1901668 Coupler for Caterpillar Equipment

The 1901668 hydraulic coupler is used in hydraulic systems of Caterpillar equipment, including excavators, loaders, engines, motor graders, telehandlers, and other machine types listed below. It is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

Fitment

• Backhoe loaders: 432E
• Excavators: 350
• Generator set engines: 3406C, 3508, 3508B, 3512, 3512B, 3516, 3516B
• Industrial engines: 3306, 3406E, 3408E, 3412C, 3412E, 3508, 3512
• Marine auxiliary engines: 3512B, 3516B
• Marine engines: 3304B, 3306B, 3406E, 3412, 3508, 3508B, 3512B, 3516, 3516B
• Mini hydraulic excavators: 301.6C, 302.5, 302.5C, 303.5, 304.5
• Motor graders: 120H, 120M, 12H, 12M, 135H, 140H, 140K, 140M, 143H, 14H, 160H, 160K, 160M, 163H, 16H, 16M
• Pipelayers: 589
• Telehandlers: TH210, TH215, TH220B, TH330B, TH350B, TH355B, TH460B, TH560B
• Track loaders: 963B, 973
• Track-type tractors: D4E SR, D5E, D6E, D6E SR, D6G SR, D8R II
• Wheel loaders: 924F, 924H, 938G, 950G, 962G, 966H

Specifications