2H3429 Retaining Ring

The 2H3429 retaining ring is a steel transmission seal ring used in grooves on a component body or in holes located inside shafts of Caterpillar articulated dump trucks. It is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is identified by the Caterpillar equipment brand for application purposes. Its retaining function is provided by seating in a specified groove or shaft opening, while the cross holes are intended for installation and removal with suitable service tools.

Fitment

The 2H3429 retaining ring is listed for use on the following Caterpillar articulated dump truck models and model series:

• Caterpillar 725
• Caterpillar 730
• Caterpillar 735
• Caterpillar 740
• Caterpillar D250E
• Caterpillar D250E II
• Caterpillar D300E
• Caterpillar D300E II
• Caterpillar D350E
• Caterpillar D350E II

Fitment is based on the model information available for this part number. The retaining ring should be matched with the groove or shaft dimensions of the specific machine assembly before installation.

Cross-reference numbers

The part is also identified by the hyphenated part-number format shown below:

• 2H-3429

2H3429 and 2H-3429 refer to the same listed retaining ring identification.

Specifications

The listed free diameter, radial wall, tab height, groove width, groove diameter and shaft diameter are retained as supplied in the part data. Their source description does not specify measurement units for those individual values. The overall dimensions are listed separately in centimetres, while thickness is stated in millimetres and weight in pounds.