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Holiday Gift Guide Baumalight S40 High Performance Stump Grinder For High Flow Skid Steers Series [aIq5F6mN]

$100.99 $323.99 -69%

Maximum Power & Efficiency for Demanding JobsThe Baumalight S40 High-Performance Skid Steer Stump Grinder is designed for serious operators who need top-tier power, speed, and chip control. Outfitted with an industry-leading bent axis piston mot

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Holiday Gift Guide Baumalight S40 High Performance Stump Grinder For High Flow Skid Steers Series [aIq5F6mN]

Maximum Power & Efficiency for Demanding Jobs


The Baumalight S40 High-Performance Skid Steer Stump Grinder is designed for serious operators who need top-tier power, speed, and chip control. Outfitted with an industry-leading bent axis piston motor, this unit converts your skid steer’s hydraulic output into maximum torque for rapid stump removal. Matched to your flow specs, the S40 grinds through tough stumps with ease using a 1.25" thick steel rotor and 12 aggressive high-speed teeth.

  • Bent axis piston motor – highest efficiency and durability
  • 2" cutting depth per pass with dual-direction grinding
  • Dual swing cylinders for smooth and fast operation
  • Optimized for high-flow skid steers – up to 40 GPM and 4000 PSI

Built Tough with Visibility and Safety in Mind


The dual swing cylinder design allows better control and faster root grinding. The rotor's massive thickness ensures momentum for cutting, while the dual-row chain curtain Blast Shield protects you and contains debris. The hinged shield also swings up for easier access to tight spaces and simplifies maintenance.

  • Excellent operator visibility for precision work
  • Extra-large blast shield with dual chain rows for chip control
  • Hinged design for access and tight area grinding
  • Double-shielded hydraulic hoses for added safety

Durability, Simplicity, and Easy Maintenance


Designed for professional-grade use, the S40 includes high-speed carbide-tipped teeth that can be rotated up to three times for extended life. The bolt-on design allows quick in-field replacement. A built-in compartment stores 3 FREE replacement teeth and 1 extra holder. AUX electrical plug is standard, or add the D004460 hand control for older skid steers (USD $276.49).

  • Rotor: 1.25” thick steel – ultra-rigid and powerful
  • Free teeth kit included for convenience
  • Auxiliary electrical plug standard for easy in-cab control
  • Optional hand control adapter available for legacy machines

Specifications


Specification S14 S16 S18 S22 S24 S28 S40
Recommended HP Size Mini Skidsteer Mini Skidsteer 25–80 25–65 30–80 50–120 50–120
Maximum Carrier Size Check GPM & PSI
Motor Type Gerotor Bent Axis Piston Gerotor Gerotor Gerotor Gerotor Bent Axis Piston
Hydraulic GPM Check Stump Cutting Size Chart
Hydraulic Couplers Included Included Not Supplied Not Supplied Not Supplied Not Supplied Not Supplied
Rotor Size 18″ 18″ 24″ 24″ 24″ 24″ 24″
Number of Teeth 12 24 34 34 34 34 12
Tooth Part Number H3000 H3000 S1000 S1000 S1000 S1000 H3000
Tooth Construction High speed High speed Planer Planer Planer Planer High speed
Cutting Wheel Speed Depends on GPM
Cutting Height - Above Ground No limit
Cutting Depth - Below Ground 6″ 6″ 10″ 10″ 10″ 10″ 24″
Max Cutting Depth - Per Pass 2″ 2″ 5″ 6″ 6″ 6″ 2″
Maximum Horizontal Cut 12″ 12″ 22″ 22″ 22″ 22″ 22″
Swing Arc Self-feeding 56° Self-feeding 60° 60° 63° 85°
Over Torque Protection Relieve valve
Hitch 1″ pivot pins Mini Plate 1″ pivot pins Quick Attach Quick Attach Quick Attach Quick Attach
No. of Remotes Required - Hydraulic 1
Requires 12 Volt DC No Yes No Yes Yes Yes Yes
Minimum Required Amps - 30 amps - 30 amps 10 amps 10 amps 10 amps
Unit Weight (Shipping) 394 lbs 400 lbs 642 lbs 760 lbs 995 lbs 995 lbs 1,200 lbs

Motor options - stump cutting time chart


Skid Steer stump cutting times based on 24″ stump
Motor Case Drain PSI 12 GPM 15 GPM 20 GPM 25 GPM 30 GPM 35 GPM 40 GPM 50 GPM CC Motor Type / RPM
S508 (S16) Critical 2,500 40 min 30 min 20 min -- -- -- -- -- 25 Piston / 2700 RPM
3,000 30 min 25 min 15 min -- -- -- -- --
S445 (S24) Recommended 2,500 -- 60 min 40 min 35 min -- -- -- -- 125 Roller Vane / 520 RPM
3,000 -- 50 min 30 min 30 min -- -- -- --
3,500* -- 50 min 30 min 30 min -- -- -- --
S545 (S24) Recommended 2,500 -- 80 min 40 min 35 min 25 min 20 min -- -- 130 Roller Vane / 700 RPM
3,000 -- 70 min 30 min 30 min 20 min 16 min -- --
3,500* -- 60 min 30 min 30 min 20 min 16 min -- --
S645 (S28) Recommended 3,000 -- 40 min 40 min 25 min 15 min 12 min 10 min 130 Roller Vane / 540 RPM
3,500 -- -- 30 min 20 min 12 min 10 min 8 min
S740 (S40) Critical 2,500 -- -- 30 min 15 min 12 min 10 min -- -- 56 Piston / 2100 RPM
3,000 -- -- 25 min 12 min 10 min 8 min -- --
3,500* -- -- 23 min 10 min 8 min 6 min -- --
S770 (S40) Critical 2,500 -- -- -- 30 min 20 min 9 min 8 min 7 min 84 Piston / 2000 RPM
3,000 -- -- -- 25 min 15 min 7 min 6.5 min 6 min
3,500* -- -- -- 23 min 10 min 5 min 4.5 min 4 min

* Motor will run at this PSI but excess pressure is dumping over relief.


Frequently Asked Questions


For custom-built products:

Orders can be canceled and refunded before production begins. Once manufacturing starts, the order is non-refundable.

For standard products:

Unused items can be returned within 30 days of delivery.

Read the full return policy here.

Availability varies by manufacturer. Some keep attachments in stock, while others begin production only after receiving an order. If your item needs to be manufactured, please allow 3–6 weeks for production before it ships.

For in-stock items, orders typically ship within 1–2 business days. Once shipped, delivery usually takes 4–6 business days, depending on your location.

Total estimated delivery time: 5–8 business days (for in-stock items)

See our Shipping & Delivery page for full details.

Baumalight designs and manufactures all of their attachments in Ontario, Canada.

Yes. Compatibility is confirmed before we finalize your order. We may reach out for more details if needed.

Need help confirming compatibility? Contact us here or call (800)-331-2926.

All products include a manufacturer's warranty unless otherwise noted.

See full Baumalight warranty info here.

What Our Customers Say

January 24, 2026

Absolutely no complaints!

It’s a very smart design. And it works well.

- Amara E..

January 24, 2026

Absolutely no complaints!

I am so glad that I went and bought it.

- Gwendolyn B..

January 24, 2026

Absolutely no complaints!

This is a very good product and its whole purchase.

- Tori K..

Write a Review

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