| Gearbox parameters |
| Gearbox model: |
DT1425 DD |
DT1425 OD |
DT1422 OD |
| Gearbox brand: |
Dongfeng |
| Gearbox series: |
DT 14 Speed Series |
| Number of gears: |
14 |
| Shift form: |
Manual |
| Features: |
High reliability, 1 million kilometers life mileage; lightweight design, economical and fuel-efficient; comfortable operation, multiple protection devices, safe and reliable driving; facing complex working conditions, diversified configuration, standard cooler, optional retarder, emergency Steering Pump. |
| Forward gear: |
14 |
| Number of reverse gears: |
2 |
| Shifting method: |
Manual |
| Head gear ratio: |
16.41 |
13.16 |
13.702 |
| 2 gear transmission ratio: |
13.16 |
10.54 |
11.056 |
| 3 gear transmission ratio: |
11.13 |
8.92 |
8.924 |
| 4th gear transmission ratio: |
8.92 |
7.15 |
7.201 |
| 5th gear transmission ratio: |
7.16 |
5.74 |
5.832 |
| 6-speed transmission ratio: |
5.74 |
4.6 |
4.706 |
| 7-speed transmission ratio: |
4.68 |
3.75 |
3.75 |
| 8-speed transmission ratio: |
3.75 |
3 |
3.026 |
| 9-speed transmission ratio: |
2.97 |
2.38 |
2.38 |
| 10 gear transmission ratio: |
2.38 |
1.91 |
1.92 |
| 11-speed transmission ratio: |
1.91 |
1.53 |
1.555 |
| 12-speed transmission ratio: |
1.53 |
1.23 |
1.255 |
| 13 gear transmission ratio: |
1.25 |
1 |
1 |
| 14-speed transmission ratio: |
1 |
0.8 |
0.807 |
| Reverse 1 transmission ratio: |
15.06 |
12.09 |
13.341 |
| Reverse gear 2 transmission ratio: |
12.09 |
9.69 |
10.765 |
| Gearbox weight: |
345kg |
| Transmission oil capacity: |
14.5L |
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