604-0475 604-0476 604-0477 604-0478 Charlynn 2K Motor Low Speed High Torque
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604-0475 604-0476 604-0477 604-0478 Charlynn 2K Motor Low Speed High Torque

604-0475 604-0476 604-0477 604-0478 Charlynn 2K Motor is an OEM-grade low speed high torque (LSHT) hydraulic drive core component from the classic Charlynn 2K series. Engineered for heavy-duty industrial and construction equipment, it delivers stable, high-torque power output for low-speed operation scenarios, adheres to Charlynn’s original manufacturing specifications, and supports direct drop-in replacement for matching machinery hydraulic systems.
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Product Introduction

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Technical specifications

 

psd1
Features Char_lynn2000
Application Harvesting Equipment,sweeper Machines
Displacement 200cc
Max.speed(rpm) Cont.385rpm/int.577rpm
Max.torque(N.m) Cont.540N.m/int.665N.m
Max.pressure Drop Cont.20.5Mpa/int.26Mpa
Oil Temperature Normal-35℃-80℃
Viscosity 42-74mm2/s
Highlight low speed high torque charlynn motor, 604-0477 charlynn motor, 604-0478 char lynn hydraulic motor

Product Overview

 

Eaton Char-Lynn 2K series is a well-known low-speed high-torque hydraulic motor, famous for its disc valve distribution technology and Geroler roller star wheel mechanism. This series achieves excellent power density and extremely high starting and operating efficiency in a compact size. It is particularly good at stably outputting strong torque at extremely low speeds and can directly drive loads, eliminating the need for additional reduction mechanisms. The 604-0475 to 604-0478 you inquired about are four consecutively numbered models in this series, which usually represent specific configurations with differences in displacement, output shaft type, or installation interface under the premise of a consistent core platform.

 

Features and Advantages

 

• Classic diamond design: Featuring the iconic two-hole diamond mounting flange, it has a compact structure and flexible installation, achieving maximum torque output in limited spaces.
• True low-speed and high-torque performance: The cycloidal mechanism provides high starting torque and excellent low-speed operation stability, enabling smooth operation at as low as a few revolutions per minute without  creeping Phenomenon.
• High power density and economy: It delivers leading torque output with the same overall dimensions, along with mature manufacturing, low maintenance costs, and excellent total cost of ownership.
• Wide applicability: With a robust design and strong anti-pollution capability, it can adapt to relatively harsh working environments.
• Mature maintenance system: Spare parts with part numbers like 604-047X are easily available in the global supply network, making equipment maintenance and lifecycle extension simple and efficient.

 

Application fields

 

As one of the most versatile LSHT motors, the 2K series is widely used in:
• Agricultural machinery: Travel drive or rotation of working components in combine harvesters, seeders, fertilizer applicators, and irrigation equipment.
• Construction machinery: Vibration wheel drive of small road rollers, concrete mixing drums, and light winches.
• Material handling: Conveyor belt drive, forklift steering systems, and rotating platforms.
• Industrial equipment: Mixers, tilters, and automatic door drives.

 

Detailed Specifications

 

Brand XLF Hydraulic
Displacement 200cc
Product Type Simple product
Features Black Paint
Mount Standard 4bolt flange
Ports 7/8-14 St.Thd. O-Ring
Supplier Part Number 604-0475
Product Weight 24.00 lbs

 

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Main specification

 

TYPE

BMK2
125CC

BMK2

160CC

BMK2
200CC

BMK2
250CC

BMK2
315CC

BMK2
400CC

BMK2

475CC

Displacement(ml/r) 129.8 156.8 193.4 242.5 304.3 390.8 485

Max.Pressure.Drop(Mpa)
cont. 21 20.5 20.5 20.5 21 15.5 12
int. 31 26 26 26 24 17 14
peak. 31 31 31 31 31 20.5 17
Max.Torque(N.m) cont. 385 455 540 660 765 775 845
int. 560 570 665 820 885 925 930
Speed.Range(r/min) cont. 576 477 385 308 246 191 153
int. 720 713 577 462 365 287 230
Max.Flow(cont.)(L/min) cont. 75 75 75 75 75 75 75
int. 95 115 115 115 115 115 115
Weight(kg) 10 10.2 10.5 11 11.5 12 12.4

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