Danfoss Series 51 Axial Piston Hydromotors

Well proven, high power regulated displacement hydraulic motors of bent-axis design.

Quantity
Available to order


Description

Well proven product family among the Danfoss high power axial piston motors.
- Designed with high power closed circuit drives in mind (but applicable in open circuit as well)
- For new, OEM projects we recommend it's successor product: Series H1B

Properties: 
- Popular pump family used by the most powerful machinery brands
- Capacity: regulated, max. displacements: 60, 80, 110, 160 or 250 cm3
- Control options include 2-position, prop. and self-controlling versions
- Control input signals can be hydraulic or electric
- Speed sensor available
- Different shaft options
- Different hydraulic port options and directions
- Additional options in the Technical Information catalog below
- Good serviceability, with quick delivery of spare parts (in many cases from our stock!)

Application examples: 
- Propulsion systems in construction-, agricultural-, forestry and other mobile machinery
- High power shredders, crushers
- High power hydraulic winch drives
- Concrete pumps
- etc.

Danfoss Series 51 Axial Piston Hydromotors Technical Information

Model of hydromotor 51#060... 51#080... 51#110... 51#160... 51#250...
Mounting flange SAE / DIN / cartridge SAE
Hydraulic size
[cm3/rev]
60.0 80.7 109.9 160.9 250.0
Corner Power
(theoretical) [kW]
336 403 492 644 850
Rated speed
(max. - min. angle)
[rpm]
3600 - 5600 3100 - 5000 2800 - 4500 2500 - 4000 2200 - 3400
Max. allowable speed
(max. - min. angle)
[rpm]
4400 - 7000 4000 - 6250 3600 - 5600 3200 - 5000 2700 - 4250
Max. intermittent pressure
[bar]
480 480 480 480 480
Rated pressure
[bar]
510 510 510 510 510
Min. pressure
in return line
[bar]
10 10 10 10 10
Theoretical torque
(max. angle)
[Nm/bar]
0.95 - 0.19 1.28 - 0.26 1.75 - 0.35 2.56 - 0.51 3.98 - 0.80
Product Details
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