Product Introduction
ATUS FR Series Gerolor Orbital Hydraulic Motor adopts integrated roll gerolor rotor design, delivering stable low-speed high-torque output, smooth rotation and low pulsation. It features standard interchangeable mounting dimensions, multiple shaft and port options, widely used for low-speed rotary drive of mobile machinery. Multiple displacement specifications are available for selection.
Technical Specifications:
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Size NG: F74B / F90C
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Displacement(cm³): 74 / 90
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Speed(rpm): 2400 / 2200
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Flow (L/min) : 177.6 / 198
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N.W.(KG): 29.5
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Rated Pressure: 310 / 260 bar
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Reak Pressure: 400 / 350 bar
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Application Field: Used in scraper machinery, such as: loaders, bulldozers, graders
Features
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Integrated gerolor rotor structure with rolling seal design, stable output at low RPM
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Wide displacement range, bidirectional rotation available
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Standard SAE / ISO mounting flange, high interchangeability
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Spool valve distribution, smooth running, low noise
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Compact outline, easy layout for limited installation space
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Optional speed sensor, parking brake and high-pressure shaft seal
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Good anti-shock performance, suitable for harsh working environment
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Modular design for flexible configuration
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High starting torque with low starting pressure
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Strict factory pressure & leakage test
Product Advantages
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Excellent low-speed stability, no crawling under light load
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Strong shock resistance, adapt to frequent forward-reverse switching
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Standard interface, direct replacement for mainstream brands
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Less maintenance cost, easy on-site overhaul
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Wide working temperature range, stable performance in different climates
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Flexible port layout to match different hydraulic circuits
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Long service life with high wear-resistant internal parts
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Support customized shaft, seal and valve options
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High cost performance for bulk procurement
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Fast delivery of common displacement models
Mounting Method
Flange mounting (standard circular flange), shaft connection includes spline shaft and straight key shaft; multiple oil port orientations can be selected according to installation space, with horizontal and vertical installation allowed.
Application Range
Agricultural machinery, road sweepers, small excavators, conveyors, auger drives, winches, forestry equipment, sanitation vehicles and other low-speed high-torque rotary drive systems.
Notes & Service
Please confirm displacement, shaft type, mounting flange, rotation direction and seal material before ordering.
ATUS FR series hydraulic 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.
