Sale
G101/102|C101/102 Gear Pump Series
The G101/102 | C101/102 series gear pumps are distinguished by their reliable performance, integrated design, and wide range of applications.
E-mail: hyd-sales2009@outlook.com
Description
1. Overview
The G101/102 and C101/102 series are fixed-displacement hydraulic gear pumps designed for heavy-duty applications such as dump trucks, trailers, and municipal equipment. Manufactured with high-strength cast iron construction, these pumps deliver exceptional durability, reliability, and efficiency in harsh operating environments. Integrating integrated relief valves and load hold valves as standard, they provide comprehensive protection for hydraulic systems while ensuring stable performance. Available in dual-shaft (101 models) and single-shaft (102 models) configurations, the series offers flexible mounting and control options to meet diverse application requirements.
2. Technical Specifications
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Parameter
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G101/102 Series
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C101/102 Series
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|---|---|---|
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Flow Range
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15~140 L/min (9.5, 21 & 29 GPM @ 1800 RPM)
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24~220 L/min (up to 48 GPM)
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Speed Range
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600~2400 RPM
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600~2400 RPM
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Operating Pressure
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Max. 2500 PSI (172 Bar); Factory-set relief valve @ 2000 PSI (137 Bar)
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Max. 2500 PSI (172 Bar); Factory-set relief valve @ 2000 PSI (137 Bar)
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Efficiency
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≥90%
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≥90% (Volume efficiency >92% for specific models)
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Body Material
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Grey Cast Iron (Three-piece construction, fully rebuildable)
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Grey Cast Iron (Three-piece construction, fully rebuildable)
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Shaft Type
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Dual-shaft (G101) / Single-shaft (G102); SAE “BB” keyed
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Dual-shaft (C101) / Single-shaft (C102); SAE standard
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Rotation Direction
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Clockwise (CW), Counterclockwise (CCW), Bi-rotational
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Clockwise (CW), Counterclockwise (CCW), Bi-rotational
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Fluid Temperature Range
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-20°C~80°C (0°F~180°F)
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-20°C~80°C (0°F~180°F)
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Viscosity Range
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50~7500 SUS
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50~7500 SUS
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Port Connection
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NPT Threaded (Rear Ports); Inlet: 1-1/4″ NPT, Outlet: 3/4″ NPT
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NPT Threaded (Rear Ports); Inlet: 1-1/4″ NPT, Outlet: 3/4″ NPT
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Max. Weight
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20.4 kg (45 lbs)
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20.4 kg (45 lbs)
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3. Structural & Performance Features
3.1 Common Features
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Robust Construction: Three-piece cast iron body ensures high strength, impact resistance, and long service life even in rough working conditions. The fully rebuildable design reduces maintenance costs.
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Pressure Protection: Direct-acting relief valve with load check function prevents system overpressure, protecting pumps and cylinders from damage. Relief valve pressure can be factory-set to 2000 PSI or 2500 PSI as required.
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Low Friction Design: Pressure-balanced thrust plates minimize internal leakage and friction, maintaining high efficiency across the entire operating range.
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Durable Bearings: Heavy-duty roller bearings (USA brand) ensure reliable operation under high loads and extend service life.
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Flexible Installation: Compliant with SAE and DIN mounting standards, supporting 2-line or 3-line circuit connections for controlling single-acting cylinders. Dual-shaft models (101) can be mounted to remote PTOs, while single-shaft models (102) mount directly to the vehicle drivetrain.
3.2 Series-Specific Features
G101/102 Series
Designed for low to medium flow requirements, this series features a simple structure with manual operation as standard. It offers cost-effectiveness and easy maintenance, making it ideal for light-duty dump trucks, small garbage trucks, and other applications with simple operating environments and cost sensitivity. Dual-shaft G101 models allow optional drive shaft selection for flexible PTO adaptation.
C101/102 Series
Engineered for high-flow, high-load scenarios, this series supports optional remote airshift control in addition to manual operation. The airshift kit includes an air cylinder, cab-mounted pneumatic control valve, 30-foot air hose, and all necessary connections, enabling automated remote operation and improving system integration. It delivers stable performance in high-pressure conditions, suitable for medium to heavy-duty dump trucks, large garbage trucks, and lifting machinery requiring centralized control.
4. Model Coding Explanation
Example: C102-2.5L-AS-3-20
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Series Code: C102 (C101/C102 for high-flow; G101/G102 for standard flow)
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Gear Width: 2.5″ (G101/G102: 0.75″, 1.5″, 2.0″; C101/C102: 2.0″, 2.5″)
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Rotation Direction: L (Counterclockwise), R (Clockwise)
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Operation Style: AS (Airshift), MS (Manual)
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Circuit Number: 2 (2-line installation), 3 (3-line installation)
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Relief Valve Pressure: 20 (2000 PSI/137 Bar), 25 (2500 PSI/172 Bar)
5. Applications
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G101/102 Series: Light-duty dump trucks, small garbage trucks, municipal maintenance equipment, and cost-sensitive hydraulic systems.
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C101/102 Series: Medium to heavy-duty dump trucks, large dump trailers, garbage compactor trucks, lifting machinery, and automated hydraulic systems requiring remote control.
6. Operation & Maintenance Notes
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Use compatible hydraulic fluids (standard hydraulic fluid or phosphate ester) and maintain fluid cleanliness to prevent component wear.
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Ensure the minimum air pressure of 80 PSI for airshift control systems, which can be supplied by the vehicle’s brake system or on-board compressor.
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Confirm the required rotation direction (CW/CCW) before installation, as factory-set rotation is usually counterclockwise.
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Regularly inspect shaft seals, O-rings, and gaskets for leaks; replace worn parts promptly to maintain system efficiency.
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The pump is covered by a 12-month warranty against manufacturing defects. Contact authorized distributors for maintenance and replacement parts.
7. Warning
Improper selection, installation, or use of the pump may cause personal injury, death, or property damage. The user must conduct thorough application analysis and testing to ensure the product meets all performance, safety, and warning requirements. Specifications and features are subject to change without notice by the manufacturer.
Shipping & Delivery
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