Product Introduction
ATUS ER Series orbital hydraulic motor is low-speed high-torque gerotor motor, designed for compact hydrostatic drive systems. It delivers stable high torque at low speed, ideal replacement for original orbital motors, widely adopted in mobile and industrial equipment. Multiple displacement options, shaft and flange configurations are available.
Technical Specifications:
Size NG: E100B / E130B / E147C
Displacement(cm³): 90 / 130 / 147
Speed(rpm): 2450 / 2200 / 2100
Flow (L/min) : 245 / 286 / 308.7
N.W.(KG): 15.3
Rated Pressure: 310 / 260 bar
Reak Pressure: 400 / 350 bar
Application Field: Applied to paving machinery, such as: road rollers, asphalt pavers, dump trucks, etc.
Features
Advanced gerotor gear set with high volumetric efficiency
Low speed, high torque output, smooth rotation at low RPM
Compact structure, light weight and small footprint
Multiple shaft types, mounting flanges and port arrangements
Reversible rotation direction, easy bi-direction control
Built-in pressure relief & anti-cavitation valve optional
Good shock resistance, stable performance under fluctuating load
Wide viscosity adaptation, compatible with common hydraulic oils
Low noise and low pulsation during continuous operation
Standard interchangeable dimensions for direct replacement
Advantages
High starting torque, excellent low-speed stability without crawling
Robust rotor group, long service life under heavy cyclic load
Modular design, flexible configuration to fit custom system layout
Cost-effective import substitution, shorten lead time
Easy maintenance, simple disassembly and on-site repair
Stable leakage control, keep high efficiency for long running hours
Strong anti-contamination capacity, suitable for harsh working site
Multiple sealing options for high temperature and heavy duty conditions
Flexible installation orientation, horizontal or vertical mounting available
Strict 100% pressure testing before delivery
Mounting Method
Standard SAE flange mounting, optional oval flange / square flange installation.
Shaft side can be splined shaft or straight key shaft.
Can be mounted directly on gearbox, wheel hub or machine frame; horizontal and vertical installation are supported.
Correctly align the shaft to avoid radial and axial overloading.
Application Range
Suitable for agricultural machinery, sweepers, road rollers, small excavators, conveyors, winches, feeders, rotary actuators and other low-speed high-torque drive equipment.
Notes & Service
Please confirm displacement, shaft type, mounting flange, port position and rotation direction before ordering.
ATUS ER orbital motors support modular assembly and field maintenance.
We provide professional technical support and reliable after-sales service.
FAQ
Q1: How to verify more realistically that ATUS is a factory?
A1: 1)Welcome to visite ATUS workshop by online video Live.
2)Field visite to ATUS manufacturing workshop
Q2: What is the MOQ ?
A2: MOQ 1 PCS
Q3: Can I mark my own brand on the pump?
A3: Sure. Full order Can mark your brand and code
Q4: How long is your delivery time ?
A4: 1).ATUS warehouse stock 2-3 days. No stock 7-15 days
2).ATUS custom production 7-10 days.
3).Mass production: determined according to the quantity
Q5: What payment method is accepted ?
A5: TT,LC,Western union,Trade assurance,VISA
Q6: How to Place your order ?
A6: 1).Tell us Model number ,quantity and other special requirements.
2).Proforma Invoice will be made and send for your approval.
3).Productions will be arranged upon receipt of your approval and payment or deposit.
4).Goods will be delivered as stated on the proforma invoice.
Q7: What kind of inspection you can provide ?
A7: 1).ISO9000 quality system certification.
2).ATUS is tested from material procurement to finished product by different departments such as QA, QC, and sales representatives to ensure that all pumps are in perfect condition prior to shipment. We also accept inspection by a third party you specify.
