OEM Construction Machinery Hydraulic Hammer Parts Backhoe Breaker Parts Main Body
Construction Machinery Hydraulic Hammer Parts Backhoe Breaker Parts Main Body
Product Introduction
The Main Body Assembly is a vital component of hydraulic hammers for construction machinery, especially backhoe loaders. As the central structure, it houses key elements including the piston, cylinder, and chisel, ensuring optimal alignment and performance. Designed for durability and reliability, the main body assembly enables hydraulic hammers to deliver powerful and efficient operation in tough applications such as rock breaking, concrete demolition, and mining. Choosing a high-quality main body assembly maximizes the lifespan and productivity of your hydraulic hammer, making it an essential part for construction and mining equipment.
Parameter
|
Model (Small range)
|
SB10
|
SB20
|
SB30
|
SB35
|
SB40
|
|
|
Applicable weight
|
tons
|
0.8-2.5
|
1.2-3
|
2.5-4.5
|
3-5.5
|
4-7
|
|
Working weight
|
kg
|
73
|
90
|
120
|
180
|
298
|
|
Impact rate
|
bpm
|
800-1400
|
700-1200
|
600-1100
|
500-1000
|
500-900
|
|
Operating pressure
|
bar
|
90-120
|
90-120
|
90-120
|
100-130
|
110-140
|
|
Chisel diameter
|
mm
|
40
|
45
|
53
|
60
|
68
|
|
Model
|
SB43
|
R75
|
SB45
|
SB50
|
SB60
|
|
|
Applicable weight
|
tons
|
6-9
|
6-9
|
7-14
|
11-16
|
15-18
|
|
Working weight
|
kg
|
380
|
410
|
510
|
890
|
1303
|
|
Impact rate
|
bpm
|
400-800
|
520-1000
|
400-800
|
350-700
|
350-650
|
|
Operating pressure
|
bar
|
120-150
|
110-130
|
130-160
|
150-170
|
150-170
|
|
Chisel diameter
|
mm
|
75
|
75
|
85
|
100
|
125
|
|
Model (Medium range)
|
HB15G
|
HB20G
|
SB70
|
NB500
|
SB81
|
|
|
Applicable weight
|
tons
|
15-18
|
18-25
|
16-21
|
18-26
|
18-26
|
|
Working weight
|
kg
|
133
|
1680
|
1544
|
1500
|
1830
|
|
Impact rate
|
bpm
|
350-650
|
400-800
|
350-600
|
400-800
|
350-500
|
|
Operating pressure
|
bar
|
150-170
|
160-180
|
160-180
|
160-180
|
160-180
|
|
Chisel diameter
|
mm
|
120
|
135
|
135
|
135
|
140
|
|
Model (Large range)
|
HB30G
|
SB121
|
HB40G
|
SB131
|
SB151
|
|
|
Applicable weight
|
tons
|
25-30
|
28-35
|
35-43
|
35-43
|
40-50
|
|
Working weight
|
kg
|
2305
|
2781
|
2781
|
2996
|
3833
|
|
Impact rate
|
bpm
|
350-700
|
300-450
|
250-400
|
250-400
|
200-350
|
|
Operating pressure
|
bar
|
160-180
|
160-180
|
160-180
|
160-180
|
160-180
|
|
Chisel diameter
|
mm
|
150
|
155
|
160
|
165
|
175
|
Key Features
-
- Material:
The main body assembly is constructed from high-strength steel alloys such as 42CrMn, ensuring exceptional durability, wear resistance, and a long service life in demanding environments. - Advanced Design:
Engineered to withstand extreme impact forces, the main body assembly offers superior structural integrity and reliable performance, even under harsh operating conditions commonly found in construction, demolition, and mining applications. - Wide Compatibility:
Available in a range of models—including HB10G, HB15G, HB20G, HB30G, and HB40G—the main body assembly is designed to fit various hydraulic hammer sizes, making it the ideal choice for different types of construction and mining machinery.
- Material:
Advantages
-
High Durability: Made from ultra-wear-resistant steel, the main body assembly can withstand repeated impacts and heavy-duty use.
