lowering in sales and demand. 1 – 1.5 tonner Y20 – 40 Series (1979–1985) The new smaller ToyoAce with Y20 chassis was launched in 1979, while the Dyna was still using the U-platform. This was the fourth-generation ToyoAce in Japan. In certain export markets, the ToyoAce was sold as Dyna, and offered in single and double cabin bodystyles. Dyna Rino Y30 & Y40 Series (1984–2002) In 1984, Toyota introduced the Dyna Rino in Indonesia. The light single rear wheel version was built on Y30 platform, and the twin rear wheel version was coded Y40. Early models have round headlights and 3.4-liter 3B and 13B engines. The facelift models with rectangular headlights, BU are powered by 3.7-liter 14B engines. The Indonesian market Dyna Rino remained in production until 2002. Daihatsu Delta This model was also sold as the Daihatsu Delta, in a range of 1.5 to 2.5 tonne payloads. The engines are Daihatsu's own 2.0-liter petrol and 2.5-liter diesel units. The second generation Delta went on sale in Australia at the end of December 1977. U60-U90 Series(1984-1994)/ Y50-Y60 Series (1985-1995) 2 – 3.5 tonner U60 – 90 Series (1984–1994) The first BU-series (Dyna 200/300/400, 1984–88) used quad round headlights. From 1989 onwards, the Dyna had quad rectangular headlights and one piece door glass with new interior door trim and other minor interior changes. All wide cab models had a centrally mounted roof vent and had 3 windscreen wipers. The 3.4-litre 3B, 3.4-litre (direct injected) 13B and 3.7-litre 14B diesel engines with direct injection were used in the Dyna 200 and Dyna 300, a 5-speed gearbox was standard while a 4-speed automatic transmission with a 2-way overdrive mode was available as an option. The Dyna 300 was equipped with an exhaust brake. Front, ventilated twin piston disc brakes were optional on the first series wide cab Dyna 300. In Portugal, the 3B-engined Dyna 250 (BU84) was assembled locally. 1 – 1.5 tonner Y50 and 60 Series (1985–1995) The lighter Y Series was introduced in May 1985. Portugal's Salvador Caetano assembled the LY60 Dyna as the 150, using Toyota's 2L engine, a diesel inline-four. U100, 200 / Y100 Series (1995–2002) The sixth generation of the Dyna was introduced on 11 May 1995. New additions to the engines included the 5.3-liter J05C directed injected diesel engine along with a four valve 4.1-liter 15B-F engine. The diesel engines were designed to comply with new vehicle