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Home > Agricultural Machinery Parts > China AT302662 RM100202 Hydraulic Pump Without Auxiliary Mount Replacement for John Deere 670D, 672D, 770D, 772D, 870D, 872D Manufacturer, Supplier
China AT302662 RM100202 Hydraulic Pump Without Auxiliary Mount Replacement for John Deere 670D, 672D, 770D, 772D, 870D, 872D Manufacturer, Supplier
China AT302662 RM100202 Hydraulic Pump Without Auxiliary Mount Replacement for John Deere 670D, 672D, 770D, 772D, 870D, 872D Manufacturer, Supplier
China AT302662 RM100202 Hydraulic Pump Without Auxiliary Mount Replacement for John Deere 670D, 672D, 770D, 772D, 870D, 872D Manufacturer, Supplier
China AT302662 RM100202 Hydraulic Pump Without Auxiliary Mount Replacement for John Deere 670D, 672D, 770D, 772D, 870D, 872D Manufacturer, Supplier
China AT302662 RM100202 Hydraulic Pump Without Auxiliary Mount Replacement for John Deere 670D, 672D, 770D, 772D, 870D, 872D Manufacturer, Supplier
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China AT302662 RM100202 Hydraulic Pump Without Auxiliary Mount Replacement for John Deere 670D, 672D, 770D, 772D, 870D, 872D Manufacturer, Supplier
China AT302662 RM100202 Hydraulic Pump Without Auxiliary Mount Replacement for John Deere 670D, 672D, 770D, 772D, 870D, 872D Manufacturer, Supplier
China AT302662 RM100202 Hydraulic Pump Without Auxiliary Mount Replacement for John Deere 670D, 672D, 770D, 772D, 870D, 872D Manufacturer, Supplier
China AT302662 RM100202 Hydraulic Pump Without Auxiliary Mount Replacement for John Deere 670D, 672D, 770D, 772D, 870D, 872D Manufacturer, Supplier
China AT302662 RM100202 Hydraulic Pump Without Auxiliary Mount Replacement for John Deere 670D, 672D, 770D, 772D, 870D, 872D Manufacturer, Supplier

China AT302662 RM100202 Hydraulic Pump Without Auxiliary Mount Replacement for John Deere 670D, 672D, 770D, 772D, 870D, 872D Manufacturer, Supplier

AT302662 and RM100202 are auxiliary-free mount hydraulic pumps designed for John Deere 670D, 672D, 770D, 772D, 870D, and 872D series motor graders. As the power core of the machine's hydraulic system, it provides a stable high-pressure oil supply for critical working devices such as blade lifting, blade tilting, and steering systems. Designed to match original factory hydraulic circuit parameters, it serves as a core replacement part for faulty old pumps and equipment overhauls, meeting the heavy-duty grading demands of motor graders. AT302662 and RM100202 are primarily used in heavy-duty, continuous operation scenarios such as highway subgrade construction, mine site leveling, farmland reclamation, and municipal road maintenance.

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Product Description

AT302662/RM100202 Hydraulic Pump without Auxiliary Mounting Bracket serves as the core power component for John Deere 670D-872D series motor graders. Its core value lies in precise compatibility, robust power, and high cost-effectiveness. Ideal for repair scenarios where the original mounting bracket remains intact, it rapidly restores motor grader hydraulic system performance. When purchasing, verify the machine model and part number. After installation, strictly follow the commissioning procedures. Regularly maintain the hydraulic oil and filter elements to effectively extend the service life of the pump and hydraulic system.
Part Name Hydraulic Pump Without Auxiliary Mount Part Number AT302662 / RM100202
Product Type High-pressure external meshing gear pump Origin China
Weight 76.1 lb Height 12 in
Width 12.5 in Length 15.1 in
Compatible Equipment Graders / Land Levellers
Compatible Model 670D, 672D, 770D, 772D, 870D, 872D
Core Usage 1. Provides hydraulic power to working attachments such as bulldozer blades and scrapers;
2. Supplies stable pressure to the steering system, ensuring precise steering;
3. Maintains system back pressure to prevent cavitation and protect actuators.
Application Heavy-duty construction, mine site leveling, land improvement, and municipal maintenance.
Related Model AT302661 / RM100201 Hydraulic Pump With Auxiliary Mount
  • ⚙️
    Precise fit, flexible installation Designed without an integrated mounting bracket, it directly interfaces with the original machine's support structure. This adapts to installation needs across various maintenance scenarios, particularly when the original mounting bracket remains undamaged, reducing replacement part costs.
  • ⚡
    Powerful Performance, Efficient Operation High-pressure, high-flow output ensures rapid response and robust force for blade lifting, dozer blade tilting, and other movements. Restores the grader's heavy-duty leveling efficiency, preventing precision loss due to insufficient power.
  • 🛡️
    Durable and reliable with extended lifespan High-strength configuration featuring a ductile iron pump body and alloy steel gears delivers superior resistance to contaminants and vibrations. High-pressure resistant seals effectively prolong trouble-free operation time.
  • 💎
    Outstanding cost-performance ratio High-quality replacement parts offer significant savings compared to new OEM pumps while being backed by a 1-year warranty, balancing repair costs with operational reliability.
COMPATIBLE MODELS
670D
672D
770D
772D
870D
872D
Frequently Asked Questions
What is the difference between AT302662 and RM100202? Are they interchangeable?
Both are interchangeable parts with identical specifications. They differ only in production batch or supplier codes. Core parameters and compatible machine models are fully consistent, allowing direct interchange without modifying piping.
Which motor grader models does this pump fit?
It is compatible with 670D, 672D, 770D, 772D, 870D, and 872D. Note that this pump is not compatible with G-series graders such as 670G/672G.
How to assess the quality of this pump replacement?
Verify the part number; inspect the pump body (ductile iron), gears (42CrMo alloy steel), and seals (high-pressure resistant fluororubber). Always choose parts with a warranty to ensure durability.
What preparations are required before installing the new pump?
Drain residual pressure, clean pipe connections and the oil tank. Crucially, replace the hydraulic oil and filter elements to prevent contaminants from damaging the new pump.
What are the critical steps for the first startup?
Manually prime the pump by adding oil through the port and rotating the shaft 3-5 turns to expel air. Idle for 15-20 minutes after installation to inspect for leaks before starting full operations.
How can I extend the pump's lifespan?
Replace hydraulic oil and filters every 500-1000 hours. Avoid prolonged overload operation and never mix different brands of hydraulic fluids, as this can damage seals.

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