New Engine Software Is Used For Certain D11 Track-Type Tractors {1920, 7620}
- Track-Type Tractor:
- D11T (S/N: GEB1-UP; TPB1-UP)
.
Description of Change: The new engine software has recalibrated fuel to air ratio control maps for improved power at high altitudes.
Adaptable To: The new 470-1172 Engine Ratings Electronic Software Gp replaces the existing 434-9508 Engine Ratings Electronic Software Gp.
This change is effective for the serial numbers listed in Table 1.
Show/hide table
| Effective Serial Numbers |
| S/N:GEB01022-UP |
| S/N:TPB00212-UP |
Caterpillar Information System:
2015/03/12 An Improved Window Guide and Rail Are Now Being Used on Certain Wheel Loaders {7310}
335F CR Excavator C7.1 Engine Supplement Hood - Remove and Install - Engine
2014/10/20 An Improved Single Tilt Brace Is Now Used On Certain D9R and D9T Track-Type Tractors {6050, 6061}
335F CR Excavator C7.1 Engine Supplement Flexible Exhaust Pipe - Remove and Install
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C27 and C32 Engines for Caterpillar Built Machines Aftertreatment Identification Module - Test
335F CR Excavator C7.1 Engine Supplement Soot Sensor - Remove and Install
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D7E Track-Type Tractor Engine Supplement Hood - Remove and Install
D7E Track-Type Tractor Engine Supplement Pump Drive - Remove and Install
335F CR Excavator C7.1 Engine Supplement Engine Oil Cooler - Remove and Install
335F CR Excavator C7.1 Engine Supplement Fuel Cooler - Remove and Install
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D3K2, D4K2 and D5K2 Track-Type Tractor Systems Electronic Control (Power Train System)
D7E Track-Type Tractor Engine Supplement Access Doors/Covers - Remove and Install
335F CR Excavator C7.1 Engine Supplement Hood - Remove and Install - Clean Emissions Module
335F CR Excavator C7.1 Engine Supplement Clean Emissions Module - Remove and Install
926M, 930M and 938M Wheel Loaders Machine Systems Window Wiper and Wiper Motor (Front) - Remove and Install
D7E Track-Type Tractor Engine Supplement Turbocharger - Remove and Install
926M, 930M and 938M Wheel Loaders Machine Systems Window Wiper and Wiper Motor (Rear) - Remove and Install
930K Wheel Loader Machine Systems Refrigerant Accumulator - Remove and Install
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2014/10/21 Improved Engine Harness Assembly Routing Is Now Used on Certain D6N Track-Type Tractors {1000, 1408}
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