As we all know,excavator thumbs are the optimal attachment for construction, road construction, forestry, and mining applications. These durable, versatile and wear-resistant thumbs can be used with any bucket, blade, or rake and deliver endless possibilities for your operation.
RSBM’s range of excavator thumbs provides the versatility needed to get the most out of your excavator.The thumb’s rugged design combined with easily maintained parts provide a product that will provide years of productive service, by allowing you to pick and move more material more efficiently.
We offer two types of excavator thumbs:
RSBM’s manual thumbs provide an economical and safe solution to solve job-site material handling needs.the thumbs are welded on to your machine. This is a rigid thumb that does not move with use of hydraulics. There are no special pins or hydraulics required for this thumb.
This thumb pushes against whatever item you are picking up and then close the bucket. The manual thumb you have to push the thumb against the item to be picked up and then close the bucket.
Available for immediate shipping for a wide range of mini-excavators, backhoes, and large excavators.
* Quick and easy installation on dipper stick
* Welded on base plate with no need to remove main pin for installation
* No additional hydraulics or modifications required
* Three pre-set mechanical thumb positions for application versatility
* Over sized pivot pin prevents twisting
* One piece base plate ensures overall strength
* Serrated edge holds material secure to bucket for superior loading
This is your low cost solution when in need of a thumb.
2. Hydraulic thumb
There are 3 type of hydraulic thumb
2.1 Progressive Link:
Lightweight design provides peak machine stability and allows for more payload and lower fuel consumption
Full rotation with bucket allows pickup of items throughout the bucket’s range of motion
Large rod diameter with 1/2″ wall housing
Multiple T-1 steel fingers for rugged construction
Lock-back bracket prevents the thumb from drifting when not in use
Recessed zerk with housing
Threaded six-bolt reinforcement cap
Larger bolt diameter for thumb pin retention
Spherical bearings in the hydraulic cylinder and in the progressive link to thumb
Grease zerks bracket for hydraulic cylinder safety
Thick wall tubing for multiple finger placement
2.2 Pin-on type:
Minimal welding for quick install and less stress on critical boom structures
Field-replaceable components make it easy to replace common wear items onsite with minimal downtime
Efficiently operates on all machines
Integrated design on side plates and fingers for greater strength
Special finger serration for increased holding ability
Minimal welding required for installation onto the machine
Linkage allows a rotation of up to 140 degrees for maximum grappling
2.3 Weld-On type:
Low-profile thumb storage provides improved visibility
Hydraulic action offers versatile thumb positioning
Multi-position thumbs for optimum performance
T-1 steel construction for greater strength and longer wear life
So which thumb will you choose?
Welcome to contact RSBM team and get one for your machine!
Post time: Jul-20-2023