The Baumalight 3P40-S1050 Valve Kit (part number: S1050) is an optional external hydraulic control system designed specifically for use with the Baumalight 3P40 HPR — Baumalight's most powerful PTO stump grinder model, built for tractors equipped with a 60–120 HP engine and a 1,000 RPM PTO. At this level of machine, the 3P40 demands two sets of hydraulic remotes to operate both its swing and lift cylinders simultaneously — a setup that many high-horsepower tractors don't offer as standard. The S1050 kit eliminates this limitation by routing both functions through a single, dedicated external valve system, enabling full 3P40 operation from a tractor with only one remote, with no hardware modifications required on the tractor itself.

What makes the S1050 particularly valuable on the 3P40 is the degree of precision it restores to the operator during high-performance grinding. The flow control allows cutting pass speed to be fine-tuned to match the tractor's output, delivering the smoothest possible cut and, with a full return to the start position, the quickest overall stump grinding cycle time. The external control head mounts on a fully adjustable arm positioned close to the operator, making feathering the sweep far more intuitive and responsive than managing it through the tractor's standard remote levers. With a 34" rotor, 52 replaceable carbide teeth, and the ability to grind a 30"-wide, 12"-deep stump in just 2 minutes at 120 HP, precision sweep management through the S1050 ensures every pass on the 3P40 is both fast and controlled.

Baumalight is a Canadian manufacturer of light industrial and agricultural equipment supported by a dealer network across North America, with industry-standard parts used throughout their designs to keep maintenance local and straightforward. One critical purchasing consideration: the cost to add the S1050 in the field is greater than ordering it mounted at the factory, since field installation requires extra freight and a completely new hose set. For any buyer commissioning a new 3P40, specifying the S1050 at the factory order stage is clearly the smarter and more economical choice — factory mounting guarantees correct hose sizing and routing from the moment the unit arrives on site.

Features & Benefits

• Single-Remote Tractor Compatibility — Enables complete 3P40 operation (swing and lift) on tractors equipped with only one hydraulic remote, removing the need for a second remote circuit or tractor upgrade.
• Precision Feathering Beyond Tractor Controls — The external valve provides far smoother, more progressive sweep control than standard tractor remote levers — critical on a machine this powerful where over-aggressive passes can stall the rotor or cause unnecessary wear.
• Adjustable Arm Mounting — The control head mounts on a fully positionable arm, letting each operator dial in their preferred reach and angle for reduced fatigue during high-volume or extended grinding sessions.
• Adjustable Hydraulic Flow Valve — Allows sweep speed to be matched precisely to tractor output and stump hardness, maximising grinding efficiency and protecting the drivetrain across the 3P40's full 60–120 HP operating range.
• Purpose-Built for Baumalight's Highest-HP PTO Model — The 3P40 HPR is Baumalight's most powerful PTO stump grinder, and the S1050 unlocks its full dual-function hydraulic capability on tractors with a single remote — making it an essential pairing for high-performance operators.
• Compatible with Any Transmission Type — The 3P40 works with any tractor transmission type, and the S1050 extends that broad compatibility to tractors limited by remote count rather than power.
• Factory Installation Strongly Recommended — Ordering with the 3P40 at the factory is significantly more cost-effective than field installation, which requires a complete new hose set and incurs additional freight costs.
• Backed by Baumalight's North American Dealer & Support Network — Sold through a trusted network of equipment dealers with local parts availability, right-to-repair instructional videos, and full warranty coverage through your nearest dealer.

Specifications