400cc Hydraulic Motor 2 Bolt Rhomb Flange Pilot 14T Spline Shaft 31.75mm 101.6mm
Wuhan Xinlaifu Hydraulic Equipment Co., Ltd. is one of the leading manufacturers and suppliers of 400cc hydraulic motor 2 bolt rhomb flange pilot 14t spline shaft 31.75mm 101.6mm 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.

Specification Parameters

| Type | Hydraulic Drive Motor |
| Manufacturer | XLF Hydraulic |
| Model No. | BMSY-400-E2B-F-SU |
| Size | 400 Ml/r |
| Replace | Danfoss OMS Series |
| Flange | 2-hole Flange |
| Shaft | 31.75mm Spline Shaft 14T |
| Oil Port | 7/8-14 UNF |
| Drain | 7/16-20 UNF |
| Application | Any Place Need Hydraulic Drive |
| Highlight | 400ml/r 400cc Hydraulic Motor, Pilot 101.6mm 400cc Hydraulic Motor, Hydraulic Motor 2 Bolt Rhomb Flange |
Product Overview
This 400cc hydraulic motor adopts an innovative rhombic double-bolt flange mounting design and is equipped with a 14-tooth spline shaft (31.75mm in diameter, 101.6mm in length). It is specially designed for application scenarios with limited space but requiring high torque output. This product combines a compact installation structure with reliable performance, and is particularly suitable for industrial equipment that requires precise transmission and stable operation.
Features and Advantages
Compact and Innovative Design
• Space Optimization: Unique diamond-shaped double-bolt flange design, saving 40% installation space compared to traditional four-bolt flanges
• Precise Positioning: Built-in φ125mm locating spigot ensures installation coaxiality, reducing vibration and wear
• Spline Advantage: 14-tooth involute spline shaft (compliant with ISO 4156 standard) with a load-carrying capacity 3-5 times higher than that of a flat key
Efficient and Stable Performance
• High Pressure and Efficiency: At a working pressure of 210bar, volumetric efficiency ≥94% and mechanical efficiency ≥90%
• Low-Speed Performance: Optimized flow distribution design ensures stable operation at low speeds without crawling
• Thermal Balance: Built-in spiral flow channel design improves heat dissipation efficiency and reduces temperature rise by 15-20%
Durable and Reliable Structure
• Reinforced Bearings: Combination of large-diameter tapered roller bearings and deep groove ball bearings for balanced axial and radial load-carrying capacity
• Impact-Resistant Design: Optimized R angle at the spline root reduces stress concentration by 30% and enhances impact fatigue life
• Anti-Corrosion Treatment: External surface phosphating + epoxy resin coating, with salt spray resistance test ≥500 hours
Maintenance Convenience
• Modular Sealing: All seals can be replaced from the outside without complete disassembly
• Adjustment-Free Design: Factory preset clearance, no adjustment required during use
• Long-Life Design: B10 life ≥10,000 hours (under rated working conditions)
Application fields
Typical application scenarios
• Construction machinery: small roller drive, concrete mixing and conveying system, paver feeding system
• Agricultural machinery: drive for the header of large harvesters, propulsion system for silage machines, rotary drive for sprinkler equipment
• Material handling: belt conveyor drive, screw conveyor, bucket elevator
• Special vehicles: rotating platform of aerial work vehicles, winch drive of wrecker trucks, brush drive of road sweepers
• Industrial equipment: rotary kiln drive, mixer drive, valve actuator












Specifications
| Type | BMS BMSE 80 |
BMS BMSE 100 |
BMS BMSE 125 |
BMS BMSE 160 |
BMS BMSE 200 |
BMS BMSE 250 |
BMS BMSE 315 |
BMS BMSE 375 |
|
| Geometric displacement (cm3 /rev.) |
80.6 | 100.8 | 125 | 157.2 | 200 | 252 | 314.5 | 370 | |
| Max. speed (rpm) | cont. | 800 | 748 | 600 | 470 | 375 | 300 | 240 | 200 |
| int. | 988 | 900 | 720 | 560 | 450 | 360 | 280 | 240 | |
| Max. torque (N·m) | cont. | 190 | 240 | 310 | 316 | 400 | 450 | 560 | 536 |
| int. | 240 | 300 | 370 | 430 | 466 | 540 | 658 | 645 | |
| peak | 260 | 320 | 400 | 472 | 650 | 690 | 740 | 751 | |
| Max. output (kW) | cont. | 15.9 | 18.8 | 19.5 | 15.6 | 15.7 | 14.1 | 14.1 | 11.8 |
| int. | 20.1 | 23.5 | 23.2 | 21.2 | 18.3 | 17 | 18.9 | 17 | |
| Max. pressure drop (MPa) | cont. | 17.5 | 17.5 | 17.5 | 15 | 14 | 12.5 | 12 | 10 |
| int. | 21 | 21 | 21 | 21 | 16 | 16 | 14 | 12 | |
| peak | 22.5 | 22.5 | 22.5 | 22.5 | 22.5 | 20 | 18.5 | 14 | |
| Max. flow (L/min) | cont. | 65 | 75 | 75 | 75 | 75 | 75 | 75 | 75 |
| int. | 80 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | |
| Max. inlet pressure (MPa) | cont. | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| int. | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | |
| Weight (kg) | 9.8 | 10 | 10.3 | 10.7 | 11.1 | 11.6 | 12.3 | 12.6 | |
* Continuous pressure :Max. value of operating motor continuously.
* Intermittent pressure :Max. value of operating motor in 6 seconds per minute.
* Peak pressure:Max. value of operating motor in 0.6 second per minute.
Detailed Specifications
| model number | BMSY-400-E2B-F-SU |
| displacement | 400 ml/r |
| flange | 2 - hole flange, pilot 101.6*9.4 |
| shaft | 31.75 mm splined shaft 14T |
| oil port | 7/8-14 UNF |
| drain | 7/16-20 UNF |
| rotation | Standard |
| paint | Black |
| replace | Danfoss OMS |
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