Description
AP2D36 Hydraulic Pump Assembly 2401-9286 Overview
The AP2D36 Hydraulic Pump Assembly 2401-9286 manufactured by Tatan is a heavy-duty Uchida Rexroth series axial piston double pump belonging to our Hydraulic Pump Assembly classification. Engineered specifically for Doosan Daewoo DX75, DX75-9, DX75-9C, and DH80-7 7-to-8 ton excavators and loaders, replacing your worn main pump with a Tatan complete pump assembly restores original 31.4 MPa working pressure and hydraulic flow capacity instantly.
Built strictly according to original OEM specifications, this Uchida Rexroth AP2D36 hydraulic main pump features 1:1 mounting flange dimensions and a drive spline shaft that couples directly to Yanmar 4TNV98 engine flywheels without hose or regulator modifications.
Key Attributes & Parameters for AP2D36 Hydraulic Pump Assembly 2401-9286
| Product Category | Hydraulic Pump Assembly | Warranty | 1 Year / 12 Months |
| Specific Pump Model | Uchida Rexroth AP2D36 / AP2D36LV Pump | Brand Name | Tatan |
| Compatible Equipment | Doosan DX75 | DH80-7 Loader | OEM Part Number | 2401-9286 / AP2D36 |
| Matched Engine Series | Yanmar 4TNV98 / 4TNV98-VNS Engine | Place of Origin | Guangdong, China |
| Max Relief Pressure | 31.4 MPa (314 bar / 4550 PSI) | Rated Flow Output | 2 x 68 L/min @ 2100 RPM |
| Drive Shaft Spec | Spline Shaft (CW Rotation) | Control Mechanism | Negative Flow & Total Power Control |
| Machinery Test Report | Provided (100% Bench Tested) | Video Outgoing-Inspection | Provided Before Shipping |
| Quality Status | 100% Brand New with NOK Seals | Packaging | Export Wooden Box Packaging |
Supported Machinery Brands & Hydraulic Parts Coverage
In addition to Doosan, Tatan manufactures replacement main hydraulic pumps and components for major excavator brands:
Application Scenarios & Buyer Value
When upgrading or replacing your excavator hydraulic system with our AP2D36 Hydraulic Pump Assembly 2401-9286, buyers achieve maximum operational uptime and power efficiency:
| Application Scenario | Value Delivered to Buyer |
|---|---|
| Doosan DX75 Main Pump Replacement | 1:1 direct bolt-on replacement eliminates machine downtime and restores original digging speed. |
| Hydraulic Repair Workshops | Replaces tedious internal component rebuilding; reduces labor hours and eliminates aftermarket warranty risks. |
| Parts Dealers & Stockists | High-demand replacement pump ready for immediate resale to contractors and plant hire companies. |
| Rental Fleet Maintenance | Cost-effective replacement option extending total Doosan 7-ton excavator & loader service lifecycle. |
AP2D36 Hydraulic Pump Assembly 2401-9286 OEM Diagnostic Guide
Use this OEM manual hydraulic diagnostic guide to troubleshoot operational symptoms on your Doosan DX75 excavator:
| Hydraulic Symptom | Technical Cause Analysis | Tatan Factory-Grade Solution |
|---|---|---|
| 1. Slow attachment movements & weak travel under high oil temp | Bimetallic valve plate or cylinder block surface scoring causing high-pressure internal oil bypass (>31.4 MPa drop). | Install Tatan AP2D36 complete hydraulic main pump assembly; flush tank lines and replace 10μm oil return filter. |
| 2. Engine stalling / Lugging down when pulling hydraulic pilot levers | Negative flow control regulator spool sticking or torque spring fatigue, overloading the Yanmar 4TNV98 engine. | Disassemble and clean pump regulator; lap spool clearance to 0.005mm tolerance or install a new complete pump assembly. |
| 3. Loud cavitation noise & oil foaming in hydraulic reservoir | Air ingress through suction flange O-rings or cracked suction rubber hose causing vacuum cavitation. | Reseal suction intake with high-temp HNBR O-rings; check hydraulic oil level and bleed air from pump casing. |
| 4. Front shaft oil seal blowout into engine flywheel housing | Casing drain line blockage or internal bypass wear causing drain pressure to exceed 0.2 MPa. | Clear case drain return lines, replace front shaft seal with high-pressure NOK seal, and test casing relief pressure. |
Transport Packaging & Fast Global Shipping
To ensure 100% damage-free international transport, every Tatan AP2D36 Hydraulic Pump Assembly 2401-9286 undergoes anti-rust oiling, waterproof plastic sealing, and solid export wooden box packaging.
✈️ Express Air Courier
Partnered with DHL, FedEx, UPS, and TNT for express door-to-door delivery worldwide.
🚢 Sea Cargo Freight
LCL and FCL ocean container shipping for heavy hydraulic pump assemblies and bulk orders.
📦 Export Wooden Cases
Fumigated solid wooden boxes with thick shockproof foam lining for maximum safety.
Quality Control & International Certificates
Tatan hydraulic pumps are manufactured under ISO 9001 quality management systems and strictly comply with CE safety standards.
AP2D36 Hydraulic Pump Assembly 2401-9286 FAQ & Related Categories
* Note: Wholesale Reference Price Starts From $300.00. Please contact Gavin for a final customized quote.
Reviews
There are no reviews yet.