Engineering:Group T4

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An Unimog U500 built to Group T4 specifications in the 2006 Dakar Rally.

The Fédération Internationale de l'Automobile launched Group T4 in 1990 to facilitate rally trucks in rally raid competitions. The regulations are included in appendix J of the International Sporting Code.

Competition

Group T4 trucks compete in the FIA Cross Country Rally World Cup since its inception in 1993. However T4 trucks can compete, the trucks are not eligible to compete for the general classification or have a group classification. The trucks can only compete for local rally raid victories or class victories.[1] The Dakar Rally, Baja Aragón, Abu Dhabi Desert Challenge among other rally raids form the FIA Cross Country Rally World Cup. Group T4 vehicles are allowed to compete in other rally raid competitions as well, such as the Silk Way Rally.

Regulations

Trucks eligible for Group T4 homologation must comply with a fixed set of rules according to Appendix J, article 287. The truck must be a production based chassis and have conventional bodywork. The laden weight has a minimum of 3.500kg. Despite certain modifications, the engine is a stock production engine. While the Unimog U500 engine is 'only' 6374cc, the engine of most trucks exceed more than 10000cc.

Because of safety regulations, the cabs have a very strong roll cage. A diagonal bar in the rear of the roll cage is mandatory. More diagonal struts are advised.[2]

Rally raids such as the Dakar Rally and the Silk Way Rally have added rules to the standard Group T4 rules. The Silk Way Rally bases its rules on the Dakar Rally.[3] Both rallies know sub groups to Group T4:

Group T4.1
Series production truck built according to FIA Group T4 regulations.
Group T4.2
Modified truck conforming to ASO regulations and homologation.
Group T4.3
It is the rally support trucks (Trucks built according to Group T4.1 or Group T4.2 regulations and serving a "rapid assistance" role.[4]

