VIBRATORY RIPPER | Side grip pile driver, Vibro hammer, Vibro ripper

STERLING TECHNOLOGY

Sterling Ripper

Sterling Ripper literally means excellent and outstanding rock breaking equipment!

Job Applications

Significantly wider offering & 4 market segments enable further success!

Mining
Downtown construction
Tunnel Construction
Underwater operation

SPECIFICATION

Quiet rock breaking technology!
Stress & shock free to excavators and operators!

Sterling Ripper offers three options in Tooth type for soft & medium hard-rock, Chisel type for hard-rock for hard-rock, and Compactor type for compacting ground. Single Sterling Ripper body has three optional tools! you can simply change it at site any time depending on rock types and various application!

Tooth type
Chisel type
Compactor type

UNIQUE CARTILAGE-LINK STRUCTURE AND ROBUST BEARING STRUCTURE OF STERLING RIPPER

Maximizing productivity and minimizing down time by on-site parts replacement
Minimizing vibration transmitted to excavator and operator even at hard-rock
The large class of Ripper, the higher productivity
Rigid and higher durability at hard-rock job site
Low maintenance

Description	Unit	SR25		SR30		SR40		SR50		SR80
Operating weight*	Kg	2620		3580		4950		5750		10500
Operating weight*	lb	5776		7606		9789		12346		23149
Dimension	mm	819 x 1431 x 3201		901 x 1495 x 3372		974 x 1552 x3585		1130 x 1713 x3920		1490 x 1645 x4304
A x B x C	inch	32.24x56.33x126.02		35.47x59.09x130.19		38.34x61.06x138.18		44.34x67.41x152.48		55.28x64.76x161.42
Chisel diameter Ø	mm	110		120		130		140		180
Chisel diameter Ø	inch	4.33		4.72		5.12		5.51		7.09
relief setting pressure	Bar	250		250		280		280		300
relief setting pressure	Psi	3626		3626		4061		4061		4351
Operating pressure	Bar	180-220		180-220		210-250		210-250		240-270
Operating pressure	Psi	2610-3190		2610-3190		3045-3626		3045-3626		3481-3916
Oil flow	lpm	160-220		190-250		240-300		270-330		490-580
Oil flow	gpm	47-60		50-66		63-79		71-87		129-153
Frequency	bpm	2,539~3,492		2,375~3,125		2,242~2,803		2,160~2,640		1960~2,320
Air spring nitrogen pressure	Bar	F 3	R 3.5	F 3	R 3.5	F 4	R 4.5	F 4	R 4.5	F 5	R 5.5
Air spring nitrogen pressure	Psi	F 43	R 50	F 43	R 50	F 58	R 65	F 58	R 65	F 58	R 65
Suitable carrier	ton	20~25		28~34		36~43		46~60		70~90
Suitable carrier	lb	44092~ 55115		61729~ 74957		79366~ 94798		101412~ 132277		154323~ 198416

※ Specifications above are subject to change without notice.

Comparison chart

Available equipment for rock hardness

The large-class Sterling Ripper performs exceptionally well in hard rock conditions, avoiding the common issues faced by most vibratory rippers, thanks to its cutting-edge Cartilage-Link technology.

Sterling Ripper VS Hydraulic breaker

The larger class of Sterling Ripper delivers significantly higher productivity than hydraulic breakers in soft to medium-hard rock, and performs exceptionally well in hard-rock job sites compared to conventional hydraulic breakers.

Strong Points of Sterling Ripper

Higher Productivity Than Hydraulic Breakers

Delivers 2 to 8 times greater productivity depending on rock type.

Superior Power Compared to Other Vibratory Rippers

Features a unique structure with a larger, centrally positioned eccentric weight.

Most Powerful Ripper in Its Class

Sterling Ripper leads its category in performance and durability.

Versatile Tool Options: Three Tools for One Ripper

Chisel Type: Ideal for hard rock

Tooth Type: Suited for soft to medium-hard rock

Compactor Type: Designed for ground compaction

These interchangeable tools offer broader application flexibility than competitors.

Minimal Vibration to Excavator and Operator

The unique Cartilage-Link technology delivers powerful striking force while reducing vibration transmission.

Reduced Impact and Operator Fatigue

Less stress on the excavator and operator ensures safer and more comfortable operation.

Low Noise Operation

Cartilage-Link structure keeps noise levels below 90 dB, enabling unrestricted use in downtown construction zones.

Easy On-Site Maintenance & Low Maintenance Costs

Simplified component structure

Most parts replaceable directly at the job site

No need to return to a repair shop

Fewer parts than competitors, resulting in lower maintenance costs

Fast tooth replacement minimizes downtime and maximizes productivity

Underwater Operation Without Special Equipment

Capable of performing various underwater work without costly or complex preparations.

Hyd. Breaker vs Vibratory Ripper

Vibratory Ripper’s advantages compared to Hyd. Breaker

Higher productivity than hydraulic breaker

Up to 8 times higher productivity than hyd. breaker at less hardness rock formation
The larger class of Ripper, the higher productivity
The less hard rock formation, the higher productivity
Constant high bpm by vibratory power

Higher productivity than hydraulic breaker

10〜30% less noise than hyd. Breaker
Less noise(under 90dB) than silent hyd. Breaker
The less hard rock formation, the less noise
Minimizing noise at job site allows demolition work in downtown or noise restricted area

Underwater Operation Without Special Equipment

No Special Devices Required.
Sterling Ripper can operate underwater without the need for expensive or complex preparations.
No Investment in Air Compressors.
Eliminates the cost of renting or purchasing air compressors (e.g., USD 150–450 per day).
No Fuel Costs for Air Compressors.
Avoids fuel expenses typically required for compressor operation (e.g., 50 liters of diesel per hour × 8 hours = USD 400–500 per day).

