SHAFT 9D1972 - Caterpillar

Table 1
Qty Part Number Description
1 481-3911 Power Train Software Gp Improvements
The improvements in the 481-3911 Power Train Software Gp are listed below:
Enhanced Auto Shift (EAS) Speed ranges 2.5 and 2.7 is available in nine speed range - Auto Shift. Refer to the above reference.
Automated directional shift braking to activate the brakes during directional shifts at high initial speed to improve the clutch life.
Automated brake touch-up pressure calibration. A brake touch-up pressure calibration is required for proper directional shift braking function.Note: Cat® Electronic Technician (Cat ET) release of 2015A or later is needed for the brake touch-up pressure calibration.
Added custom bi-directional feature to the fifth position of the bi-directional dial.Note: Display with 472-3754 Monitor Software Gp is needed to enable the custom bi-directional feature.
Updated core software to provide backwards compatibility with new ECM hardware.
Added a sinking driver to support a seat belt beacon. Beacon will follow the indicator in the display.
Added transmission output speed Event to indicate a level 3 warning when transmission output speed is higher than the set limit.
Updated stall test in Cat ET to display stall value at the end of the test.The new power train software is adaptable to and effective with the serial numbers that are listed in Table ***#i06898025/i06666253.3***.
Table 2
481-3911 Power Train Software Gp
Sales Model Adaptable serial Numbers Effective Serial Numbers
D6T S/N:KMR1-522 S/N:KMR523-UP
D6T S/N:TMY1-334 S/N:TMY335-UP
D6T S/N:HTZ1-556 S/N:HTZ557-UP
D6T S/N:WES1-382 S/N:WES383-UP
D6T S/N:WRN1-535 S/N:WRN536-UP
D6T S/N:RAD1-892 S/N:RAD893-UP