TGM3 was introduced in 1959. Few improvements concerning transmision was applied to TGM3 and the modified versions were named TGM3A and TGM3B. The production of the shunter, including all models lasted until 1977. During this time 3539 units were built in total.
Diesel engine power: 551 kW, 750hp;
Operational speed: 37 mph;
Weight – 68 t.