Vibratory Ripper’s draw back compared to Hyd. Breaker

Lower productivity than hydraulic breaker at hard-rock job sites
Frequent breakdown in operation at hard-rock job sites due to repulsion energy and constant fatigue to links and bearings of Ripper
Impact or damage to excavator and increasing operator’s fatigue due to vibration and repulsion transmitted to the excavator and the operator

Solution of Sterling Ripper for Vibratory Ripper’s draw back

Solution for lower productivity than hydraulic breaker at hard-rock job sites

Solution	How to do & Effect
Maximize vibration power	Change the size of eccentric weights and hyd. motor to maximize centrifugal force Change the shape of eccentric weights to maximize centrifugal force Optimize correlation between hyd. motor and eccentric weights Maximize durability of components which can withstand extra impact due to power increase
Selective tool options – Two tools for one Ripper	Chisel type for hard rock and Tooth type for Soft & mid hard rock Two optional tools enables Sterling Ripper to offer wider selections of application than competitors at rock breaking job sites

Solution of Sterling Ripper for Vibratory Ripper’s draw back

Solution for frequent breakdown in operation at hard-rock job sites due to repulsion energy and constant fatigue to links and bearings of Ripper
Solution for impact or damage to excavator and increasing operator’s fatigue due to vibration and repulsion transmitted to the excavator and the operator

Solution	How to do & Effect
Cartilage-link structure	Use damper cushions with a link instead of bearings with the links to get less repulsion, less noise and no chance of link bearing broken & easy on-site maintenance
Centered double eccentric weights	Unique design of centered double eccentric weights allow better durability of bearings

Solution of Sterling Ripper for Vibratory Ripper’s drawback

Solution	How to do & Effect
Cartilage-link structure	Use damper cushions with a link instead of bearings with the link to get less repulsion, less noise and less chance of link bearing broken & easy on-site maintenance

Conventional Ripper

Main Drawback of Link Bearing Structure Links and bearings are prone to breakage when operating in hard-rock job sites, requiring the Ripper to be sent to a maintenance shop for repairs. This process is time-consuming and costly, ultimately increasing the total operating cost.
Sterling Ripper

Sterling Ripper adopts rubber thrusts with a link type instead of the conventional link and bearings. This design enables simple on-site replacement-just unscrew and reattach the covers-greatly reducing downtime and maintenance costs. Additionally, it effectively eliminates shock and stress to the excavator, enhancing both equipment longevity and operator comfort.

Conventional Ripper’s bearings
Sterling Ripper’s bearings

	Conventional Ripper’s bearings	Sterling Ripper’s bearings
Advantages	-	High vibratory power at the same size of bearings
	-	At least two times longer life time of bearings
	-	Higher durability at hard-rock job sites

Solution of Sterling Ripper for Vibratory Ripper’s drawback

Solution	How to do & Effect
Centered double eccentric weights	Unique design of centered eccentric weights allow better durability of bearings

Conventional Ripper’s eccentric weights
Sterling Ripper’s eccentric weights

	Conventional Ripper’s bearings	Sterling Ripper’s bearings
Distance from axis A	A=B+C, B >C	A=B+C, B =C
Center of gravity	B and C ≠ A/2	B and C = A/2
Weight distribution	“Bearing B” has more weight than "bearing A”	Weight of "A bearing" and “B bearing" is the same
Effect	Life time of both “A bearing" and “B bearing” is shorten due to imbalance of their weight	Longer life time of both “A bearing” and “B bearing"

Solution of Sterling Ripper for Vibratory Ripper’s drawback

Solution for lower productivity than hydraulic breaker at hard-rock job sites - By Chisel type of Sterling Ripper
Sterling Ripper offers three options in Tooth type for soft & medium hard-rock, Chisel type for hard-rock, and Compactor type for compacting ground. You can simply change it at site any time depending on rock types and various application!

Tooth type
Chisel type
Compactor type

Summary of Sterling Ripper’s selling point

Feature	How to do & Effect
Optimum shape and size of Sterling Ripper’s eccentric weights	Maximize vibration power by optimizing centrifugal force
Selective tool options - Three tools for one Ripper	Chisel type for hard rock, Tooth type for Soft & mid hard rock and Compactor type for compacting ground Three optional tools enables Sterling Ripper to offer wider selections of application than competitors at rock breaking job sites and compacting ground It can be simply replaced on site as occasion demands
Unique Cartilage-link structure of Sterling Ripper	Easy maintenance – On site parts replacement Concise structure of components Maximize vibration power by optimizing centrifugal force Minimizing vibration transmitted to excavator and operator even at hard-rock Minimizing noise (15% 〜 20% lower noise than traditional vibratory ripper) Low maintenance
Centered double eccentric weights	Unique design of centered double eccentric weights allow better durability of bearings

Summary of Sterling Ripper’s selling point

The larger class of Sterling Ripper, the much higher productivity and hydraulic breaker up to soft medium hard-rock and perform well at hard-rock job site compared to hyd. breaker
Big class Sterling Rippers can work well at hard-rock without problems most vibratory rippers have, thanks to its cutting-edge technology, Damper+Link structure