8W8357 Actuator G for Caterpillar Wheeled Tractor-Scrapers

8W8357 is an actuator identified as Actuator G for Caterpillar wheeled tractor-scrapers. It is used on Caterpillar 621E, 621F, 621G, 621S, 623E, 623F, 623G, 627E, 627F, and 627G machine models. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part number is shown in both compact and hyphenated formats: 8W8357 and 8W-8357. The supplied application data identifies the part for the listed Caterpillar wheeled tractor-scraper models.

Fitment

• Equipment type: Caterpillar wheeled tractor-scraper
• Caterpillar 621E
• Caterpillar 621F
• Caterpillar 621G
• Caterpillar 621S
• Caterpillar 623E
• Caterpillar 623F
• Caterpillar 623G
• Caterpillar 627E
• Caterpillar 627F
• Caterpillar 627G

The fitment list applies to the 8W8357 actuator designation and includes the 621, 623, and 627 wheeled tractor-scraper series listed above. Model suffixes should be checked against the machine identification and the part number format used in the equipment documentation before installation.

Cross-reference numbers

8W8357 and 8W-8357 refer to the same supplied part-number designation, with the difference limited to the placement of the hyphen in the written format.

Specifications

The listed dimensional data is provided in the source specifications as overall actuator measurements and product dimensions. The values are retained in their stated units and are intended for part identification, dimensional checking, and compatibility verification with the Caterpillar machine installation.