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  7" Dominator 750 cutaway

7" - Dominator 750

Available Shanks:  Sandvik Mission A63-15/SD8

The Dominator 750 offers a class-leading performance. The mining, quarrying, and waterwell industries will all benefit from the reliable design offered by a one piece top-adaptor/air distributor. A reversible cylinder is also fitted to the Dominator 750 to prolong hammer life and reduce costs. A few simple tools are required to
maintain and service the hammer, which makes this hammer user-friendly.

Suitable for operation at air pressures of 100 - 435 psi.
Drilling diameters of 7 1/2 - 12".

Click to enlarge
Dominator 750 Air Consumption table
Figures are based on theoretical data.
One piece top-adaptor reduces internal parts. No make up required. External N.R.V. for easy maintenance.
 
 
 
Revised chamber volumes
and cycle timing to optimize performance.
 
Simplified piston geometry for improved balance and location within the cylinder.
 
Reversible cylinder.
 
 
 
 
 
 
 
 
 

Dominator 750 part breakdown
Hammer Overview
Hammer Type
Dominator 750
Shank
Sandvik Mission A63-15/SD8
Top Thread
4 1/2" API Reg Pin
Flat Hammer Size
4.528"
Weight
363.76 lbs.
Outside Diameter
6.772"
Make Up Length
48.504"
Recommended Minimum Thrust
1760 lbs.
Recommended Maximum Thrust
4400 lbs.
Parts List
Hammer Type
Dominator 750
Shank
A63-15 / SD8
Item
Description
1
Thread Protector
2
Snap Ring
3
O-Ring
4
N.R.V. Seat
5
N.R.V.
6
N.R.V. Spring
7
Top-Adaptor
8
O-Ring
9
O-Ring
10
Spacer
11
Cylinder
12
Piston
13
Snap Ring
14
O-Ring
15
Bit Retaining Ring
16
Chuck Spacer
17
Chuck
18
Cap
Service Kit, Repair Kit, Foot Valve, F/V Tool (Body), and F/V Tool (Pusher) available
info

Drill Bits
Sandvik Mission A63-15 / SD8 Shank
Size
Face Design
Button Type
Button Qty./Dia.
Weight
7 7/8" / 200 mm
Concave
Domed
12 x 16 mm / 9 x 20 mm /
6 x 13 mm
94.80 lbs.
7 7/8" / 200 mm
Concave
Domed
12 x 16 mm / 9 x 20 mm /
6 x 13 mm
94.80 lbs.
8" / 203 mm
Concave
Domed
10 x 20 mm / 14 x 16 mm
95.90 lbs.
8 3/4" / 222 mm
Concave
Domed
24 x 20 mm
102.51 lbs.
10" / 254 mm
Concave
Domed
11 x 16 mm / 18 x 20 mm
124.56 lbs.
10 5/8" / 270 mm
Concave
Domed
34 x 18 mm
125.66 lbs.
12" / 300 mm
Flat
Domed
29 x 20 mm
186.29 lbs.*
*Oversize