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  • Used Excavator Boom for sale. Caterpillar equipment & more

    Jul 16, 2018 · Hydraulic Excavator Configurations and features may vary by region. • Rated speed at 1,800 rpm. Swing Mechanism Swing Speed 8.75 rpm Maximum Swing Torque 144 kN·m 106,228 lbf-ft Weights With Boom/Stick/Bucket Installed (with auxiliary lines) 11 200 mm 36.7 ft 11 170 mm 36.6 ft 10 890 mm 35.7 ft

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  • Choose Excavator Booms and Sticks Wisely | For

    May 23, 2012 · Configuring an excavator for a specific application takes a little planning. Many factors come into play, such as the working range of the boom and …

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  • construction/mining Excavator Ex1200-6 EX1200

    Boom Lower n To meet all your job requirements, the EX1200-6 is available in both front-shovel and backhoe configurations. n The boom recirculation system efficiently recirculates oil in the boom circuit when the boom lowers, delivering more pressurized oil to the n The two boom modes, comfort arm to increase arm-lowering speed.

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  • Small Specalog for Cat 308E2 CR Mini Hydraulic Excavator

    308E2 CR Mini Hydraulic Excavator with Swing Boom. Swing System Hydraulic System . Machine Swing Speed 11 rpm Pump Flow at 2,000 rpm 150 L/min 39.6 gal/min Boom Swing – Left 60° Operating Pressure – Equipment 28 000 kPa 4,061 psi Boom Swing – …

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  • Compact Excavator | 85Z-1

    85Z-1. At JCB, we've been building tracked excavators for over 50 years. Our 85Z compact excavator is product of all this experience and insight, designed to be robust, strong and durable without compromising performance. JCB's 85Z is high performance, productive excavator. Peak power and torque at low engine speeds makes for efficient cycles

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  • construction/mining Excavator Ex1200-6 EX1200

    Boom Lower n To meet all your job requirements, the EX1200-6 is available in both front-shovel and backhoe configurations. n The boom recirculation system efficiently recirculates oil in the boom circuit when the boom lowers, delivering more pressurized oil to the n The two boom modes, comfort arm to increase arm-lowering speed.

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  • Technical Specifications for 320 Hydraulic Excavator

    320 Hydraulic Excavator Specifications Dimensions All dimensions are approximate and may vary depending on bucket selection. Boom Options Reach Boom SLR Boom 5.7 m (18'8") 8.85 m (29'0") Stick Options Reach Stick SLR Stick R2.9B1 (9'6") 6.28A (20'7") 6.28A (20'7") 1 Machine Height: Top of Cab Height 2960 mm 9'9" 2960 mm 9'9" 2960 mm 9'9"

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  • Knowledge-Based Structure Optimization Design for Boom of

    Aug 21, 2021 · During the design optimization of the excavator boom, there are many design variables and complicated processes. The original optimization methods mainly focused on the optimization of mathematical models, and they lacked consideration in the use of domain knowledge, design-specification knowledge, expert experience knowledge, and historical examples. In order to …

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  • New generation of excavators marks boom time - Demolition

    Jul 30, 2021 · Operating weight is 75,830kg (167,176lb). Caterpillar (CAT) has introduced four mini excavators, which includes the C308 CR Fixed Boom for demolition applications. The 308 CR Fixed Boom weighs 8 tonnes, with the other three models ranging from 2.7 …

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  • How can you repair high-speed rail without the excavator

    Title: Apparatus for increasing operation speed of boom on excavators. United States Patent 7530225. Abstract: An apparatus for increasing an operation speed of a boom on excavators is disclosed, which enables an unskilled operator to conveniently manipulate a working device by decreasing a rotation speed and increasing a lifting speed relatively when the excavator performs combined operation of …

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  • PC490LC-11 large hydraulic excavator | Komatsu

    Built for high production jobs, the PC490LC-11 is a large but portable excavator with a heavy-duty reinforced undercarriage for high lift capacity, lateral stability and added durability. Large high-strength steel castings on the boom, arm and bucket link. Closed …

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  • Cat 304E2 CR Mini Excavator with Swing Boom | Western

    40.2 HP (30 kW) Operating Weight. 8996 lb (4080 kg) Dig Depth. 135 in (3430 mm) Engine Model. Cat C2.4. The Cat® 304E2 CR Mini Hydraulic Excavator delivers efficient performance, durability and versatility in a compact design to help you work in a variety of applications. Specifications.

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  • Backhoe vs. Excavator: Which Is Right for Your Project

    May 28, 2019 · An excavator is a digging machine that consists of a boom, dipper, digging bucket, and chassis — much like a backhoe is constructed — though an excavator can have either tracks or wheels. However, while a backhoe is often made up of a traditional tractor with a backhoe attachment, the excavator is purpose-built to perform tasks using the

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  • 6 Different Excavator Types & Their Uses | BigRentz

    Excavator comes in various sizes depending on size of bucket, boom length, arm length and operational working speed. The material considered for the excavator boom is Hardox400. Hardox is also known as high strength steel with a great combination of hardness and …

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  • I have a Cat 302.5 mini excavator and I can't get the two

    I have a cat 304 excavator 2 speed travel will not work and 1 side travels faster than the other Bought it at auction has 1800 hrs on it Tryed changing the 2 speed switch located on the floor it was s ME25 mini-excavator(1991). Boom bucket travel swing all work but the stick won't extend (the cylinder rod won't retract). It draws in fine.

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  • Design Modifications and Analysis of Excavator Boom

    Choose Excavator Booms and Sticks Wisely | For

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  • 1999 IHI 7J Compact Micro Mini Excavator 2 Speed Diesel

    Aug 09, 2016 · 1999 IHI 7J Compact Micro Mini Excavator 2 Speed Swing Boom Nice Little Machine For Sale Call Mark Or Nick (814)658-3066

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  • Choose Excavator Booms and Sticks Wisely | For

    May 23, 2012 · Configuring an excavator for a specific application takes a little planning. Many factors come into play, such as the working range of the boom and stick, material density, desired production, use

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  • I have a Cat 302.5 mini excavator and I can't get the two

    I have a cat 304 excavator 2 speed travel will not work and 1 side travels faster than the other Bought it at auction has 1800 hrs on it Tryed changing the 2 speed switch located on the floor it was s ME25 mini-excavator(1991). Boom bucket travel swing all work but the stick won't extend (the cylinder rod won't retract). It draws in fine.

    Learn More
  • Apparatus for increasing operation speed of boom on

    An apparatus for increasing an operation speed of a boom on excavators is disclosed, which enables an unskilled operator to conveniently manipulate a working device by decreasing a rotation speed and increasing a lifting speed relatively when the excavator performs combined operation of boom lift and swing drive to improve its working efficiency.

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