Smyth Trailers debut electronic
steering system
Smyth Trailers showcased its new SC50 Supercube Pro for the first time at Grass 2026, which was fitted with the Hydac ADSteer (ADS) electro-hydraulic steering system. Supplied by Distag QCS, Smyth explained that the Hydac ADS system uses hydraulic pressure to control the steering rams on the trailers axles.
Thanks to IsoBus integration and power-beyond connections, Smyth says there is now no need for any mechanical linkage between the tractor and trailer. This removes the traditional steering arm along the drawbar, meaning the tractor can turn tighter to the drawbar.
The ADS system offers three operating modes, all controlled through the IsoBus display. The first is automatic mode (A), where the operator simply drives as normal in both forward and reverse, while the ADS system manages all steering functions.
Using speed and directional sensors on the steering axles, the system continuously adjusts steering. As speed increases, the maximum steering angle is reduced.
Next up is manual mode (M), which allows the operator to override the system and control the axles steering directly. The third and final option is crab-steer mode (C). Smyth says this is ideal for tri-axle setups, with crab-steer mode allowing both steering axles to turn in the same direction, enabling the trailer to move laterally. This helps reduce soil compaction by spreading the load. Smyth says it is also useful in tight yards or gateways to reposition the trailer without risking damage due to tail swing.
HiSpec Kompactor
HiSpec put its K40, 24ft tri-axle Kompactor trailer to work at Grass 2026. It offers the Kompactor in three sizes, the K36, 36m2 22ft tandem axle unit, the K40, 40m2 24ft tri axle unit and the K50, 50m2 28ft tri axle unit.
As the name suggests, the principle behind the Kompactor is to compress the material as its being loaded. HiSpec claims the compaction feature means the payload can be increased by as much as 30%.
The trailer is loaded from the middle to the rear of the body. A moving floor and headboard are manually controlled via a spool using two hydraulic cylinders. These compact the load against the rear tail door, leaving room for more forage. The moving headboard can be used to compact the load on the move as little or often as the operator chooses.
Once compacted, the headboard and floor retract to its original position. In a similar fashion, the trailer is then unloaded by first opening the tail door, and then engaging the rams, which moves the floor and headboard to the rear, which pushes the load out the back of the trailer. A large window is embedded into the headboard for operator vision. The firm says unloading takes in the region of 40 seconds to a minute.
HiSpec. Kompactor silage trailer \ Donal O' Leary
Smyth Trailers debut electronic
steering system
Smyth Trailers showcased its new SC50 Supercube Pro for the first time at Grass 2026, which was fitted with the Hydac ADSteer (ADS) electro-hydraulic steering system. Supplied by Distag QCS, Smyth explained that the Hydac ADS system uses hydraulic pressure to control the steering rams on the trailers axles.
Thanks to IsoBus integration and power-beyond connections, Smyth says there is now no need for any mechanical linkage between the tractor and trailer. This removes the traditional steering arm along the drawbar, meaning the tractor can turn tighter to the drawbar.
The ADS system offers three operating modes, all controlled through the IsoBus display. The first is automatic mode (A), where the operator simply drives as normal in both forward and reverse, while the ADS system manages all steering functions.
Using speed and directional sensors on the steering axles, the system continuously adjusts steering. As speed increases, the maximum steering angle is reduced.
Next up is manual mode (M), which allows the operator to override the system and control the axles steering directly. The third and final option is crab-steer mode (C). Smyth says this is ideal for tri-axle setups, with crab-steer mode allowing both steering axles to turn in the same direction, enabling the trailer to move laterally. This helps reduce soil compaction by spreading the load. Smyth says it is also useful in tight yards or gateways to reposition the trailer without risking damage due to tail swing.
HiSpec Kompactor
HiSpec put its K40, 24ft tri-axle Kompactor trailer to work at Grass 2026. It offers the Kompactor in three sizes, the K36, 36m2 22ft tandem axle unit, the K40, 40m2 24ft tri axle unit and the K50, 50m2 28ft tri axle unit.
As the name suggests, the principle behind the Kompactor is to compress the material as its being loaded. HiSpec claims the compaction feature means the payload can be increased by as much as 30%.
The trailer is loaded from the middle to the rear of the body. A moving floor and headboard are manually controlled via a spool using two hydraulic cylinders. These compact the load against the rear tail door, leaving room for more forage. The moving headboard can be used to compact the load on the move as little or often as the operator chooses.
Once compacted, the headboard and floor retract to its original position. In a similar fashion, the trailer is then unloaded by first opening the tail door, and then engaging the rams, which moves the floor and headboard to the rear, which pushes the load out the back of the trailer. A large window is embedded into the headboard for operator vision. The firm says unloading takes in the region of 40 seconds to a minute.
HiSpec. Kompactor silage trailer \ Donal O' Leary
SHARING OPTIONS