Tatra 815-7

Tatra 815-7
Tatra 815-7
Overview
Manufacturer	Tatra
Production	2007–2016 (1st gen); 2016-2023 (2nd gen); since 2023 (3rd gen)
Assembly	Kopřivnice, Moravia, Czech Republic
Body and chassis
Class	Heavy truck
Platform	Tatra backbone tube chassis
Related	Tatra 158 Phoenix
Powertrain
Engine	Air-cooled:; Turbo-diesel Tatra T3 V8 engines, up to 340 kW (460 hp); Turbo-diesel Tatra V12 engines, up to 440 kW (590 hp) Liquid cooled:; Cummins engines, up to 447 kW (599 hp)
Dimensions
Wheelbase	1,450 mm (57.1 in); 1,950 mm (76.8 in); 2,860 mm (112.6 in)
Length	9,470 mm (372.8 in)
Width	2,550 mm (100.4 in)
Height	2,730 mm (107.5 in)
Curb weight	13,300 kg (29,300 lb)
Chronology
Predecessor	Tatra 815

The Tatra 815-7 (also known as Tatra 817, T817 or Tatra Force) is a heavy army logistics vehicle made by the Czech company Tatra produced since 2007. T817 is primarily intended for military operators and for specialist roles in civilian sector (with Tatra 158 Phoenix being the company's primary general-purpose truck for civilian sector). The truck is made primarily with axle variations of 4×4, 6×6, 8×8 and 10×10. Other chassis variants up to 16x16 are also available.

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First generation (2007 - 2016)

In 2004, Tatra introduced a prototype of the new 817 line of trucks after presenting a 4x4 NATO C-130 Hercules transportable military truck. The prototype was based on Tatra's traditional backbone chassis, with a water cooled Cummins engine and a ZF transmission.^[2] Even though the truck was being developed as an entirely new line, the company decided to formally introduce it to the market under the 815-7 designation as a new version of the Tatra 815, in order to undergo a simplified homologation process.

The Tatra 817 entered serial production in 2007. This serial version offered a large extent of modularity for chassis components, engines (air-cooled Tatra or water-cooled Cummins), transmissions (manual, semi-automatic, automatic), and a cabin that allows the simple addition of armor components in line with the STANAG 4569 standard. Cab tightness allowed for the use of overpressure filtering.

While originally intended for military operators, the truck has been offered to civilian customers since 2010, particularly for specialist purposes such as firefighting.^[2]

Second generation (2016 - 2023)

The second generation T817 was introduced in 2016. Its cabin was modernized and a four-door long cab version was introduced. The chassis was modernized and unified with the Tatra 158 Phoenix. Apart from a standard cab, the truck was now offered with a high level of protection of armored cabs produced by sister company Tatra Defence Vehicles.^[3]

Third generation (since 2023)

In May 2023, at the PYROS expo, the third generation T817 was introduced when two fire trucks were presented to the public.^[3] This new version offers a modernized cabin coupled with a modified position of the engine.^[3] The new four-door cabin offers enough space for up to eight crewmen in three rows.^[3]

Tatra air-cooled V8 engines were also modernized, offering up to 340kW of power output. With the third generation, Tatra re-introduced its previously discontinued air-cooled V12 engine, offering up to 440 kW of power output. The third generation continues to be available with a line of water-cooled Cummins engines. At the time of introduction, a hydrogen powered version was under development.^[3]

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Tatra 817 standard trucks serve in the Army of the Czech Republic and the Slovak Armed Forces, while 817 chassis with specialist superstructures (e.g., artillery cannon, rocket launcher, armored recovery vehicle, etc.) serve also in many other countries. It is also used in the civilian sector, especially in applications that particularly benefit from the truck's lower center of gravity, such as mobile cranes and fire trucks.^[4]

8x8 bridge layer
8x8 army truck with armored cab
8x8 Neptune anti-ship system (Ukraine)
8x8 Bureviy rocket system

6×6 mobile crane
8x8 protected cab fire truck (Czech Republic)
8×8 fire truck with ladder extension (Russia)
4x4 fire truck (Australia)

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Motor: air cooled, turbocharged Tatra T3C-928-90 V8^[5]
Displacement: 12,667 cc
Max. power: 300 kW (402 hp) @ 1800 rpm
Max. torque: 2,100 N⋅m (1,500 ft⋅lbf) @ 1000 rpm
Top speed: 115 km/h
Fuel tank capacity: 420 l
Cruising range: 750 km
Angle of approach/departure: 45°/42°
Fording depth: 1.5 m

The T817 uses a traditional Tatra backbone tube chassis instead of the more typical truck ladder frame. The chassis is designed primarily for off-road applications, which gives it a comparative advantage over trucks primarily intended for roads that were modified for offroad use.^[6]

As such, Tatra Czech manufactured the T817 chassis to be used as the basis of other specialist vehicles made in a number of countries.

APC and MRAP vehicles

The following armoured personnel carriers and mine-resistant ambush protected vehicles use T817 chassis:

Ara made by Proforce.^[7]
Autosan, also known as Taktyczny Pojazd Wielozadaniowy 4x4, made by Huta Stalowa Wola.^[8]
Fahd 300 made by Arab Organization for Industrialization.^[9]
Vega, also known as ATLAV 1, made by SVOS, spol. s r.o. [cs]^[10]
- Husar, Vega derivative version offered to Polish army^[11]
Legion made by Isotrex Manufacturing FZE.^[12]
al-Mared made by Jordan Manufacturing and Services Solutions.^[13]
Nexter Titus, made by Nexter Systems and Tatra^[14]
Patriot made by Excalibur Army [cs]^[15]
- Waran, Patriot derivative made under license by Huta Stalowa Wola for Polish Army^[16]
al-Wahsh made by Jordan Light Vehicle Manufacturing LLC^[17]
Wildcat made by Israel Military Industries^[18]