GFT36系列(2级传动;3级传动)速比i：28;29(2级传动)GFT36W2B28-01/02/03/04GFT36W2B29-01/02/03/04/05/06/07速比i：67;79;100;117;131(3级传动)GFT36W3B67-01/02/03/04/05/06/07/08/09/10/11/12/13/14/15/16/17/18/19/20GFT36W3B79-01/02/03/04/05/06/07/08/09/10/11/12/13/14/15GFT36W3B79-16/1718/19/20/21/22/23/24/25/26/27/28/29/30GFT36W3B100-01/02/03/04/05/06/07/08/09/10GFT36W3B117-01/02/03/04/05/06/07/08/09/10/11/12/13/14/15GFT36W3B131-01/02/03/04/05/06/07/08/09/10GFT40系列(2级传动)速比i：35;36;41;48;49;59GFT40W2B35-01/02/03/04/05;GFT40W2B36-01/02/03/04/05;GFT40W2B41-01/02/03/04/05;GFT40W2B48-01/02/03/04/05/06/07/08/09/10;GFT40W2B48-01/02/03/04/05;GFT40W2B59-01/02/03/04/05/06/07/08/09/10/11/12/13/14/15/16/17/18/19/20GFT50系列(3级传动)速比i：100;146;177GFT50W3B100-01/02/03/04/05;GFT50W3B146-01/02/03/04/05;GFT50W3B177-01/02/03/04/05)