Hydraulic piston motor HMV-02 PTO
Circuit
open or closed
Type
variable displacement
Displacement [cc/rev]
105-165
Nominal pressure [bar]
450
Through-Shaft Hydraulic Motor for Open & Closed Circuit PTO Applications
In conventional drive systems, torque from hydraulic motors could only be transferred to cardan shafts via intermediate gearboxes. To further optimize drive system efficiency, LHY Powertrain has developed a breakthrough PTO through-shaft motor solution. Based on our standard Series 02 hydraulic motor with single shaft end, this innovative through-shaft PTO motor features dual shaft ends for torque transmission.
This revolutionary design enables machine engineers to:
Directly integrate hydraulic motors into drive systems
Eliminate intermediate gearboxes
Save valuable installation space
Reduce overall vehicle noise emissions
Lower total production costs
Improve overall system efficiency
Advantages:
- Dual shaft ends – Flexible integration with the drive system.
- Elimination of intermediate gearbox – Space savings and cost reduction.
- Smaller cooler – Reduced cooling requirements.
- Simplified drivetrain design – Fewer components and part numbers.
- Direct drivetrain integration – Easy installation and space efficiency.
- Uninterrupted tractive force – Smooth, stepless operation.
- Increased tractive force / direct drive – Better performance in demanding conditions.
- Improved transmission efficiency – Lower energy losses.
- Reduced overall costs – Lower production and operating expenses.
- Lower fuel consumption – Energy efficiency translates into savings.
- Reduced noise emissions – Quieter machine operation.
| HMV-02 PTO | 105 | 135 | 165 | 210 | 280 | |
|---|---|---|---|---|---|---|
| Max. displacement | cc/rev | 105 | 135.6 | 165.6 | 210 | 281.9 |
| Max. operating speed at Vmax | rpm | 3700 | 3200 | 3100 | 2700 | 2400 |
| Max. speed at Vmax* | rpm | 3800 | 3500 | 3400 | 3000 | 2700 |
| Max. operating speed at Vmin | rpm | 4100 | 3700 | 3500 | 3200 | 2900 |
| Max. speed Vmin* | rpm | 4700 | 4000 | 3900 | 3500 | 3200 |
| Nominal pressure | bar | 450 | 450 | 450 | 450 | 450 |
| Max. pressure** | bar | 500 | 500 | 500 | 500 | 500 |
| Max. housing pressure | bar | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 |
| Output torque ( p=430 bar and Vmax) | Nm | 719 | 928 | 1133 | 1438 | 1929 |
| Corner power (theor.)*** | kW | 309 | 360 | 415 | 482 | 586 |
| Weight approx. (without oil) | kg | 42 | 56 | 76 | 101 | 146 |
* highest transient speed, that can temporarily occur
** highest transient pressure, that can temporarily occur
*** (Vmax x nmax at Vmin x ∆p 430 bar)
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