-
Precision Engineering: Manufactured with high precision to ensure optimal fit and performance with other hydraulic hammer components.
-
Customization: Available in multiple sizes and configurations to match specific hydraulic hammer models and excavator requirements.
-
Wide Compatibility: Designed to fit various hydraulic hammer models and brands, making it a versatile spare part.
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Fast Delivery for Hydraulic Quick Hitch Coupler
We guarantee prompt delivery, with your hydraulic quick hitch coupler shipped within 15-25 days from the date of payment. This ensures you can quickly enhance efficiency on your construction projects without unnecessary delays.
Hydraulic Quick Hitch Coupler – T Type & P Type
Key Features:
- Strong safety pin ensures precise and secure positioning
- High-abrasive front tiger mount design for enhanced durability
- Reinforced cylinder equipped with imported Simrit German oil seals for reliable performance
Why Choose SEWOOMIC?
- One-stop OEM/ODM manufacturer and exporter for all your construction equipment parts needs
- Comprehensive 12-month warranty, with CE and ISO 9001 certification
- Over 10 years’ experience working with top brands like Furukawa, MSB, Daemo, YHB, and Everdigm, especially strong in Asia-type hydraulic breakers
- 100% product testing before delivery for guaranteed quality
- “Quality is our life” – strict quality control at every stage of production
- Customer-focused approach—no matter the project size, we dedicate all resources to meet and exceed your expectations
- Reliable 24/7 after-sales service, including on-site visits for support and complaint resolution
Advanced Production Process
- Through/Side/Bolt: Made of high-strength 42CrMo steel, available in 10.9 and 12.9 grades. Processes include heating, quenching, tempering, and surface treatment for superior strength and durability.
- Mounting Pin: Manufactured from 42CrMo with hardening, tempering, mid-frequency induction, and precision grinding for high surface hardness (3mm quenching depth) and extended lifespan.
- Piston: Precision-engineered from 20CrMo with carburizing, quenching, and high-precision grinding. Excellent lubricity and abrasion resistance prolong piston life and maintain impact force.
- Inner Bush & Front Cover: Forged from 42CrMo or 20CrMo, undergo finish machining, carburizing, quenching, and fine grinding for outstanding wear and impact resistance.
FAQ
- Are you a manufacturer?
Yes, our factory has been established since 2010. - Will the product fit my excavator?
Our hydraulic breakers are compatible with most excavators. Please share your model for confirmation. - What is your warranty policy?
12 months for hydraulic breakers, 6 months for spare parts. - Can you produce according to custom designs?
Absolutely, we offer OEM & ODM services. - MOQ and payment terms?
MOQ is 1 set. We accept T/T, Western Union, and negotiable terms. - Delivery time?
5-25 working days after payment. - Packaging?
Stretch film, pallet, polywood case, or as requested. - Export markets?
We have exported to Saudi Arabia, Korea, Thailand, Cyprus, India, Canada, Australia, Peru, Egypt, Brazil, Mexico, South Africa, and more.
Our Comprehensive Services
- Pre-sale:
Customized design, technical support, and personnel training - In-sale:
Cost-effective shipping solutions, material and inspection reports - After-sale:
Online commissioning, construction program assistance, frontline staff training, and on-site service as needed
Innovations & Customization
We provide full hydraulic breakers (MB1500, MSB250) and are developing new models for 2025. In addition to our SEWOOMIC brand, we offer full OEM and ODM customization to suit your project requirements.
Warranty Commitment
- 12-18 months on hydraulic breakers
- 6 months on spare parts
- 1 year on cylinder, front head, back head, and piston
- 6 months on the outer shell
- 3 months on bushings, bolts, rod pins, and wear parts
About SEWOOMIC Machinery
With nearly 12 years of experience, SEWOOMIC Machinery specializes in manufacturing hydraulic breakers and spare parts. Our highly skilled team and advanced production processes have earned us CE and ISO 9001:2005 certifications. We are committed to continuous quality improvement and exceptional customer service, making us your trusted partner in the construction machinery industry.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.

