Alternator Gp-Charging 1077977 for Caterpillar Equipment

Alternator Gp-Charging 1077977 is an alternator assembly for Caterpillar earthmoving compactors and Caterpillar engine-machine applications. It is used to generate electrical power for the machine charging system and connected electrical equipment. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

Fitment

The alternator is listed for the following Caterpillar equipment models and machine series:

• Caterpillar 825
• Caterpillar 816B
• Caterpillar 816F
• Caterpillar 826C
• Caterpillar 815B
• Caterpillar 815F
• Caterpillar 825C
• Caterpillar 825G
• Caterpillar 825G II
• Caterpillar 3116

Application categories identified for this part are Caterpillar earthmoving compactor and Caterpillar engine-machine equipment. Compatibility should be checked against the machine model and the part number installed on the equipment.

Cross-reference numbers

The numbers 1077977 and 107-7977 identify the same alternator application in the supplied product data. The hyphenated form is used as the equipment part number, while 1077977 is the listed product SKU.

Specifications

The specified electrical parameters are 24 V system voltage, 70 A rated output current, and a 12-pole configuration. The mounting specification is SAE J180. The supplied data identifies the brush configuration as “with/without brush”; the exact configuration should therefore be verified before installation.

Overall dimensions are listed as 35 cm in length, 25 cm in width, and 20 cm in depth. The stated weight is 16.4 lb. The product data does not specify additional installation hardware, wiring, pulley details, or included accessories.