2012/03/28 Caterpillar

Articulated Truck:

735 (S/N: B1N1-UP; AWR1-UP)

735B (S/N: L4D1-UP; T4P1-UP)

740 (S/N: AXM1-UP; B1P1-UP)

740 EJECTOR (S/N: B1R1-UP; AZZ1-UP)

740B (S/N: L4E1-UP; T4R1-UP)

740B EJECTOR (S/N: L4F1-UP; T4S1-UP)

Service Magazine SEPD1417, 28 March 2012, "A New Bevel Gear set is Available ". The effectivity in this article has been updated. Refer to the following information.

Description of Change: A New Bevel Gear Set is Available for Certain Articulated Trucks.

Adaptable To: The new bevel gear set has an improved contact pattern.

The new bevel gear set has improved microgeometry and tooling to better handle manufacturing/heat treat variances.

Table 1

Required Parts
Item	Qty	New Part Number	Description	Former Part Number
1	1	361-9411	Bevel Gear Set	147-7245

The new bevel gear set is adaptable to the following machines:

• 735 (S/N: AWR1-880)

• 735 (S/N: B1N1-1379)

• 735B (S/N: L4D1-406)

• 735B (S/N: T4P1-311)

• 740 (S/N: AXM1-2154)

• 740 (S/N: B1P1-6574)

• 740B (S/N: L4E1-995)

• 740B (S/N: T4R1-624)

• 740B EJ (S/N: L4F1-399)

• 740B EJ (S/N: T4S1-290)

• 740 EJ (S/N: AZZ1-390)

• 740 EJ (S/N: B1R1-544)

The new bevel gear set is effective in production on the following machines:

• 735 (S/N: AWR881-UP)

• 735 (S/N: B1N1380-UP)

• 735B (S/N: L4D407-UP)

• 735B (S/N: T4P312-UP)

• 740 (S/N: AXM2155-UP)

• 740 (S/N: B1P6575-UP)

• 740B (S/N: L4E996-UP)

• 740B (S/N: T4R625-UP)

• 740B EJ (S/N: L4F400-UP)

• 740B EJ (S/N: T4S291-UP)

• 740 EJ (S/N: AZZ391-UP)

• 740 EJ (S/N: B1R545-UP)