Steering gear grader spare parts

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Steering Gear (Hydraulic Steering Unit) – Motor Grader Spare Parts

The steering gear, also known as a hydraulic steering unit or orbitrol, is the component that translates steering wheel movement into hydraulic flow that turns the grader's front wheels. It contains a precision spool and sleeve set that directs pressurized oil to the left or right steering cylinder. When the steering gear wears out or fails internally, the operator experiences heavy steering, delayed response, or complete loss of hydraulic assist—making precise blade positioning nearly impossible.

Part Number	Product Name	Brand	Compatible Model(s)
803011053	Steering Gear (Hydraulic Steering Unit)	XCMG	XCMG GR2153, GR200, GR180, GR3005, GR3505 graders; also fits GR135, GR165 steering linkage systems
804008501	Steering Gear	XCMG	XCMG motor grader steering system – fits multiple GR series models
380900916	Tie Rod (Steering Linkage)	XCMG	XCMG GR215, GR200, GR220, GR300, GR350; also GR135, GR165
380906168	Left Steering Knuckle	XCMG	XCMG GR215 series motor grader (model GR215D.17.12)
804009876	Front Wheel Steering Cylinder	XCMG	XCMG GR3005 motor grader (front wheel steering)
151902000030B / BZZ-200	Hydraulic Steering Gear (Combined Valve Block)	SANY	SANY motor grader – BZZ-200 series, 634-5385-9312404
BZZ1-E160B	Hydraulic Steering Unit (Orbitrol)	SANY	SANY motor grader – open center system, 160 cc/rev displacement
13134029	Steering Cylinder	SANY	SANY PQ190, SHG190 motor graders
4D7215	Steering Gear Assembly	Caterpillar	CAT 14E motor grader; 120 motor grader (10R02882-UP)
2D6198	Steering Gear Assembly	Caterpillar	CAT 12 Motor Grader (99E04491-14170); fits 120, 12E, 12F, 140, 14E, 16
1416145	Steering Linkage Group	Caterpillar	CAT motor grader front axle assembly – multiple models
2669705	Steering Linkage Group	Caterpillar	CAT 24M, 35, 45, 55, 65E, 75E, 85E, 95E motor graders
11110346	Steering Gear Assembly	Caterpillar	CAT 140K motor grader steering system
60314-00021	Steering Gear (Hydraulic Steering Unit)	Caterpillar / Komatsu	Universal steering gear – fits selected Cat and Komatsu grader models
53853-00038	Steering Gear Repair Kit (Seal Kit)	Caterpillar / Komatsu	Steering gear overhaul seal kit – fits multiple grader applications
60325-34700	Steering Gear Cover	Caterpillar / Komatsu	Steering gear end cover – grader hydraulic steering unit
AT169864	Steering Tie Rod End	John Deere	JD 670D, 672D motor grader – front steering linkage
T157310	Steering Gear Arm	John Deere	John Deere motor grader – connects sector shaft to tie rod/drag link
AR48759	Steering Gear Parts Kit (Seal Kit)	John Deere	John Deere motor grader – steering gear overhaul seal kit
AL28457	Steering Wheel Assembly	John Deere	JD 210C, 310A/B/C, 315C, 410, 410B/C, 415B, 510, 510B, 610B, 710B/C
6040-A0880	Steering Gear (BZZ Series)	Komatsu / Universal	BZZ series hydraulic steering unit – fits selected Komatsu grader models
262-5766	Steering Cylinder	Caterpillar	CAT 16M3, 18M3 motor grader – left/right steering cylinder
276-5681	Steering Cylinder	Caterpillar	CAT 16M3, 18M3 motor grader – left/right steering cylinder
436-9156 / 436-9157	Steering Cylinder	Caterpillar	CAT 16M3, 18M3 motor grader – steering cylinder pair

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Product Detail

Steering Gear (Hydraulic Steering Unit) – Motor Grader Spare Parts

Part Number	Product Name	Brand	Compatible Model(s)
803011053	Steering Gear (Hydraulic Steering Unit)	XCMG	XCMG GR2153, GR200, GR180, GR3005, GR3505 graders; also fits GR135, GR165 steering linkage systems
804008501	Steering Gear	XCMG	XCMG motor grader steering system – fits multiple GR series models
380900916	Tie Rod (Steering Linkage)	XCMG	XCMG GR215, GR200, GR220, GR300, GR350; also GR135, GR165
380906168	Left Steering Knuckle	XCMG	XCMG GR215 series motor grader (model GR215D.17.12)
804009876	Front Wheel Steering Cylinder	XCMG	XCMG GR3005 motor grader (front wheel steering)
151902000030B / BZZ-200	Hydraulic Steering Gear (Combined Valve Block)	SANY	SANY motor grader – BZZ-200 series, 634-5385-9312404
BZZ1-E160B	Hydraulic Steering Unit (Orbitrol)	SANY	SANY motor grader – open center system, 160 cc/rev displacement
13134029	Steering Cylinder	SANY	SANY PQ190, SHG190 motor graders
4D7215	Steering Gear Assembly	Caterpillar	CAT 14E motor grader; 120 motor grader (10R02882-UP)
2D6198	Steering Gear Assembly	Caterpillar	CAT 12 Motor Grader (99E04491-14170); fits 120, 12E, 12F, 140, 14E, 16
1416145	Steering Linkage Group	Caterpillar	CAT motor grader front axle assembly – multiple models
2669705	Steering Linkage Group	Caterpillar	CAT 24M, 35, 45, 55, 65E, 75E, 85E, 95E motor graders
11110346	Steering Gear Assembly	Caterpillar	CAT 140K motor grader steering system
60314-00021	Steering Gear (Hydraulic Steering Unit)	Caterpillar / Komatsu	Universal steering gear – fits selected Cat and Komatsu grader models
53853-00038	Steering Gear Repair Kit (Seal Kit)	Caterpillar / Komatsu	Steering gear overhaul seal kit – fits multiple grader applications
60325-34700	Steering Gear Cover	Caterpillar / Komatsu	Steering gear end cover – grader hydraulic steering unit
AT169864	Steering Tie Rod End	John Deere	JD 670D, 672D motor grader – front steering linkage
T157310	Steering Gear Arm	John Deere	John Deere motor grader – connects sector shaft to tie rod/drag link
AR48759	Steering Gear Parts Kit (Seal Kit)	John Deere	John Deere motor grader – steering gear overhaul seal kit
AL28457	Steering Wheel Assembly	John Deere	JD 210C, 310A/B/C, 315C, 410, 410B/C, 415B, 510, 510B, 610B, 710B/C
6040-A0880	Steering Gear (BZZ Series)	Komatsu / Universal	BZZ series hydraulic steering unit – fits selected Komatsu grader models
262-5766	Steering Cylinder	Caterpillar	CAT 16M3, 18M3 motor grader – left/right steering cylinder
276-5681	Steering Cylinder	Caterpillar	CAT 16M3, 18M3 motor grader – left/right steering cylinder
436-9156 / 436-9157	Steering Cylinder	Caterpillar	CAT 16M3, 18M3 motor grader – steering cylinder pair

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Steering gear grader spare parts

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