6L9777 Adapter for Caterpillar Equipment

The 6L9777 adapter is a fluid fitting used on Caterpillar equipment, including articulated trucks, engines, generator sets, industrial machines, track-type tractors, wheel loaders and other heavy equipment listed below. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

Fitment

The adapter is used with the following Caterpillar equipment models and machine series:

• Articulated trucks: D250B, D25C, D25D, D300B, D30C, D350C, D35C, D35HP, D400, D40D, D44B, D550B.
• Gas engines: G3306, G3306B, G3406, G3408, G3408B, G3408C, G3412.
• Gen set engines: 3512B, 3516B, G3412C.
• Generator sets: G3306, G3406, G3412.
• Industrial engines: 3304, 3406C, C-15, C-16.
• Load haul dump machines: R1600, R1600G, R1600H, R1700 II.
• Marine engines: 3304, D330B.
• Petroleum engines: C-15.
• Pipelayers: 589.
• Track skidders: 517, 527, D4HTSK II, D4HTSK III, D5HTSK II.
• Track-type tractors: D10N, D11N, D11R, D8L, D9L.
• Truck engines: 3208.
• Wheel scrapers: 615C, 627B, 637D, 657B.
• Wheel skidders: 508, 518.
• Wheel tractors: 611, 613C II, 615, 621G, 623G, 627F, 627G.

Specifications