

Similar vehicles with the Sisu Nasu ATV include:


  1. ^ The Finnish Defence Forces: Presentation of equipment
  2. ^ Finnish Defence Forces material presentation
  3. ^ Finnish Defence Forces material presentation
  4. ^ a b Valtiopäivät 1993, Kirjallinen kysymys 633
  5. ^ COMNAP Aboa Research Station
  6. ^ Kanta-Hämeen Pelastuslaitos
  7. ^ Suomen Sillan Uutisviikko 46/96
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