The 3538958M91 hydraulic gear pump is an aftermarket replacement part designed for Massey Ferguson tractor models, including the 373, 373S, 374F, 374S, 377, 383, 383S, 384F, 384S, 387, 393, and 393S. This tractor hydraulic pump is responsible for supplying pressurized hydraulic fluid to the tractor's hydraulic system, enabling the operation of essential functions like lifting, steering, and powering hydraulic implements.
3538958M91 Hydraulic Gear Pump Specifications
Compatible with Massey Ferguson Tractor(s):
300 Series: 367CF, 373, 373LX, 373S, 374AP, 374APX, 374AQ, 374F, 374FP, 374FPX, 374FQ, 374GE, 374GEX, 374H, 374S, 374SP, 374SP, 374SPX, 374SQ, 374V, 377, 383, 383LX, 383S, 384AP, 384APX, 384AQ, 384F, 384FP, 384FPX, 384FQ, 384GE, 384GEX, 384GE, 384S, 384SP, 384SPX, 384SQ, 384V, 387, 393, 393LX, 393S
F Series: F70, F80, F90
Replacement for Massey Ferguson OEM Number(s): 3533911M91, 3538958M91
| Applied to: | Massey Ferguson Tractor |
| OEM Ref.No.: | 3533911M91, 3538958M91 |
| Nominal Displacement: | 14ml/r |
| Maximum Pressure· | 250bar |
| Rotational Speed: | 500-3000r/min |
| Fuel Feed Hole: | Φ19 |
| Fuel Discharge Hole: |
Φ14 |
| Direction of Rotation: |
Left (Anti-clockwise) |
Tractor Hydraulic Gear Pump Design Features
- Gear Mechanism for Fluid Flow
The hydraulic gear pump uses a pair of precisely engineered interlocking gears to create a smooth and consistent hydraulic fluid flow. This design ensures efficient fluid displacement, minimal pulsation, and reliable performance for various hydraulic applications. - High-Quality Materials for Durability
Constructed from durable, wear-resistant materials, the tractor hydraulic pump is designed to withstand high pressure, extreme temperatures, and harsh agricultural conditions. These materials minimize wear and tear, ensuring long-term reliability even under continuous heavy-duty usage. - Compact and Lightweight Design
The pump's compact structure allows for easy integration into the tractor's hydraulic system without adding excessive weight. This smaller design improves operational efficiency while maintaining the high output required for demanding agricultural tasks. - Optimized Sealing System
Equipped with advanced seals, the tractor hydraulic gear pump prevents fluid leakage and contamination. This sealing system enhances performance by maintaining consistent pressure while protecting internal components from dirt, debris, and environmental damage. - High-Pressure Tolerance
Designed to handle high-pressure hydraulic systems, the tractor hydraulic pumps maintain steady performance under demanding workloads. Its robust design allows it to operate effectively in applications where heavy lifting or powerful hydraulic output is required. - Ease of Maintenance and Replacement
The hydraulic pump for tractor is designed for user convenience, allowing for straightforward installation, inspection, and servicing. Its modular construction simplifies repairs and replacement, ensuring minimal downtime and consistent performance in agricultural operations.
Working Principle of Hydraulic Pump in Tractor
The working principle of a tractor hydraulic gear pump is based on the movement of hydraulic fluid through a mechanical gear assembly to generate pressurized flow. This pressurized fluid powers various hydraulic systems in the tractor, such as lifting implements, operating steering mechanisms, or driving auxiliary functions. The pump operates using two interlocking gears: the drive gear and the driven gear, which are housed inside a tightly sealed casing.
When the tractor's engine drives the tractor hydraulic pump, the rotation of the drive gear begins. This, in turn, causes the driven gear to rotate in the opposite direction. As the gears rotate, they create two primary chambers: the inlet chamber and the outlet chamber. In the inlet chamber, the rotation of the gears creates a vacuum that draws hydraulic fluid from the reservoir into the pump. The fluid enters the pump through the suction port and fills the spaces between the gear teeth.
As the gears continue to rotate, the hydraulic fluid is trapped between the gear teeth and the pump casing. This fluid is carried around the outer edges of the gears, avoiding the center where the gear teeth mesh. The fluid is then forced into the outlet chamber, where the meshing of the gear teeth creates high pressure. This pressurized fluid exits the tractor hydraulic gear pump through the outlet port and flows into the tractor's hydraulic system.
The hydraulic pump is designed to handle continuous operation with minimal leakage, thanks to its precision-engineered gears and sealing systems. Its simplicity and efficiency make the gear pump ideal for high-pressure, high-flow applications in agricultural tractors. The constant rotation of the gears ensures a steady flow of hydraulic fluid, enabling reliable and consistent performance under varying workloads.
