1982

January

Received guidance and technical assistance from KUREHA Motors (Now known as Mitsubishi Bus Manufacturer), a subsidiary of Mitsubishi Motor Corporation, to improve factory layout and carrosserie manufacturing technique.

1986

September

Established the Mitsubishi Fuso Bus BL 117 Chassis Assembly Plant.

1987

May

Merging of ex Prabu Jaya Indah carrosserie factory with PT. Trijaya Union.

1991

April

PT. Krama Yudha Tiga Berlian Motors (KTB) invested shares in PT. Trijaya Union.

2000

August

Appointed by PT. Krama Yudha Tiga Berlian Motors to assemble Mitsubishi Colt Diesel FE 446 F Bus Chassis.

2005

January

Appointed by PT. Krama Yudha Tiga Berlian Motors to assemble Mitsubishi Colt Diesel FE 334 and FE 347 Bus Chassis.

2007

January

Appointed by PT. Krama Yudha Tiga Berlian Motors to assemble Mitsubishi Colt Diesel FE 83 BC and FE 84 BC Bus Chassis.

2010

Juni

Appointed by PT. Krama Yudha Tiga Berlian Motors to produce bus chassis components and spare parts.

2012

August

PT. Krama Yudha Tiga Berlian Motors assisted PT. Trijaya Union in setting up a new production line and moved Mitsubishi SLL 300 Diesel Starwagon production from PT KBU to PT. Trijaya Union.

2017

October

Restructuring related to product line-up, namely the minibus, medium bus and big bus variants, and the layout of the carrosserie manufacturing plant facilities. Restructuring of human resources and recruiting experts in the carrosserie industry.

2019

January

Launching of the new bus variant called “Dehanda”.

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