4M1751 Spacer for Caterpillar Equipment

The 4M1751 spacer is a service component used in piston pump assemblies on Caterpillar equipment. It is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is identified as a spacer or space plate and is intended for installation in the specified Caterpillar articulated dump truck and Challenger machine applications. The supplied dimensional data identifies the component as a thin shim-type part made from shim steel.

Fitment

The 4M1751 spacer is used on the following Caterpillar equipment models and series:

• Caterpillar 735 articulated dump truck
• Caterpillar 740 articulated dump truck
• Caterpillar D250E articulated dump truck
• Caterpillar D250E II articulated dump truck
• Caterpillar D300E articulated dump truck
• Caterpillar D300E II articulated dump truck
• Caterpillar D400E II articulated dump truck
• Caterpillar 65C Challenger

Application: piston pump service component. Fitment should be confirmed against the machine model and the part number marked in the service documentation before installation, particularly where the same machine series has more than one piston pump configuration.

Cross-reference numbers

The spacer is identified by the following number formats:

Both number formats refer to the same 4M1751 spacer identification supplied for this application. No additional supplier or equipment-manufacturer cross-reference numbers are specified in the available product data.

Specifications

The inch dimensions describe the outside diameter and material thickness. The separately provided metric values are listed as reported product dimensions and should not be treated as a replacement for the specified outside diameter and thickness when checking the part against an existing piston pump component.