6V-1653 O-ring for CAT bulldozer spare part

6V-1653 O-ring for CAT bulldozer spare part Featured Image
  • 6V-1653 O-ring for CAT bulldozer spare part

Short Description:

NBR O-ring for Caterpillar D8L/D9N/D9R/D10N/D10R/D10T bulldozer and 589 pipelayer, compatible with hydraulic and lubricating oil, static seal for housing flanges and cylinder joints, prevents oil leakage and contamination.

Product Detail

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description

This O-ring is widely used on Caterpillar bulldozer undercarriage and hydraulic systems. Made of 75A NBR nitrile rubber, it fills groove clearance by elastic compression, featuring good mineral oil resistance and extrusion resistance. Nicks, hardening, swelling and cracks will lead to oil leakage and pressure loss, and contaminants will accelerate wear of bearings, gears and cylinder pistons.

Part No.:6V-1653
Type: O-ring seal
Material: NBR nitrile rubber, Shore A75
Color: Black
Sealing Type: Static sealing, limited low-speed dynamic sealing
Compatible Medium: Hydraulic oil, gear oil, lubricating oil
Working Condition: Medium pressure and normal temperature oil environment for construction machinery hydraulic and transmission system
Matching System: Final drive, hydraulic cylinder, pipe flange assembly

Application Scenarios

Fits Caterpillar D8L, D9N, D9R, D9T, D10N, D10R, D10T, D10T2 track-type tractor and 589 pipelayer, for overhaul of final drive housing, cylinder flange, hydraulic pipe joint and pump seal.

FAQ 

Q：Can the aged O-ring with sticky surface be installed?
A：Not recommended. Sticky rubber means early aging and poor elasticity, prone to leakage under pressure.

Q：What risk exists without backup ring under high pressure?
A：The O-ring may be extruded into the clearance and damaged rapidly.

Q：Will excessive grease cause seal failure?
A：Too much grease occupies compression space and attracts metal debris, weakening sealing performance.

Q：Can I polish fine scratches on mating surface and install new O-ring?
A：Only for minor scratches. Deep scratches form permanent leakage path and housing repair is required.

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