List of Group T4 homologated vehicles

Kamaz 4326 in the 2006 Dakar Rally.
A Hino Ranger at the 2007 Tokyo Motor Show.
A Ginaf X2222 at the 2011 Dakar Rally.
A DAF CF before the start of the 2014 Dakar Rally.
No. Marque Model Type Start End
4001 Russia Kamaz 4310 10 May 1, 1992 December 31, 1999
4002 Japan Hino Ranger FT U-FT3HGA-LH May 1, 1992 December 31, 2000
4003 Czech Republic Tatra T815 PR1 6x6.1 August 1, 1992 December 31, 1999
4004 Czech Republic Tatra T815 P27 4x4.1 August 1, 1992 December 31, 1999
4005 Sweden Scania P 113 HK 4x4 August 1, 1992 December 31, 2003
4006 Italy Perlini 105F Red Tiger 105 CI/A August 1, 1992 December 31, 1994
4007 Germany Daimler-Benz Actros 1935 AK August 1, 1992 December 31, 2003
4008 Germany Daimler-Benz Unimog U1550 L37 August 1, 1992 December 31, 2003
4009 Germany Daimler-Benz Actros 1936 AK August 1, 1992 December 31, 1999
4010 Russia Ural 43223 September 1, 1992 December 31, 1999
4011 Czech Republic Tatra T815 P17 6x6.1 January 1, 1993 December 31, 2000
4012 Czech Republic Tatra T815 P28 4x4.1 January 1, 1993 December 31, 2000
4013 Germany Daimler-Benz Actros 2635 AK January 1, 1993 December 31, 2003
4014 Germany Daimler-Benz Actros 2636 AK January 1, 1993 December 31, 2004
4015 France Renault C290 4x4 January 1, 1993 December 31, 2000
4017 Czech Republic LIAZ 154 154 January 1, 1993 December 31, 2000
4018 Czech Republic LIAZ 111 154 D January 1, 1993 December 31, 2000
4019 Germany MAN 19.422 FA January 1, 1993 December 31, 2007
4020 Spain IPV 180R January 1, 1994 December 31, 2001
4021 Czech Republic Tatra T815 290R75 4x4.1 January 1, 1994 December 31, 2001
4022 Russia Kamaz 49250 January 1, 1994 December 31, 2001
4023 Russia Kamaz 49252 November 1, 1994 December 31, 2001
4024 Russia Kamaz 49251 November 1, 1994 December 31, 2001
4025 Japan Hino Ranger FT U-FT3HGA-LS January 1, 1995 December 31, 2005
4026 Czech Republic Tatra T815 290R75/01 4x4.1 January 1, 1995 December 31, 2006
4027 Italy Iveco 135 E23W/RS August 1, 1995 December 31, 2002
4028 Netherlands GINAF F2222 4x4 December 1, 1995 December 31, 2005
4029 United States AM General Hummer H1 Wagon/Truck January 1, 1996 December 31, 2004
4030 Japan Hino Ranger FT FT1JGB-LU January 1, 1996 December 31, 2006
4031 Japan Mitsubishi Fuso Super Great FR415 January 1, 1996 December 31, 2003
4032 Russia Kamaz 49255 October 1, 1996 December 31, 2003
4033 Japan Hino Ranger FT FT1JGB-LD January 1, 1997 December 31, 2007
4034 Germany Daimler-Benz Actros 1844 AK January 1, 1997 December 31, 2004
4035 Austria ÖAF 30 502 VFAEG April 1, 1997 December 31, 2004
4036 Japan Mitsubishi Fuso Super Great FR415 January 1, 1998 December 31, 2005
4037 Czech Republic Tatra T815 2ZER55 16.400 4x4.1 January 1, 1998 December 31, 2006
4038 Germany MAN SX90 DFAEG January 1, 1998 December 31, 2005
4039 Romania Roman 26.550 DFA December 1, 1998 December 31, 2009
4040 Romania Roman 16.550 DFA December 1, 1998 December 31, 2009
4041 France Renault Kerax 385 6x6 Type 33EVC2 January 1, 1999 December 31, 2016
4042 Germany MAN L2000 10.224 LAEC January 1, 1999 December 31, 2009
4043 Netherlands GINAF M2223 December 1, 2000 December 31, 2007
4044 Germany MAN M2000 18.284 LAEC May 1, 2001 December 31, 2008
4045 Italy SCAM SMT 35.3D October 1, 2001 December 31, 2008
4046 France Renault Kerax 420 33BVB4 January 1, 2002 December 31, 2013
4047 Germany MAN F2000 19.464 FAC December 1, 2001 December 31, 2008
4048 Russia Kamaz 4911 January 1, 2003 December 31, 2013
4049 Germany MAN 27.464 DFAC January 1, 2003 December 31, 2010
4050 Czech Republic Tatra T815 2ZVR45 16.400 4x4.1 January 1, 2003 December 31, 2010
4051 Czech Republic Tatra T815 2TVR45 14.1450 4x4.1 January 1, 2003 December 31, 2010
4052 Netherlands DAF FAV CF 75.530 January 1, 2003 December 31, 2010
4053 Netherlands GINAF X2222 December 1, 2003 December 31, 2010
4054 Netherlands GINAF X2223 December 1, 2003 December 31, 2010
4054 Italy Iveco MP190 E44W January 1, 2004 December 31, 2011
4055 Italy Iveco ML140 E24W January 1, 2004 December 31, 2013
4057 Japan Hino Ranger Pro FT FT1JGP January 1, 2004 December 31, 2011
4058 Germany Daimler-Benz Unimog U400 January 1, 2004 December 31, 2014
4059 Germany Daimler-Benz Unimog U500 January 1, 2004 December 31, 2014
4060 Germany MAN 18.530 FAC January 1, 2005
4061 Germany MAN 18.531 FAC January 1, 2006
4062 Czech Republic Tatra T815 2ZOR45 12 400 4x4.1 January 1, 2006
4063 Czech Republic Tatra T815 2TOR45 12 450 4x4.1 January 1, 2006
4064 Italy Iveco AT190 T44W January 1, 2006
4065 Germany MAN TGA 18.480 January 1, 2007
4066 Germany Daimler-Chrysler Axor 1833 AK 4x4 December 1, 2007
4067 Russia Kamaz 4326 January 1, 2008
4068 Germany MAN TGA 26.480 January 1, 2008

[5]

References

  1. ↑ "FIA Cross Country Rallies - Sporting Regulations - 2017". http://www.fia.com/file/53779/download/9254?token=8Wo7qnxu. 
  2. ↑ "Appendix J 2017 - Article 287 - Cross Country Truck Technical Regulations". http://www.fia.com/file/51650/download/12816?token=tM0eCoMq. 
  3. ↑ "Silk Way Rally 2017 Car / Truck Regulations". http://www.silkwayrally.com/upload/medialibrary/131/1316ba8bbe8f51ef1fdc47fd7933e0f4.pdf. 
  4. ↑ "Dakar 2018 - Car - SxS - Truck Regulations". http://netstorage.lequipe.fr/ASO/dakar/2018/reglements/REG_AC_DK18_CLEAN_FINAL_FR_SP_2018_EN.pdf. 
  5. ↑ "Group T4 Homolgated vehicles". http://historicdb.fia.com/cars/list/field_group/t4-3267. 




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