Hydraulic Hammers

DemaRock D Series

Hydraulic Hammers

DemaRock D Series

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Spec Sheet

Product Overview

Compact Range

Building, renovation
Landscaping, gardening
Trenching
Demolition, non-reinforced concrete
General construction work

Medium & Heavy-duty Range

Building and secondary breaking in quarry
Site preparation, foundation works
Road construction
Demolition works, highly reinforced concrete
Trenching
Tunneling
Bench leveling
General construction works

Features & Benefits
Specifications

Efficient gas and oil percussion system increase hitting power and reduces demand on the carrier’s hydraulic system
Compatible with a wide range of operating pressure and oil flow
Shock-mounted housing reduces noise and minimizes vibration transmitted to the carrier
Two moving parts and minimal components decrease maintenance costs 15 models ranging from 200 to 13,645 ft/lb impact energy class
Fits all Skid steer loaders, Tractor loaders, Backhoes, mini through large Excavators up to 60 tons

BREAKERS	MODEL	COMPACT RANGE		SKID STEER RANGE			MEDIUM RANGE					HEAVY-DUTY RANGE
DESCRIPTION	UNIT	D40	D45	D53	D68	D75	D85	D100	D125	D135	D140	D155	D165	D175S	D185
Impact Energy Class	ft/lbs	200	350	400	750	1,000	1,200	2,000	3,000	4,000	5,000	7,500	8,500	12,000	12,170
Operating Weight	lbs	225	278	335	650	827	1259	1898	2,859	3,307	3,893	5,803	6,246	8,799	10,572
Operating Weight	kg	102	126	152	295	375	571	861	1,297	1,500	1,766	2,632	2,833	3,991	4,800
Required Oil Flow	gal/min	4~8	5.3~10.6	6.6~13.2	10.6~18.5	13.2~23.8	15.9~26.4	21.1~29.1	23.8~31.7	26.4~39.6	31.7~47.6	47.6~63.4	50.8~68.7	55.5~76.6	58.1~71.3
Required Oil Flow	ℓ/min	15~30	20~40	25~50	40~70	50~90	60~100	80~110	90~120	100~150	120~180	180~240	200~260	210~290	220~270
Operating Pressure	psi	1,280~1,707	1,280~1,707	1,280~1,707	1,565~1,991	1,707~2,134	1,849~2,276	2,134~2,418	2,134~2,418	2,276~2,560	2,276~2,560	2,276~2,560	2,276~2,560	2,276~2,560	2,560~3129
Operating Pressure	kg/cm2	90~120	90~120	90~120	110~140	120~150	130~160	150~170	150~170	160~180	160~180	160~180	160~180	160~180	180~220
Impact Rate	bpm	800~1,400	700~1,200	600~1,100	500~900	400~800	400~800	350~700	350~650	350~600	350~500	300~450	250~400	200~350	200~250
Hose Diameter	in	3/8, 1/2	3/8, 1/2	1/2	1/2	1/2	3/4	3/4	1	1	1	1¼	1¼	1¼	1¼
Tool Diameter	in	1.6	1.8	2.1	2.7	3.0	3.3	3.9	4.9	5.3	5.5	6.1	6.5	6.9	7.3
Tool Diameter	mm	40	45	53	68	75	85	100	125	135	140	155	165	175	185
Applicable Carrier Weight	lbs	1,760~5,500	2,700~6,700	5,600~10,000	8,800~16,000	13,300~20,000	15,500~31,000	24,500~36,000	33,000~40,000	40,000~46,000	40,000~58,000	62,000~77,000	66,000~100,000	77,000~100,000	88,200~121,300
Applicable Carrier Weight	ton	0.8~2.5	1.2~3.0	2.5~4.5	4~7	6~9	7~14	11~16	16~21	18~26	18~26	28~35	30~45	35~45	40~55
Noise Level	dB	105.5	106.8	108.5	108.7	114.5	112	113.5	115	120	118	123	124	125	–
Length	in	42	49	53	66	67	83	94	102	106	111	127	134	147	155
Length	mm	1086	1235	1344	1684	1706	2120	2387	2,682	2,813	3,063	3,392	3,475	3,812	3,945