GUANGZHOU XIEBANG MACHINERY CO., LTD
                                                                                                           
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Bobcat 337 Excavator Hydraulic Pump Coupler Engine Flywheel - 1400 Nm Torque, 4000 RPM - Compatible with 311 & 331 Models

Price Negotiable
Price: USD 40~90
MOQ: 5 SETS
Delivery Time: usual 2-3 days after payment
Brand: Y&F
Product Description
Product Overview
High-performance hydraulic pump coupler and engine flywheel designed specifically for Bobcat 337 excavators, with compatibility for Bobcat 311 and 331 models. This coupling component ensures reliable power transmission between the engine and hydraulic system.
Material Specifications
Available in multiple high-quality material options:
  • Centaflex CF-A Series: Natural Rubber (NR) and High Temperature Rubber (HTR)
  • Centaflex CF-H Series: High Temperature Rubber (HTR) and Hytrel
  • Lovejoy LF Series: Natural Rubber (NR), High Temperature Rubber (HTR), and Hytrel
Available Coupling Models
Centaflex CF-H Hytrel Couplings
CF-H-16, CF-H-25, CF-H-30, CF-H-35, CF-H-40, CF-H-45, CF-H-50, CF-H-90, CF-H-110, CF-H-140, CF-H-160, CF-H-240
Centaflex CF-A Rubber Couplings
CF-A-4-S0, CF-A-8-S0, CF-A-16-S0, CF-A-22-S0, CF-A-25-S0, CF-A-28-S0, CF-A-30-S0, CF-A-50-S0, CF-A-80-S0, CF-A-90-S0, CF-A-140-S0, CF-A-200-S0, CF-A-250-S0, CF-A-400-S0
Technical Specifications
CF-H Series Technical Data
SIZE 30H 40H 50H 110H 140H 160H
Maximum Torque (Nm) 1400 1600 2000 2500 4000
Maximum Rotational Speed (Min-1) 4000 4000 4000 4000 3600
CF-A Series Technical Data
SIZE 4A/4AS 8A/8AS 16A/16AS 25A/25AS 30A/30AS 50A/50AS 140A/140AS
Maximum Torque (Nm) 125 280 560 875 1400 2100 8750
Maximum Rotational Speed (Min-1) 7000 6500 6000 5000 4000 4000 3600
Product Images
Bobcat Excavator Hydraulic Pump Coupler Engine Flywheel Assembly Excavator Engine Drive Coupling Installation Diagram
Manufacturing Advantages
  • Over 20 years of industry experience in excavator spare parts manufacturing
  • Factory-direct pricing with strict quality control standards
  • Comprehensive spare parts inventory for one-stop shopping convenience
  • Fast order processing with 24-hour turnaround for urgent requirements
  • Multiple shipping options including sea, air, and express delivery
  • Extensive stock availability for immediate shipment
Compatible Excavator Models
This coupling is engineered for Bobcat 337, 311, and 331 excavators, with cross-compatibility across multiple major brands including Hitachi, Hyundai, Kobelco, Komatsu, Sumitomo, and Doosan.
Ordering Information
For accurate pricing and availability, please provide your specific engine application details and required part numbers. Contact us directly if you cannot locate specific parts in our catalog.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company GUANGZHOU XIEBANG MACHINERY CO., LTD
Location No. 1021 & 1023 Street 10 Zhuji Market, No. 36 Zhuji Road, Tianhe District, Guangzhou 510660, China
Contact Person YNF Sales Team

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