Hydraulic Motor 23B-62-11500 23B6211500 Komatsu Grader parts

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Hydraulic Motor 23B-62-11500 / 23B6211500 – Komatsu Motor Grader Parts

The circle drive motor , also known as the circle rotator hydraulic motor, provides continuous 360-degree rotary motion to the moldboard circle on a Komatsu motor grader. When the circle drive motor fails, the operator loses the ability to index the blade to the left or right side of the machine – an essential function for grading slopes, cutting ditches, and working in reverse. The grader can still move, but blade positioning becomes severely limited, and grading efficiency drops dramatically.

Model	Series	Notes
GD511	Intermediate Class	GD511 / GD511-1
GD555	Intermediate Class	GD555-1 / GD555-3 / GD555-5
GD655	Heavy Class (140–160 kW)	GD655-3 / GD655-3A / GD655-5 / GD655-6 / GD655-7 / GD655-8
GD661	Heavy Class	GD661
GD675	Heavy Class (160–180 kW)	GD675-3 / GD675-3A / GD675-5
GD825	Large Class (200+ kW)	GD825A-2 / GD825A-2E0
GD500 Series	Mid-size Graders	GD500 series hydraulic applications
GD700 Series	Large Graders	GD700 series applications (serial-number dependent)

Part Number	Product Name	Compatible Model(s)
23B-62-11500	Circle Rotator Hydraulic Motor / Circle Drive Motor / 回转驱动马达	GD511, GD555, GD655, GD661, GD675, GD825A-2
23B6211500	Circle Rotator Hydraulic Motor (no-hyphen format)	GD511, GD555, GD655, GD661, GD675, GD825A-2
23B-62-11501	Circle Rotator Hydraulic Motor (cross-reference variant)	GD655-6 circle rotation system
23B-62-12170	Check Valve Assembly (止回阀总成)	GD825A-2E0 hydraulic system (associated component)
23B-833-1300	Valve Assembly (阀总成)	GD825A-2E0 hydraulic system
56D-15-35702	Control Valve (控制阀)	GD825A-2E0 grader – hydraulic control valve
23C-40-11100	Steering Valve (转向阀)	GD series grader steering system
23B-60-11100 / 23B6011100	Hydraulic Pump Assembly (grader hydraulic pump)	GD series graders – hydraulic system pump
23B-63-72301	Cylinder Assembly (cylinder assy / cylinder ass'y)	GD511, GD655, GD675 blade lift / circle system
23A-60-11200	Transmission Pump Assembly	GD series grader – transmission hydraulic pump
23B-62-11560	Washer / Seal Washer (垫圈)	D375A-5 bulldozer (cross-platform seal component)
23B-950-2810	Window Gasket (窗垫圈)	GD series cab / enclosure
23B-950-5350	Washer (垫圈)	GD series general application

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Product Detail

Hydraulic Motor 23B-62-11500 / 23B6211500 – Komatsu Motor Grader Parts

Model	Series	Notes
GD511	Intermediate Class	GD511 / GD511-1
GD555	Intermediate Class	GD555-1 / GD555-3 / GD555-5
GD655	Heavy Class (140–160 kW)	GD655-3 / GD655-3A / GD655-5 / GD655-6 / GD655-7 / GD655-8
GD661	Heavy Class	GD661
GD675	Heavy Class (160–180 kW)	GD675-3 / GD675-3A / GD675-5
GD825	Large Class (200+ kW)	GD825A-2 / GD825A-2E0
GD500 Series	Mid-size Graders	GD500 series hydraulic applications
GD700 Series	Large Graders	GD700 series applications (serial-number dependent)

Part Number	Product Name	Compatible Model(s)
23B-62-11500	Circle Rotator Hydraulic Motor / Circle Drive Motor / 回转驱动马达	GD511, GD555, GD655, GD661, GD675, GD825A-2
23B6211500	Circle Rotator Hydraulic Motor (no-hyphen format)	GD511, GD555, GD655, GD661, GD675, GD825A-2
23B-62-11501	Circle Rotator Hydraulic Motor (cross-reference variant)	GD655-6 circle rotation system
23B-62-12170	Check Valve Assembly (止回阀总成)	GD825A-2E0 hydraulic system (associated component)
23B-833-1300	Valve Assembly (阀总成)	GD825A-2E0 hydraulic system
56D-15-35702	Control Valve (控制阀)	GD825A-2E0 grader – hydraulic control valve
23C-40-11100	Steering Valve (转向阀)	GD series grader steering system
23B-60-11100 / 23B6011100	Hydraulic Pump Assembly (grader hydraulic pump)	GD series graders – hydraulic system pump
23B-63-72301	Cylinder Assembly (cylinder assy / cylinder ass'y)	GD511, GD655, GD675 blade lift / circle system
23A-60-11200	Transmission Pump Assembly	GD series grader – transmission hydraulic pump
23B-62-11560	Washer / Seal Washer (垫圈)	D375A-5 bulldozer (cross-platform seal component)
23B-950-2810	Window Gasket (窗垫圈)	GD series cab / enclosure
23B-950-5350	Washer (垫圈)	GD series general application