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RBA | Round Bale Unroller
The RBA round bale unroller is exceptionally well-suited for opening bales of silage, hay and straw and allows for particularly quick and clean fodder distribution without much effort. The pulper is also optimally suited for short, long, cut or uncut fodder and even for tightly compressed bales.
Highlights
Scraper floor
Aided by a scraper floor the bale is pressed onto the spring tines and then placed in rotary movement. This process opens the bale uniformly and completely.
Variable attachment system
The variable attachment system makes it possible to spread the fodder from three directions simply by changing the position of the hydraulic hoses.
Hydraulic loading arm
The hydraulic loading arm picks the bales up in a snap. This eliminates the need for an additional vehicle. Mounting the loading arm on the other side only requires a few simple steps.
Radio remote control
You can control the RBA using a compact control unit with wireless operation from the tractor or even from outside the tractor. The associated control device is mounted on the RBA.
For operation with a wheel loader or telescopic loader, a single-acting control device with free return, as well as a 12-volt connection are required.
Manual controcl valve
The manual control valve allows the operator to control the bale opening device from the tractor cab.
RBA Video
Basic Model
Base unit without three-point linkage
Scraper floor with curve-controlled pick-up
Technical data (Basic model)
| Basic device | With gripper & forklift tines | |
| Weight | 520 kg | 760 kg |
| Length | 1,600 mm | 1,800 mm |
| Width | 2,100 mm | 2,230 mm |
| Height | 1,100 mm | 1,477 mm |
| Bale weight | up to 1,000 kg (2,200 lbs) | up to 1,000 kg (2,200 lbs) |
| Shortened version | The width is reduced about 300 mm (12") |
Required connections
| 1 pressure connection and 1 depressurized return |
Possible attachments
| Weiste-Triangle Cat. II adapter – only in conjunction with three-point linkage |
| Other attachments – on request |
| Overview Mounting options |
Additional equipment
Cat. II three-point linkage with stacker collet
Hydraulic loading arm
With 2 load cylinders and 1 telescopic cylinder (loading arm can be
reattached on the opposite side with a few hand movements).
Double-acting hydraulic control device required.
Spreader attachment
Fixture for evenly spreading straw
Hydraulic cylinder - spreader attachment
Quantity control valve RBA
For adjusting the speed of the scraper floor and of the
pick-up
Quantity control valve for spreader attachment
Only in combination with quantity control valve RBA
Electric drive
Composed of 4 kW electric motor with hydraulic pump, return filter
and hydraulic oil tank as well as control device for scraper floor
Chassis height-adjustable including drawbar
Drawbar combined with drawbar eye D40
and tractor linkage drawbar, mechanical support for
bale pick-up
Double-acting hydraulic control device required.
Chassis height-adjustable with swivel wheels
Double steering wheels (for operation in conjunction with smaller tractors)
Only in conjunction with three-point linkage, top link bolt must be attached
with a chain, not suitable for articulated steering tractors!
Double-acting hydraulic control device required.
Feed chute
Hand control slide valve 2 functions
Hand control slide valve 3 functions
Hand control slide valve 4 functions
Radio remote control 2 sections
Solenoid valve, radio remote control for the load arm
and scraper floor functions.
Radio remote control with joystick, 3 sections
Solenoid valve, radio remote control for the load arm,
chassis and scraper floor functions.
1 pressure connection and 1 depressurized return
FAQ - Frequently asked questions
How does the remote control work with the round bale unroller?
You can control the RBA using a compact control unitwith wireless operation from the tractor or even from outside the tractor. The associated control device is mounted on the RBA. A single-acting control device with a free return and a 12 V connection is required to operate the RBA with a wheel loader or telescopic loader.
Is there a version of the RBA with a swivel device?
The hydraulic swivel device for the spreading attachment is available as additional equipment.
How far is the straw spread with the spreading attachment of the RBA?
The maximum spreading range is approx. 6 – 8 m depending on the opening speed.
