Hydraulic Pump for John Deere 1640, 2040, 2140, 2955, 300, 300B
Hydraulic Pump for John Deere 1640, 2040, 2140, 2955, 300, 300B

Hydraulic Pump for John Deere 1640, 2040, 2140, 2955, 300, 300B

Item #: 1401-1204

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  • Product Info
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Overview

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Item Number: 1401-1204

100% Brand New Aftermarket Part From DB Electrical

Product Specs

Description : Hydraulic Pump
Drive Type : Splined
Spline : 14
Relief Valve : Not Included
Rating : 10.38 GPM (@ 1000 RPM)
Max PSI : 2350
Volume CC : 40cc
Pump Type : Single
Notes : The system needs be flushed and replaced with clean, new fluid
1 1/16" Left inlet, 7/8" Top Inlet, 1 5/8" Right Inlet, 1 1/16" Right Discharge.
Item ConditionAftermarket Part

Applications List

Select Make & Type
MAKE TYPE MODEL YEAR ENGINE
John DeereTractor1640
John DeereTractor2040
John DeereTractor2140
John DeereTractor300 Indust/Const
John DeereTractor300B Indust/Const
John DeereTractor3010
John DeereTractor3020
John DeereTractor302A Indust/Const
John DeereTractor310 Indust/Const
John DeereTractor340D Skidder
John DeereTractor400 Indust/Const
John DeereTractor4000
John DeereTractor401 Indust/Const
John DeereTractor4010
John DeereTractor401C Indust/Const
John DeereTractor401D Indust/Const
John DeereTractor4020
John DeereTractor4040
John DeereTractor4050
John DeereTractor4230
John DeereTractor4240
John DeereTractor4250
John DeereTractor440 Skidder
John DeereTractor440
John DeereTractor440A Skidder
John DeereTractor440B Skidder
John DeereTractor440C Skidder
John DeereTractor440D Skidder
John DeereTractor4430
John DeereTractor444 Indust/Const
John DeereTractor4440
John DeereTractor4450
John DeereTractor448D Skidder
John DeereTractor4520
John DeereTractor4620
John DeereTractor4630
John DeereTractor500A Indust/Const
John DeereTractor500B Indust/Const
John DeereTractor510 Indust/Const
John DeereTractor540 Skidder
John DeereTractor540A Skidder
John DeereTractor540B Skidder
John DeereTractor540D Skidder
John DeereTractor544 Indust/Const
John DeereTractor544A Indust/Const
John DeereTractor548D Skidder
John DeereTractor570 Grader
John DeereTractor570A Grader
John DeereTractor570B Grader
John DeereTractor600 Indust/Const
John DeereTractor640 Skidder
John DeereTractor640D Skidder
John DeereTractor644A Indust/Const
John DeereTractor644B Indust/Const
John DeereTractor646 Compactor
John DeereTractor646B Compactor
John DeereTractor648D Skidder
John DeereTractor700A
John DeereTractor7020
John DeereTractor760 Scraper
John DeereTractor760A Scraper

Replaces These Part Numbers

John DeereAR101807

Frequently Asked Questions

Q: What are the most common causes of Hydraulic Pump failure?
A:

  1. Long term use and more hours of use produce more wear. When seals, bearings and critical machined surfaces become worn out, it causes the fluid to blow by and not build pressure within the pump.
  2. Contamination: Contaminants like rust, dust and abrasives are the most common cause of failure. They cause internal parts to wear until the tolerances are gone. Routinely change the filter to lessen the adverse impact of contaminants. In fact, changing the filter is sometimes more important than changing the oil.
  3. Cavitation: When oil levels get low. Cavitation occurs, which is starvation of oil coming into the pump. The increased vacuum on the incoming oil causes dissolved gases to become bubbles. These bubbles in the gases gradually eat away the metal surfaces on the pressure side.
  4. Aeration: This problem occurs when air is sucked in from a leak in the system. Similar to cavitation, aeration is when the air bubbles move into the pressure side. They collapse and erode the metal in the same way cavitation bubbles do.
  5. Overheating: Here is the most overlooked cause for pump problems. Your hydraulic system produces heat, and the oil absorbs it. Oil also radiates heat through the metal surfaces. If this temperature is over 180º F, problems start to happen. Seals and hoses harden and start to leak while losing flexibility and crack. The oil gets too thin to lubricate properly, causing metal parts to overheat, become scored or gall.
Q: What oil should I use?
A: The appropriate oil for your hydraulic pump depends on the specific requirements outlined in the manufacturer's recommendations. Generally, hydraulic systems commonly use hydraulic oils with properties such as:
  1. Viscosity: Choose an oil with the viscosity recommended by the pump manufacturer for your operating temperature range. Viscosity directly impacts the fluid's ability to flow and lubricate effectively.
  2. Additives: Consider hydraulic oils with additives to enhance performance, such as anti-wear, anti-foam, and anti-corrosion additives. The inclusion of these additives can improve the oil's durability and protect system components.
  3. ISO Classification: Hydraulic oils are classified by the International Standards Organization (ISO) based on their viscosity. Select an oil with the appropriate ISO viscosity grade specified in the equipment manual.
Always consult the manufacturer's guidelines and the equipment manual to ensure that you are using the correct hydraulic oil for your specific hydraulic pump model and operating conditions. Using the recommended oil helps maintain optimal performance, prevent damage, and extend the lifespan of the hydraulic system.

Q: What is the best preventative maintenance for getting the most years of service?
A: Just keep the systems tank/reservoir topped off with the proper fluid and serviced during the intervals recommended by the manufacturer. Hydraulic systems are pretty low maintenance. Some systems do not require changing the fluid at every service interval. Sometimes you just change the filter at service intervals. Sometimes it calls for a complete system flush and refilter. It just depends on the hours of usage or years that pump has been in use, along with the manufacturer’s maintenance service schedule.

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