BM6 Series Hydraulic Orbit Motor – BM6/BMT/OMT 6K Series (245-985)
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BM6 Series Hydraulic Orbit Motor – BM6/BMT/OMT 6K Series (245-985)

The BM6 Series Hydraulic Orbit Motor covers the full BM6/BMT/OMT 6K range with displacements from 245 to 985 mL/r. Engineered with precision orbital gerotor technology, it delivers stable low-speed high-torque output, strong impact resistance and high efficiency. Fully interchangeable with standard 6K motors, it is ideal for diverse mobile and industrial hydraulic drive applications.
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Product Introduction

Wuhan Xinlaifu Hydraulic Equipment Co., Ltd. is one of the leading manufacturers and suppliers of bm6 series hydraulic orbit motor – bm6/bmt/omt 6k series (245-985) in China. With abundant experience, we warmly welcome you to buy high quality customized products at competitive price from our factory. Also, OEM&ODM service is available.

 

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Technical Parameters

 

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Categories Hydraulic Heavy Motor
Name BM6-390
Max.speed Cont.370rpm/int.570rpm
Max Torque Cont.1120N.m/int.1625N.m
Flange Square Flange
Shaft Straight Key Shaft
Highlight BM6 Series Hydraulic Orbit Motor, BMT Series Hydraulic Orbit Motor, BM6 Series Orbit Hydraulic Motor

Product Overview

 

The BM6 series cycloidal hydraulic motor is a low-speed, high-torque hydraulic motor with large displacement and end face distribution, covering a displacement range from 245 cm³/rev to 985 cm³/rev. This series is fully compatible with the BMT and OMT 6K series. It adopts advanced disc-type distribution and Inserted tooth stator and rotor (Geroler) technology, featuring a pressure compensation function, which enables it to output stable and powerful torque. Its robust double-bearing support structure and integrated flange design make it particularly suitable for working conditions that need to withstand high radial loads and frequent commutation impacts, such as construction machinery, agricultural machinery, lifting and transportation equipment, and heavy industrial vehicles.

 

Core Features

 

1. Advanced End Face Porting and Insert Tooth Technology
Automatic wear compensation: Adopting an end face port plate design, it features high porting precision, can automatically compensate for wear during operation, and ensures long-term maintenance of high volumetric efficiency and stable performance.

High starting torque and smoothness: Using an insert tooth stator-rotor pair (Geroler), it operates smoothly with a long service life. The optimized parameter design enables low starting pressure, and it can output smooth and continuous torque even at extremely low speeds.

High working efficiency: It can maintain constant operating torque within a wide speed range, with high volumetric efficiency and mechanical efficiency.

2. Robust Load-Bearing Structure
Dual bearing support: The flange and housing are integrally designed, and the output shaft is supported by heavy-duty tapered roller bearings, which can withstand extremely high radial and axial loads, suitable for direct drive applications of heavy-duty vehicles.

Adaptability to reversing impact: The robust structural design enables it to withstand frequent reversing impacts, making it suitable for operation under complex working conditions.

High-strength housing: Made of high-strength cast iron material, it is wear-resistant and corrosion-resistant, adapting to harsh outdoor and industrial environments.

3. Flexible Configuration and Compatibility
Wide international interchangeability: It has good interchangeability with the same type models of internationally renowned brands such as Danfoss OMT series, Eaton Char-Lynn 6000 series, and M+S.

Multiple installation options: Provide various configurations of mounting flanges (such as SAE-C 4-bolt square flange), output shafts (flat key, spline), and oil ports (G thread, SAE O-ring) to meet the integration needs of different equipment.

Series/parallel use: The motor allows series or parallel use in hydraulic systems, and an external drain pipe must be connected when used in series.

 

Application fields

 

The BM6 series, with its high torque and strong load-bearing capacity, is widely used in medium and heavy-duty equipment:

1. Engineering and construction machinery
Crawler drive: Travel drive for heavy-duty vehicles (such as skid steer loaders, small crawler excavators).

Rotary drive: Rotating mechanism of drilling rigs and trenchers.

Attachment drive: Skid steer loader attachments such as heavy-duty brushes, milling machines, and augers.

2. Agricultural and forestry machinery
Combine harvesters: Travel drive and header drive.

Silage harvesters: Header and material conveying drive.

Large feed mixers: Auger drive.

Logging winches: Forestry traction equipment.

3. Material handling and lifting equipment
Large forklifts: Travel drive systems.

Telehandlers: Wheel hub drive.

Hydraulic winches: Traction and hoisting mechanisms

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Main Specificaion

 

Type

BM6

195

BM6

245

BM6

310

BM6

390

BM6

490

BM6

630

BM6

800

BM6

985

Actual displacement (cm³/rev.)

195.7

246.2

311.7

391.4

491

623.2

802.6

982

 

Maximum speed (rpm)

Continuous

745

590

466

370

300

235

182

150

intermittent

860

824

710

570

454

355

275

225

 

Maximum torque (N.m)

Continuous

560

705

892

1120

1410

1550

1580

1850

intermittent

840

1060

1325

1625

1870

1900

1700

1850

Maximum working pressure difference (MPa)

Continuous

20

20

20

20

20

17.5

14

14

intermittent

30

30

30

30

27.5

22.5

15.5

14

Peak

30

30

30

30

30

24

17.5

17

 

Maximum flow (L/min)

Continuous

150

150

150

150

150

150

150

150

intermittent

170

205

225

225

225

225

225

225

 

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