Log Grapples

What are log grapples?

Log grapples grip stems, logs and timber bundles for loading, sorting and forwarding. Curved jaws are designed to retain round material while allowing the grapple to close around both single stems and larger bundles.

This guide is intended as a practical starting point for comparing attachment types. Final compatibility always depends on the exact carrier, mounting interface, hydraulic setup, operating weight and the manufacturer limits for the complete configuration.

Common types and configurations

• Bypass log grapples allow jaw tips to pass each other for small stems and mixed bundle sizes.
• Timber-loading grapples use wide jaw profiles for fast handling from trucks or stacks.
• Excavator forestry grapples may combine robust jaws with rotators for site clearing and tree work.

Names vary between markets and manufacturers. Compare the working principle and rated limits rather than assuming two products with the same general name are interchangeable.

Selection criteria

Opening area

Maximum opening matters, but usable enclosed area and jaw shape determine bundle handling.

Minimum closing

A grapple that closes tightly can control single stems and smaller pieces.

Rotator and suspension

Match bolt pattern, link, rotator capacity and hose routing to the load and carrier.

Load rating

Confirm the grapple, rotator, link and carrier lifting capacity as one system.

Jaw tips

Tip shape and wear protection influence grip, penetration and timber damage.

Working setup

• Centre the load in the grapple instead of lifting from one jaw tip.
• Keep suspended timber low and controlled during travel or slewing.
• Use rotation for positioning, not to twist material against fixed obstacles.

Plan the work area, machine position and material movement before starting. Attachment productivity depends on a stable carrier, correct operator technique and a setup that keeps hoses, couplers and structures away from avoidable impact.

Carrier and hydraulic compatibility

Check the carrier operating weight, lifting chart or rated capacity, approved mounting interface, auxiliary hydraulic flow and pressure, return-line requirements and electrical controls where applicable. Include the attachment, coupler, rotator, adapter and carried material when assessing the complete working load.

A physical connection does not prove compatibility. Use the attachment and carrier documentation for the exact models and configuration.

Maintenance and wear checks

• Inspect jaw pivots, bushings, cylinder mounts, hose guards and rotator connections.
• Check for cracks around jaw tips and high-stress welds.
• Grease regularly because forestry contamination can displace lubricant quickly.

Short daily inspections are particularly valuable on attachments because pins, wear edges, hoses and working tools are exposed directly to impact, contamination and abrasive material.

Questions before choosing

Log grapple or sorting grapple?

Log grapples are shaped for round timber and bundles; sorting grapples are more general-purpose for mixed material.

Do I need a rotator?

Forestry loading commonly benefits from rotation, but the whole suspension system must be rated for the load.

Can one grapple handle a single stem and a full bundle?

Bypass geometry can broaden the useful range, but every model has practical minimum and maximum load sizes.

Before ordering

Ask for the dimensional drawing, attachment weight, rated capacities, hydraulic requirements, mounting information, wear-part list and service intervals. Confirm how the attachment changes the carrier working envelope and whether additional guarding, case drain, electrical control, pressure limitation or hose routing is required.

The related machine, application and category guides shown with this page can be used to compare alternative attachment families for the same job.