4M1768 Extension Spring

4M1768 is an extension spring used in Caterpillar construction, earthmoving, material-handling and transport equipment. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

Fitment

• Excavator: 313B
• Motor grader: 16
• Pipelayer: 572G
• Track loader: 933C, 939C, 977K
• Track-type tractor: D3C III, D4C III, D5C III, D6C, D6D, D6E, D6G2 LGP, D6G2 XL, D7G, D7G2
• Tractor: 768B, 772, 776
• Truck: 769, 769C, 773B, 777
• Wheel scraper: 657B
• Wheel tractor: 621, 621B, 623, 623B, 627, 627B, 631C, 631D, 633D, 637, 637D, 639D, 641, 641B, 650B, 651, 657, 657B, 666, 666B

Specifications