International Marketing Office for Sittler Compost Equipment

Sittler Quality Windrow Turners Model #509
NEW Hydraulically Assisted (HA) Option Eliminates the need for a Creeper Gear in your Tractor
Sittler Windrow Turner Model #509, shown above, is ideal for small to med farm, municipal and industrial composting.

Reliable, efficient, economical, low-maintenance, and long-lasting. Extra-hardened, replaceable steel blades are uniquely positioned on the drum to allow for complete blending right to the base of the windrow. Material from the outside is brought inward and from the bottom to the top forming a peak position, allowing the windrow to have a chimney effect for CO2/oxygen flow.

Optional Hydraulically Assisted Feature NOW Available for #512 & #509 Compost Turners
Eliminates the Need for a Tractor with a Creeper Gear
Turner wheels are hydraulically driven with the power coming from the tractor. To begin composting, insert a pin on both sides to engage drive on left and right wheels. The machine will move forward while the tractor transmission remains in neutral. The machine is operated by hand controls situated immediately behind the tractor operator at a convenient height. One remote is required, the remote valve on the tractor must remain in a positive or ‘on’ position.


The drum is designed to aerate all the compost and create a peaked windrow allowing for maximum air flow.

Turner folds conveniently for shipping.

Rectangular box for connector-3/8x6 in front, 1/4x12 on side enclosed for protection gives more strength and stability. Low swing cylinder. 3-piece rubber flap, one on each side and one across the top to contain compost. 2 front scrapers keep the windrow uniform.

Hydraulics allow the tractor to fit snug against the windrow.

Optional water injection system with galvanized elbows. 3 water spray nozzles for model 512 inside the compost processing area, known as the tunnel, allow for appropriate adjustable moisture to be applied to the compost. The 509 has 2 nozzles and the 507 has 1.

The blade has be redesigned to create more durability. The blades can be rotated allowing for longer life span.

Special housing encloses the bearings and shaft to protect the mechanisms from dust and debris. Right hand shield is removable. PTO – right hand end is a shear bolt arrangement with shear bolt protection.


Standard fleece roller for 512 and 509 threading frame allows the operator to raise and lower the compost cover or fleece while the drum turns the windrow. The machine has a dry roller which rolls by friction. Covers help retain moisture and N and are UV protected, with a five year warranty.

The machine can be raised and lowered for transport and maneuverability. Technical support, including database calculations and consultations for making quality compost available. All machines come with one year warranty.

Sittler manufacturing has been designing and building machinery for over 35 years. Quality, affordable craftsmanship with innovative design.

To order, or for more information please email: sales@globalrepair.ca, or call 1-866-271-0719, 1-416-686-3690,
fax 1-416-686-1744