SHANGHAI Donly Reducer CO., LTD.
China Gearbox Manufacturer, Speed Reducer,Stepless Variator

UD Series Stepless Variator UDL B3
UD Series Stepless Variator UDL B5
UD Series Stepless Variator UDL CB3
UD Series Stepless Variator UDL CB5
UD Series Planet Cone Disk 
| Type | Assembly dimensions | Output shaft | Input shaft | Outline dimensions | ||||||||||||||||||
| h | A0 | A1 | B0 | B1 | Z | S | d(k6) | b | G | E | d1(k6) | b1 | g | e | A | B | I | W | H | L0 | L | |
| UD0.18 | 66 | 85 | 2 | 80 | 50 | 10 | 9 | 11 | 4 | 12.5 | 30 | 105 | 109 | 74 | 95 | 170 | 312 | |||||
| UD0.25 | 70 | 94 | 48 | 106 | 70 | 10 | 9 | 14 | 5 | 16 | 30 | 14 | 5 | 16 | 30 | 120 | 136 | 94 | 105 | 185 | 208 | 346 |
| UD0.37 | 75 | 94 | 48 | 110 | 75 | 10 | 9 | 14 | 5 | 16 | 30 | 14 | 5 | 16 | 30 | 120 | 145 | 94 | 105 | 195 | 208 | 346 |
| UD0.55 | 90 | 105 | 72 | 130 | 90 | 15 | 11 | 19 | 6 | 21.5 | 40 | 19 | 6 | 21.5 | 40 | 135 | 170 | 121 | 110 | 230 | 240 | 400 |
| UD0.75 | 90 | 105 | 72 | 130 | 90 | 15 | 11 | 19 | 6 | 21.5 | 40 | 19 | 6 | 21.5 | 40 | 135 | 170 | 121 | 110 | 230 | 240 | 400 |
| UD1.1 | 106 | 125 | 82 | 160 | 104 | 15 | 13 | 24 | 8 | 27 | 40 | 22 | 6 | 24.5 | 40 | 150 | 200 | 141 | 135 | 250 | 270 | 455 |
| UD1.5 | 125 | 140 | 95 | 180 | 130 | 18 | 13 | 24 | 8 | 27 | 50 | 22 | 6 | 24.5 | 50 | 170 | 230 | 154 | 135 | 290 | 305 | 500 |
| UD2.2 | 150 | 230 | 25 | 245 | 190 | 25 | 14 | 30 | 8 | 33 | 60 | 24 | 8 | 27 | 50 | 270 | 300 | 191 | 166 | 350 | 387 | 588 |
| UD3 | 588 | |||||||||||||||||||||
| UD4 | 608 | |||||||||||||||||||||
| UD5.5 | 200 | 250 | 33 | 315 | 225 | 30 | 18 | 35 | 10 | 38 | 70 | 32 | 10 | 35 | 60 | 290 | 365 | 201 | 194 | 447 | 428 | 714 |
| UD7.5 | 754 | |||||||||||||||||||||
| Type | Assembly type | Output shaft | Outline dimensions | ||||||||||||
| D1 | D2(g6) | Z | R | S | d(k6) | b | G | E | D | B | I | W | H | L | |
| UD0.18 | 75 | 60 | 3 | M5 | 11 | 4 | 12.5 | 30 | 90 | 109 | 74 | 95 | 156 | 312 | |
| UD0.25 | 115 | 95 | 10 | 3 | 9 | 14 | 5 | 16 | 30 | 140 | 136 | 94 | 105 | 183 | 346 |
| UD0.37 | 115 | 95 | 10 | 3 | 9 | 14 | 5 | 16 | 30 | 140 | 145 | 94 | 105 | 188 | 346 |
| UD0.55 | 165 | 130 | 13 | 3.5 | 11 | 19 | 6 | 21.5 | 40 | 200 | 170 | 121 | 110 | 225 | 400 |
| UD0.75 | 165 | 130 | 13 | 3.5 | 11 | 19 | 6 | 21.5 | 40 | 200 | 170 | 121 | 110 | 225 | 400 |
| UD1.1 | 165 | 130 | 13 | 3.5 | 11 | 24 | 8 | 27 | 40 | 200 | 200 | 141 | 135 | 240 | 455 |
| UD1.5 | 165 | 130 | 13 | 3.5 | 11 | 24 | 8 | 27 | 50 | 200 | 230 | 154 | 135 | 285 | 500 |
| UD2.2 | 215 | 180 | 16 | 4 | 15 | 28 | 8 | 33 | 60 | 250 | 300 | 191 | 166 | 350 | 588 |
| UD3 | 215 | 180 | 16 | 4 | 15 | 28 | 8 | 33 | 60 | 250 | 300 | 191 | 166 | 350 | 608 |
| UD4 | 215 | 180 | 16 | 4 | 15 | 28 | 8 | 33 | 60 | 250 | 300 | 191 | 166 | 350 | 608 |
| UD5.5 | 265 | 230 | 20 | 5 | 19 | 38 | 10 | 38 | 70 | 300 | 365 | 201 | 194 | 474 | 714 |
| UD7.5 | 265 | 230 | 20 | 5 | 19 | 38 | 10 | 38 | 70 | 300 | 365 | 201 | 194 | 474 | 754 |