Breakers & Post Drivers

Arrowhead R range

Overview

Arrowhead Rockdrill’s R Range hydraulic hammers bring a new industry leading tie-rodless hammer to the market. Based around a unique design the R Range hammers eliminate the need for tie rods in the hammer assembly increasing the robustness of the hammer while simplifying its construction. The R Range hammers are a compact and powerful design suitable for a wide variety of applications all with the effective price and industry leading support our customers deserve.

Features

Tie-rodless hammer design

Narrow round box provides superior access to surfaces in confined spaces such as trenching work

Vibration and sound supressed at standard

Full servicing using no specialist tools

Powerful gas fired operation using less oil at lower working pressures

Excavator friendly

R40

HAMMER SPECIFICATION	UNIT	R40
Max energy per blow	J	260
Require flow	lpm	14-30
Operating pressure	bar	120
Blows per min	per min	650-1100
Guaranteed sound power	dB	112
Tool diameter	mm	40
Working weight	kg	85
Carrier weight	Tonnes	0.7 – 1.5

R45

HAMMER SPECIFICATION	UNIT	R45
Max energy per blow	J	550
Require flow	lpm	25-45
Operating pressure	bar	90
Blows per min	per min	650-1100
Guaranteed sound power	dB	116
Tool diameter	mm	45
Working weight	kg	120
Carrier weight	Tonnes	1.5 – 2.8

R55

HAMMER SPECIFICATION	UNIT	R55
Max energy per blow	J	680
Require flow	lpm	40-60
Operating pressure	bar	110
Blows per min	per min	700-1250
Guaranteed sound power	dB	117
Tool diameter	mm	55
Working weight	kg	135
Carrier weight	Tonnes	2.8 – 4

R65

HAMMER SPECIFICATION	UNIT	R65
Max energy per blow	J	850
Require flow	lpm	45-70
Operating pressure	bar	110
Blows per min	per min	550-1200
Guaranteed sound power	dB	118
Tool diameter	mm	65
Working weight	kg	190
Carrier weight	Tonnes	4 – 5.5

R70

HAMMER SPECIFICATION	UNIT	R70
Max energy per blow	J	1000
Require flow	lpm	55-80
Operating pressure	bar	110
Blows per min	per min	650-1400
Guaranteed sound power	dB	118
Tool diameter	mm	70
Working weight	kg	210
Carrier weight	Tonnes	5 – 7

R75

HAMMER SPECIFICATION	UNIT	R75
Max energy per blow	J	1200
Require flow	lpm	70-100
Operating pressure	bar	120
Blows per min	per min	650-1400
Guaranteed sound power	dB	121
Tool diameter	mm	75
Working weight	kg	305
Carrier weight	Tonnes	6.5 – 8.5

R80

HAMMER SPECIFICATION	UNIT	R80
Max energy per blow	J	1400
Require flow	lpm	80-100
Operating pressure	bar	120
Blows per min	per min	550-1200
Guaranteed sound power	dB	121
Tool diameter	mm	80
Working weight	kg	375
Carrier weight	Tonnes	7-10

Post Drivers

Overview

With the side mount for post driving functions and the top mount for regular use as a breaker, the Arrowhead range of post drivers have a unique and innovative design. Swap the point or chisel out for a post driver and quickly drive in posts. Change to the low side mount when only driving posts to allow for ease of positioning and superior control, making it easier to line up posts up before driving them in. This also allows for superior access in areas with minimal headspace. In addition, the low side mount means taller posts will be easier to handle whilst dual mounting enables control and flexibility.

Features

Multiporpose tool

Dual Mounting

Low side mount

R40 Post Driver

HAMMER SPECIFICATION	UNIT	R40
Max energy per blow	J	260
Require flow	lpm	14-30
Operating pressure	bar	120
Blows per min	per min	650-1100
Guaranteed sound power	dB	112
Tool diameter	mm	40
Working weight	kg	165
Carrier weight	Tonnes	0.7 – 1.5

R45 Post Driver

HAMMER SPECIFICATION	UNIT	R45
Max energy per blow	J	550
Require flow	lpm	25-45
Operating pressure	bar	90
Blows per min	per min	650-1100
Guaranteed sound power	dB	116
Tool diameter	mm	45
Working weight	kg	185
Carrier weight	Tonnes	1.5 – 2.8

R55 Post Driver

HAMMER SPECIFICATION	UNIT	R55
Max energy per blow	J	680
Require flow	lpm	40-60
Operating pressure	bar	110
Blows per min	per min	700-1250
Guaranteed sound power	dB	117
Tool diameter	mm	55
Working weight	kg	200
Carrier weight	Tonnes	2.8 – 4.0

R65 Post Driver

HAMMER SPECIFICATION	UNIT	R65
Max energy per blow	J	850
Require flow	lpm	45-70
Operating pressure	bar	110
Blows per min	per min	550-1200
Guaranteed sound power	dB	118
Tool diameter	mm	65
Working weight	kg	345
Carrier weight	Tonnes	4 – 5.5

Heavy Range

Overview

Features

Tie-rodless hammer design

Narrow round box provides superior access to surfaces in confined spaces such as trenching work

Vibration and sound supressed at standard

Full servicing using no specialist tools

Powerful gas fired operation using less oil at lower working pressures

Excavator friendly

R90

HAMMER SPECIFICATION	UNIT	R90
Max energy per blow	J	2000
Require flow	lpm	90-120
Operating pressure	bar	130
Blows per min	per min	600-1200
Guaranteed sound power	dB	123
Tool diameter	mm	90
Working weight	kg	520
Carrier weight	Tonnes	8.0-13.0

R100

HAMMER SPECIFICATION	UNIT	R100
Max energy per blow	J	3000
Require flow	lpm	100-140
Operating pressure	bar	130
Blows per min	per min	800-1400
Guaranteed sound power	dB	123
Tool diameter	mm	100
Working weight	kg	660
Carrier weight	Tonnes	13.0-16.0

R120

HAMMER SPECIFICATION	UNIT	R120
Max energy per blow	J	4060
Require flow	lpm	90-150
Operating pressure	bar	130
Blows per min	per min	400-700
Guaranteed sound power	dB	125
Tool diameter	mm	120
Working weight	kg	1210
Carrier weight	Tonnes	16.0-21.0

R140

HAMMER SPECIFICATION	UNIT	R140
Max energy per blow	J	5420
Require flow	lpm	150-200
Operating pressure	bar	130
Blows per min	per min	400-700
Guaranteed sound power	dB	127
Tool diameter	mm	140
Working weight	kg	1580
Carrier weight	Tonnes	20.0-29.0

Call Dunrave Plant Services for a price on 01633 873838

Contact Us

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Dunrave House,

Oldbury Road,

Torfaen, Cwmbran,

NP44 3JU

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01633 873838

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service@dunrave.com