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Anthony Chen(Sales director)
Email:
sales01@hydsunrida.com
Mobile No.:+86-15889395318
Wechat:15889395318
Add:No.7, Zhongxin Village, Luozu Community,Shiyan Street, Bao’an District, Shenzhen City of PRC.
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LD-A11VO145 Axial Piston Variable Pump
LD-A11VO145 Axial Piston Variable Pump
A11VO145 Hydraulic Piston Pump | 145cc OEM Replacement Pump | HYDSUNRIDA
Description: HYDSUNRIDA LD-A11VO145 swash plate axial piston pump, 145cc displacement, max 350bar continuous working pressure. 1:1 drop-in replacement for heavy-duty construction machinery open hydraulic circuits. ISO9001:2015 & SGS certified, factory direct supply, in stock, fast global lead time and full worldwide after-sales service.
Product Overview
HYDSUNRIDA is a professional hydraulic component manufacturer with more than 10 years of R&D and mass production experience. LD-A11VO145 is a fully interchangeable aftermarket pump designed to replace original A11VO145 pumps. Built with swash plate variable displacement structure, this pump is specially developed for open-circuit hydraulic systems of heavy mobile machinery. All mounting flanges, spline shafts, port layouts and performance curves are fully consistent with the original pump. No mechanical modification is required during replacement, effectively cutting equipment downtime and spare parts procurement costs.
Core Technical Specifications
| Item | Standard Parameter |
|---|---|
| Base Model | LD-A11VO145 |
| Max Theoretical Displacement | 145 cm³/rev |
| Rated Continuous Pressure | 350 bar |
| Instant Peak Pressure | 400 bar |
| Applicable Hydraulic Circuit | Open Circuit |
| Max Rated Full-Displacement Speed | 2200 rpm |
| Max Short-Time Allowable Speed | 2500 rpm |
| Max Theoretical Output Flow | 319 L/min |
| Max Output Power at 350bar | 186 kW |
| Net Weight | 73 kg |
| Drive Design | Full through-drive, supports series assembly of auxiliary gear pumps or secondary piston pumps |
| Available Control Types | DR Constant Pressure, DRS Constant Pressure with Stroke Limiter, DRG Constant Pressure with Pressure Cut-off, LRDS Load Sensing Constant Power, LRDU2 Power Cut-off Load Sensing, LRDH Power Controller with Stroke Limiter, HD Pilot Pressure Control, EP Electro-Proportional Control |
Core Product Advantages
1:1 Plug-and-Play InterchangeabilityIdentical installation dimensions, spline specifications and oil port layout as original A11VO145 pumps. Direct installation without any mechanical alterations, minimizing equipment downtime and maintenance expenses.
Ultra Heavy-Duty & Long Service Life StructureForged high-strength alloy cylinder block, ultra-precision machined piston slipper pairs, reinforced heavy-load bearings and high-performance wear-resistant sealing kits. Stable continuous operation under high-pressure heavy loads, featuring low internal leakage and extended service lifespan.
Rigorous Global Standard Quality InspectionAll pumps are manufactured under strict ISO9001:2015 quality management systems and pass full SGS certification. Every finished pump undergoes independent pressure resistance testing, complete flow calibration and long-cycle durability testing before shipment, ensuring stable and reliable performance.
Modular Multiple Control Solutions for Diverse Heavy MachineryDiversified modular control configurations meet all flow, pressure and power regulation requirements of heavy construction equipment, ideal for large concrete pump trucks, underground mining loaders, roadheaders, wet shotcrete machines and heavy road rollers.
Factory Competitive Strengths
Direct Source Manufacturer: Independent in-house R&D, production and professional testing workshops without intermediate distributors markup
Sufficient Ready Stock & Short Lead Time: Mass inventory of all standard control versions supports fast global sea and air shipping
Highly Competitive Factory Price: Manufacturer produces and sells products directly
Comprehensive Global After-Sales Support: 12-month worldwide warranty and one-stop professional technical consultation & troubleshooting service
Typical Application Scenarios
Large concrete pump trucks, underground mining loaders, roadheaders, wet shotcrete machines, heavy road rollers and all heavy mobile construction machinery equipped with open-circuit hydraulic systems.
Popular Complete Full Model Numbers Widely Used in Global Markets
DR Constant Pressure Control
LD-A11VO145DR/11R-NZG12N00 LD-A11VO145DR/11R-NSD12N00 LD-A11VO145DR/11L-NZD12K07 LD-A11VO145DR/11R-NZG12K01-S
DRS Constant Pressure + Stroke Limiter
LD-A11VO145DRS/11L-NSD12N00 LD-A11VO145DRS/11L-NSD12K17 LD-A11VO145DRS/11R-NSD12K04
DRG Constant Pressure + Pressure Cut-off
LD-A11VO145DRG/11R-NZD12K04 LD-A11VO145DRG/11L-NZD12K04
LRDS Load Sensing Constant Power
LD-A11VO145LRDS/11R-NZD12N00 LD-A11VO145LRDS/11R-NSD12K02 LD-A11VO145LRDS/11R-NZG12K07 LD-A11VO145LRDS/11R-NSD12K17-S
LRDU2 Power Cut-off Load Sensing
LD-A11VO145LRDU2/11R-NZD12K03 LD-A11VO145LRDU2/11R-VZD12K03 LD-A11VO145LRDU2/11R-NZD12K02P-S
LRDH Power Controller with Stroke Limiter
LD-A11VO145LRDH1/11R-NZD12K01 LD-A11VO145LRDH2/11R-NZD12K02 LD-A11VO145LRDH2/11L-NZD12K02
HD Pilot Pressure Control
LD-A11VO145HD1/11R-NZD12N00 LD-A11VO145HD2/11R-VZD12N00 LD-A11VO145HD1D/11R-NPD12N00
EP Electro-Proportional Control
LD-A11VO145EP2/11R-NPD12N00 LD-A11VO145EP2D/11R-NZD12K07P LD-A11VO145EP6D/11L-NSD12K04P-S
LD-A11VO145 axial piston variable hydraulic pump, 145cc displacement, ISO9001 & SGS certified 1:1 interchangeable heavy construction machinery pump, HYDSUNRIDA factory direct ready stock
