Baumalight S40 Skid Steer Stump Grinder, S740 or S770 Piston Motor

$10,331.00 USD

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Motor S740 S770

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Baumalight S40 Skid Steer Stump Grinder, S740 or S770 Piston MotorSelected: S740

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Description

The Baumalight S40 uses a bent-axis piston motor and dual hydraulic swing cylinders to move its cutting head across stumps and surface roots. The 85-degree swing supports cutting in both directions while the skid steer stays in place. Both motor configurations include the skid steer mounting adapter.

A 1¼-inch steel rotor carries 12 H3000 teeth with concave carbide tips. Each tooth has three usable cutting-edge positions; indexing the tooth exposes a fresh edge before replacement. The hinged shield opens for access to the cutting wheel, while two rows of chain curtains help direct chips during grinding.

Select the motor to match the carrier’s available flow and pressure. The S740 has a 20–35 GPM selection guide; the S770 extends the charted selection to 25–50 GPM. Both require a case drain. A flow divider balances oil between the rotor and swing cylinders so swing feed can be adjusted to the cutting load.

S40 specifications and motor choices

Specification	Details
S740 motor selection guide	20–35 GPM
S770 motor selection guide	25–50 GPM
Motor design	Bent-axis piston
Cutting wheel	24-inch diameter, 1¼-inch steel
Teeth	12 H3000 concave carbide teeth; 3 cutting-edge positions
Swing	Dual hydraulic cylinders; 85-degree arc
Maximum horizontal cut	22 inches
Mounting adapter	Included; skid steer Quick Attach
Electrical supply	12V DC, 10A minimum
Case drain	Required with either motor
Hydraulic couplers	Not included

Send us your skid steer model, hydraulic flow and pressure, electrical connector and case-drain details. We’ll match the motor using Baumalight’s S40 selection chart. The S40 operator’s manual covers the connections and tooth-indexing system.

Payment, Financing & Reservations

Pay by card at checkout, or choose Reserve for $0. We’ll confirm the product, selected options, availability, taxes, and pickup or delivery. Reservations are held for 7 days.

After confirmation, you can arrange payment by check, ACH or wire transfer, or discuss financing. Financing may be available when at least $5,000 of qualifying equipment is financed, subject to credit and underwriting approval.

Shipping & Delivery

We ship parts and equipment nationwide by parcel or freight. Pickup is available at our Henderson, Iowa store. We’ll confirm timing and the fulfillment plan with you before your order is released.

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Sales, Parts, & Warranty Support

Talk with our equipment and parts team before you order. We can help compare models, explain the listed configuration, or review a part number with you.

Our Henderson, Iowa team includes dedicated parts and warranty staff. If you need a replacement part or help with a manufacturer warranty question, contact us with the model and serial number of your equipment.

Call 712-566-1033 or use the specialist button above. Meet our support team.

13,000 customers served

Family owned in Henderson, Iowa

“Excellent service before and after the sale, very knowledgeable about the products they offer.”

Billy H.

Two Keast family members outside the Keast Enterprises store

Family-owned since 1980

Built on a family farm. Grounded in practical service.

The Keast family's farming roots in Southwest Iowa reach back to the 1870s, when Thomas Keast settled near Macedonia. Russ began selling equipment on the family farm in 1980, bringing firsthand experience and a practical understanding of how machinery needs to perform in the field. Today, Keast Enterprises serves customers across the country, with the same dedication to fair prices, dependable support, and quality products.

Support before and after your order