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

Technical Parameters

| 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












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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