ODM AL82778 Hydraulic Pump Gear Pump Piston Pump Replacement Spare Part for John Deere Tractors Supplier, Exporter

AL82778 Hydraulic Pump serves as a core replacement part exclusively for John Deere tractors, combining the performance advantages of both gear pumps and plunger pumps. It is a critical component ensuring the stable operation of the tractor's hydraulic system. The AL82778 hydraulic pump replacement is specifically engineered as a hydraulic system replacement part for John Deere tractor series. Classified as a booster-type hydraulic pump, it precisely matches the hydraulic interfaces and power parameter standards of original equipment. It can directly replace aged or faulty original hydraulic pumps on tractors without requiring additional modifications to hydraulic lines or control systems. Widely used in agricultural machinery repair and replacement scenarios, it is also a popular agricultural machinery accessory for cross-border exports, meeting the operational needs of John Deere tractors across multiple regions. During core agricultural operations like plowing, harrowing, and seeding, this hydraulic pump powers the hydraulic suspension system. It enables precise lifting and depth adjustment of implements such as plows and seeders, adapting to varying soil conditions and operational demands.

Product Description

OVERVIEW

AL82778 hydraulic pump, as a customized spare part replacement, features a horizontally mounted pump shaft design that perfectly aligns with the installation layout of John Deere tractor hydraulic systems. It efficiently interfaces with the tractor's power take-off unit, preventing power loss caused by misalignment. Compatible with the hydraulic operating logic of multiple John Deere models, it enables seamless replacement across small and medium-sized tractors as well as select medium-to-large tractors. Combining the dual characteristics of a gear pump and a plunger pump, it leverages the structural advantages of a gear pump to deliver smooth base power supply while utilizing the pressure-boosting capability similar to a plunger pump. This provides ample hydraulic pressure for heavy-duty tractor operations, preventing issues like slow implement lifting/lowering and steering hesitation, ensuring smooth workflow.

SPECIFICATIONS
Part Name Hydraulic pump Part Number AL82778
Product Type Axial Piston Variable Pump Origin China
Quality OEM Grade Compatible Equipment Agricultural tractors
Installation Interface Same as OEM product Unit HYDRAULIC PUMP (40CM3=2.4 CU.IN.)
Compatible Models 6010, 6100, 6110, 6110L, 6120, 6120L, 6200, 6200L, 6210, 6210L, 6300, 6300L, 6310, 6310L, 6400, 6400L, 6410, 6410L, 6500L, 6506, 6510, 6510L, 6510S, 6600, 6610, 6800, 6810, 6900, 6910, 6910S
Related Models AL161043, PG200865, AL161041, PG200864, AL200635, AL157201, AL151514, AL82777, AL151513, AL157203, AL213995
APPLICATION
Large-Scale Field Cultivation

Supports 24-hour continuous cultivation. Its gear pump's self-priming capability adapts to hydraulic oils of varying viscosities, while the plunger pump's high-pressure characteristics meet deep loosening and land preparation demands.

Precision Cash Crops

Coordinates with crop protection sprayers and precision seeders. The gear pump's flow stability ensures uniform pesticide application, while the plunger pump supports efficient mulch film covering operations.

Repair Service Market

A high-frequency replacement part for authorized service stations. Solves gear jamming or abnormal pressure issues, making it a core reserve part for global agricultural machinery repair shops.

Multi-scenario Operations

Enables tractors to switch between cultivation, transport, and irrigation modes. Low-energy consumption during transport and high-pressure output for heavy loads lowers overall machinery operating costs.

COMPATIBLE MODEL DETAILS
ENGINE POWERTECH MODELS:
  • 4.5L / 4.5 L
  • 4045
  • 6.8L / 6.8 L
  • 6068
  • 3.9L / 3.9 L
  • 4039
  • 4039TL001
  • 4039TL003
  • 4039TL004
  • 4039TL006
  • 4039TL007
  • 4045DL001
  • 4045DL002
  • 4045DL050
  • 4045TL001
  • 4045TL050
  • 4045TL060
  • 6059
  • 6059TL001
  • 6068DL001
  • 6068TL001
  • 6068TLA50
TRACTOR MODELS:
  • 6100
  • 6200 / 6200L
  • 6300 / 6300L
  • 6400 / 6400L
  • 6500 / 6500L
  • 6506
  • 6600
  • 6800
  • 6900
  • 6010
  • 6110 / 6110L
  • 6210 / 6210L
  • 6310 / 6310L / 6310S
  • 6410 / 6410L / 6410S
  • 6510 / 6510L / 6510S
  • 6610
  • 6810
  • 6910 / 6910S
FREQUENTLY ASKED QUESTIONS
Which John Deere tractor models is the AL82778 hydraulic pump specifically compatible with? Primarily compatible with John Deere compact and mid-sized tractor series (e.g., 6000, 6100, 6200, 6300, 6400 series) and select large tractor series. As an OEM replacement part, it directly matches hydraulic line interfaces for all listed models.
How to determine if AL82778 should be replaced for tractor hydraulic pump failure? Prioritize replacement if you experience: hesitant implement lifting during seeding, a sudden pressure drop below 165 bar during deep plowing, or pump housing noise accompanied by leakage, provided oil contamination is ruled out.
What advantages does the "gear pump + plunger pump" dual-functionality offer? It combines a plunger module for high-pressure tasks (165-210 bar) like deep plowing and a gear module for stable medium-low pressure tasks like seeding. This eliminates the need to swap pump units for different conditions, reducing costs.
Can I replace the AL82778 myself or should I seek professional service? Professional installation is recommended. Core steps require releasing system pressure, precise alignment of the pump shaft with the drive shaft to avoid abnormal meshing, and staged testing of flow and pressure.
What common pitfalls should be avoided during installation? Always use the "locating pin" to prevent uneven wear, ensure inlet/outlet ports are connected correctly to avoid cavitation, and tighten bolts in a diagonal sequence to specific torque to prevent housing cracks or leaks.
How to extend the service life of the AL82778? Replace hydraulic oil and filters every 500 hours, inspect the gear pump inlet screen regularly, drain oil before long-term storage to prevent oxidation, and avoid frequent rapid switching between no-load and heavy-load operations.

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