PLATE 3967203 - Caterpillar

Wheel Loader:
990Series II (S/N: BCR1-321; 4FR1-525,600-641,75001-75002,76001,78001)
990H (S/N: BWX1-UP)
Description of Change: ReferenceSee Special Instruction, REHS4143, "The Repair Instructions for the Loader Frame of the Right Side Plate Assembly".The manufacturing process for the front frame has been improved. The improved manufacturing process will provide a more durable frame in order to prevent the possibility of cracking in the subassembly of the upper tower.Adaptable To: The improved manufacturing process for the front frame has been improved on the 8R-9044 Plate As and the 8R-9072 Plate As for the 990 Series II Wheel Loaders.The improved manufacturing process for the front frame has been improved on the 236-2663 Plate As and the 236-2662 Plate As for the 990H Wheel Loaders.The left hand plate assembly has been improved with the use of 8R-9057 Plate, 8R-9055 Plate, and the 8R-9056 Plate. The right hand plate assembly has been improved with the use of 8R-9468 Plate, 8R-9055 Plate, and the 8R-9056 Plate .These improvements are adaptable to the following machines.
990 Series II (S/N: 4FR1-525,600-641,75001-75002,76001,78001)
990 Series II (S/N: BCR1-321)
990H (S/N: BWX1-491)For the repair procedure, refer to the special instruction that is listed above.These improvements are effective on the following machines.
990H (S/N: BWX492-UP)