Strength in every fold.
Stack-Fold
Available in single or double beam designs, the Stack-Fold Fertiliser range offers dependable and practical performance for precise fertiliser placement. The compact frame handles well in the field and provides consistent application control in a variety of crop and soil conditions. You can choose 3-point or trailed versions to suit your operation, with the Stack-Fold Single supporting standard row counts and the Stack-Fold Double extending capacity for higher output needs. The Stack-Fold Fertiliser system ensures smooth stable and efficient operation across all conditions.
Stack-Fold Specifications
Developed by Rula Agri to balance strength, flexibility and ease of use, the Stack-Fold Fertiliser range combines durable construction with field-tested innovation. Whether in single or double beam configuration, these frames deliver practical design benefits, steady hydraulic management and adaptable setup options to meet the demands of modern fertiliser application.
Beam Design
High-strength single or dual beams allow use for both planter and strip-till units, ensuring structural durability and versatility.
Lift & Fold System
Single hydraulic cylinder per wing handles both wing-lift and wing-fold functions for energy-efficient operation.
Configuration Options
Available in both 3-point and trailed versions, supporting layouts of up to 12 units (single) or 16 units (double).
FERTILISER APPLICATION
Fertiliser application is done through a 16mm
tine made from Hardox 450 that is also hardfaced
for increased durability. The tine has a
a maximum working depth of 250mm and a
maxiumum break-away force of 500kg.
TINE’S HYDRAULIC BREAK-AWAY ACTION
The hydraulic pressure on the tine assembly is
adjustable through the use of an accumulator.
The positioning of the hydraulic tine within the
parallel link (which is also adjustable) can also
act as a mechanical down/up force on your
seeding unit.
CUTTING COULTER
Coulter is fitted with a spring-loaded cutting
coulter (Ø560) and can be adjusted with ease
(Different coulter options are available).
SEEDING
70 Litre seed hoppers with steel lids as
standard with the option of a central
seeding alternative.
CLOSING SYSTEM
Choose from our various
closing wheel combinations.
DOWN-FORCE/UP-FORCE
The DF / UF system is controlled from a
cab mounted touch screen with in-time
adjustment and data display.
METERING
Use of the popular
Precision vSet 2 seed
meter along with the
Bullseye seed tube
ensures accuracy and
precision.
SEED DISCS
Seed discs (Ø450) are fitted
with a leading edge at 8.5°
furrow opening angle.
WHEEL SPACING
Adjustable wheel spacing
enables a wide & narrow
rolling configuration.
Stack-fold Specifications
Müller Electronic ISOBUS
It provides ISOBUS-compliant control solutions that enable seamless, standardized communication between tractors and implements from different manufacturers. As a pioneer in the technology, it streamlines operations through interoperable terminals, control modules, and advanced sensors.



