
上图来自上海通用的培训材料。(2010款科帕奇为爱信的AF33-5速变速箱,2011款升级为6T45E 6速变速箱)
型号为6T45E的变速箱是6T45变速箱的升级版产品,解决了最早一批车型出现的顿挫感明显的现象。(来自别克官方介绍)
6T45变速箱的参数
2010 Hydra-Matic 6T45 (MH7) |
|
Type: | Six speed front-wheel-drive, electronically controlled, automatic overdrive transaxle with an electronically controlled torque converter clutch. |
Maximum Engine power ( hp/kW ) | 215 hp ( 160 kW ) |
Maximum engine torque: | 232 lb-ft (315 Nm) |
Maximum gearbox torque: | 314 lb-ft (425 Nm) - All gears |
Gear ratios: | MH7 |
First | 4.58 |
Second | 2.96 |
Third: | 1.91 |
Fourth: | 1.45 |
Fifth | 1 |
Sixth | 0.75 |
Reverse: | -2.94 |
Final Drive Ratio: | 2.89 |
Maximum input speed: | Rev 7000 rpm |
1-2 7000 rpm | |
2-3 7000 rpm | |
3-4 7000 rpm | |
4-5 7000 rpm | |
5-6 7000 rpm | |
Maximum validated gross vehicle weight: | 2200 kg (4850 lbs) |
Shifter Posistions: | P, R, N, D, M |
Case material: | die cast aluminum |
Shift pattern: | Variable Bleed Solenoids |
Shift quality: | Variable Bleed Solenoids |
Torque converter clutch: | Variable Bleed Solenoid |
Converter size: | 236mm (reference) (diameter of torque converter turbine) |
Fluid type: | DEXRON® VI |
Transmission weight: | wet: 84 kg (184.8 lb) |
Fluid capacity (approximate): | 8.12L (6.86 kg) |
Bottom pan removal: | NA |
Pressure taps available: | Line Pressure |
Transfer design: | Three-axis design, Output Chain |
Assembly sites: | GMDAT, Korea; SGM, China, GMNA, SLP Mexico |
Applications (MY2010): | Chevrolet Equinox |
Buick LaCrosse | |
GMC Terrain |
结论:目前来看,这个变速箱最大能承受扭矩、发动机功率都符合科帕奇的要,但是遗憾的是2200KG的载重,车重1800KG,带5个人的时候就是2200KG,而这个车是7坐的,因此,经常会达到2300-2400KG的载重,超过了这个变速箱能承载的最大重量。所以为了避免小马拉大车的情况,请各位避免超过2100KG的载重(留点空间别一直在最大承载负荷)。
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