Kenco Hardrock Thumb are available in both mechanical or hydraulic buckets

Pick up and place objects with total control. Excavator thumbs are the essential tool for demolition, land clearing and all picking operations. Choose a mechanical or hydraulic excavator bucket thumb to meet your needs.

The 'Demolition Guaranteed' Kenco Excavator Thumb features:

  • AR 400 steel for greater durability
  • Case-hardened pins
  • Line-bored pin bosses to provide accurate pin alignment and reduced torsional stress
  • Available in both manual or hydraulic models

Increase your versatility and production to get the job done with one machine. Kenco HardRock hydraulic thumbs are built tough to stand up to the most severe demolition conditions.

The design of the Hardrock Thumb allows it to be stored flat against the stick and out of the way whenever the machine is being used for digging purposes or other such operations.

It's always available and ready for service whenever you need it with just the removal of the locking pin.

Increase your versatility and production, and get it done with one machine. Kenco HardRock thumbs are built tough to stand up to the most severe demolition conditions.

KENCO HARDROCK THUMBS ARE AVAILABLE IN BOTH MECHANICAL AND HYDRAULIC MODELS

Excavator thumb attachment widths of 8 inch, 12 inch, 18 inch, 24 inch, 32 inch, 34 inch, and 36 inch are available (dependent on the size of the machine). Purchase both mechanical & hydraulic thumbs for excavators that are perfect for demolition and land clearing.

Kenco also offers a Direct Mount Hydraulic Thumb model. Pricing and availability on request.

MECHANICAL THUMB SPECIFICATIONS

Machine
Class
Thumb Width in inches Thumb Length in inches Thumb Weight in pounds Pin
Diameter
Tine
Thickness
# of
Tines
3-10,000 lb 8 inch
8 inch
28 inches

34 inches

106 lbs

127 lbs

2.00 inches
2.00 inches
0.50 inches
0.50 inches
2
2
10-20,000 lb 12 inch
12 inch

12 inch

35 inches
40 inches

48 inches

297 lbs
350 lbs

390 lbs

2.00 inches
2.00 inches

2.00 inches

.75 inches
.75 inches

.75 inches

2
2

2

20-33,000 lb 18 inch
18 inch
46 inches
56 inches
580 lbs
780 lbs
2.00 inches
2.00 inches
1.00 inches
1.00 inches
4
4
33-40,000 lb 24 inch
24 inch
53 inches
62 inches
890 lbs
980 lbs
3.00 inches
3.00 inches
1.50 inches
1.50 inches
4
4
40-60,000 lb 32 inch
32 inch
58 inches
69 inches
1,070 lbs
1,190 lbs
3.00 inches
3.00 inches
1.50 inches
1.50 inches
4
4
60-80,000 lb 34 inch
36 inch
65 inches
73 inches
1,920 lbs
2,060 lbs
3.50 inches
3.50 inches
2.00 inches
1.625 inches
4
4
80-110,000 lb 34 inch
36 inch
75 inches
84 inches
2,100 lbs
2,950 lbs
3.50 inches
3.50 inches
2.00 inches
2.00 inches
4
4

HYDRAULIC THUMB SPECIFICATIONS

Machine
Class
Thumb Width in inches Thumb Length in inches Thumb Weight in pounds Pin
Diameter
Tine
Thickness
# of
Tines
3-10,000 lb 8 inch
8 inch
28 inches
34 inches
100 lbs
135 lbs
2.00 inches
2.00 inches
0.50 inches
0.50 inches
2
2
10-20,000 lb 12 inch
12 inch

12 inch

35 inches
42 inches

48 inches

280 lbs
330 lbs

365 lbs

2.00 inches
2.00 inches

2.00 inche

.625 inches
0.75 inches

0.75 inches

2
2

2

20-33,000 lb 18 inch
18 inch
50 inches
60 inches
560 lbs
765 lbs
2.00 inches
2.00 inches
0.75 inches
0.75 inches
4
4
33-40,000 lb 24 inch 58 inches 820 lbs 3.00 inches 1.25 inches 4
40-60,000 lb 30 inch
30 inch
62 inches
69 inches
980 lbs
1200 lbs
3.00 inches
3.00 inches
1.25 inches
1.50 inches
4
4
60-80,000 lb 34 inch 63 inches 1980 lbs 3.50 inches 2.00 inches 4
80-110,000 lb 36 inch 84 inches 2995 lbs 3.50 inches 2.00 inches 4