2013/10/24 Caterpillar


New Engine Software is Available for Certain 740B and 740B Ejector Articulated Trucks {1920}

Usage:

740B T4R
Articulated Truck:
740B (S/N: T4R1-UP)
740B EJECTOR (S/N: T4S1-UP)

The new engine software that is available reduces exhaust system back pressure during engine braking. The reduction in exhaust back pressure helps prevent NOx reduction system (NRS) cooler failure.

The new software part number is 446-6675 Engine Ratings Electronic Software Gp. The new software is adaptable back to first production of the engine serial numbers listed at the beginning of the article.

Caterpillar Information System:

793F Series AC Off-Highway Truck Power Train Axle Shaft - Remove and Install
14L Motor Grader Machine Systems Cab - Remove
14L Motor Grader Machine Systems Cab - Install
12M Series 3, 140M Series 3 and 160M Series 3 Motor Graders Control Manifold (Hydraulic Fan)
12M Series 3, 140M Series 3 and 160M Series 3 Motor Graders Control Manifold (Brake)
988K XE Wheel Loader Machine Systems Steering Control Valve - Disassemble
2013/11/21 Improvement to the Boom Top Plate on Certain Backhoe Loaders {6501}
2013/10/29 New Transmission Software is Available {7610, 7620}
Procedure to Install New Blocks and Bracket Assembly for the Front Nose and Rear Valve Bank Cover on Certain 16M Motor Graders{7150} Procedure to Install New Blocks and Bracket Assembly for the Front Nose and Rear Valve Bank Cover on Certain 16M Motor Graders{7150}
2013/10/24 New Software for the Turbocharger Protection Strategy on the C4.4 Engine {1052, 1920}
2013/12/06 New Procedure to Rework the Existing Front Axle Now Available for R1600G Load Haul Dump Machines {3256, 3258, 3260}
725C Articulated Truck Declaration of Conformity
2013/12/02 New Blade Mounting Group Wear Strips are Now Available On Certain 24H and 24M Motor Graders {6151}
2014/03/27 New Blade Mounting Group Wear Strips are Now Available On Certain H, K and K Series 2 Motor Graders {6152, 6154, 6155}
2013/11/22 New Blade Mounting Group Wear Strips are Now Available On Certain H, M, and M Series 2 Motor Graders {6151}
725C, 725C2, 730C and 730C2 Articulated Truck Systems General Information (Hydraulic System)
2013/11/11 The Drawbar Assembly Has Been Improved on Certain M and M Series 2 Motor Graders {6153}
2013/11/27 New Spindle for the Front Axle Group Is Used On Certain 16H and 16M Motor Graders {4205, 4313}
777G Off-Highway Truck Hydraulic and Braking System Operational Checks
226 Skid Steer Loader TA2 Technical Inspection{0372, 1000, 7000, 753T, 7565} 226 Skid Steer Loader TA2 Technical Inspection{0372, 1000, 7000, 753T, 7565}
2013/11/15 An Improved Centershift Lock Group Is Now Used on Certain K and K Series 2 Motor Graders {5221}
2014/05/20 An Improved Water Pump Seal Assembly Is Used on Certain Commercial Engines {1361, 7555}
The Final Drive Thrust Washers May Fail on Certain 14M Motor Graders{4050} The Final Drive Thrust Washers May Fail on Certain 14M Motor Graders{4050}
2014/02/07 A New Air Lines Group Is Used on Certain Machine C175 High Altitude Arrangement Engines {1071}
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