
PLP20.16‑03S1‑L/0C/20.16‑LOG.OC‑S7‑S PLM PLP PLD Hydraulic Gear Pump
Wuhan Xinlaifu Hydraulic Equipment Co., Ltd. is one of the leading manufacturers and suppliers of plp20.16‑03s1‑l/0c/20.16‑log.oc‑s7‑s plm plp pld hydraulic gear pump in China. With abundant experience, we warmly welcome you to buy high quality customized products at competitive price from our factory. Also, OEM&ODM service is available.
Technical specifications

| Item | Specification |
|---|---|
| Part Number | PLP20.16‑03S1‑L/0C/20.16‑LOG.OC‑S7‑S |
| Product Type | Tandem High‑pressure External Hydraulic Gear Pump |
| Applicable Machine | Construction machinery, material handling equipment |
| Brand Reference | Casappa Polaris PLP‑PLM‑PLD Series |
| Application | Mobile hydraulic systems, industrial hydraulic power units |
| Gear Structure | Casappa Polaris PLP‑PLM‑PLD Series |
| Material | Aluminum alloy housing, steel gear set |
| Output Torque | Refer to OEM datasheet |
| Working Pressure | Rated:250 bar; Max:280 bar |
| Installation Form | SAE A 2‑bolt flange mounting |
| Working Condition | Mineral‑based hydraulic oil, 500‑3500 rpm |
| Sealing Type | S7‑S elastomer seal (NBR) |
| Weight | Refer to OEM datasheet |
| Remark | Aftermarket replacement unit, displacement 16.85 cm³/r for each section |
Product Overview
PLP20.16‑03S1‑L/0C/20.16‑LOG.OC‑S7‑S is a tandem high‑pressure external hydraulic gear pump from PLM‑PLP‑PLD series. Built with aluminum alloy housing and steel gear components, this double‑section gear pump delivers stable volumetric efficiency under rated working pressure for mobile and industrial hydraulic circuits.
Features and Advantages
Features
- Tandem dual‑section external gear pump, PLM‑PLP‑PLD series configuration
- Aluminum alloy housing with precision‑machined steel gear set
- NBR elastomer sealing (S7‑S seal code) for mineral hydraulic oil
- SAE A 2‑bolt flange mounting form
- Rated working pressure up to 250 bar, max pressure 280 bar
- Operates within 500‑3500 rpm speed range for mobile hydraulic circuits
Advantages
- Stable volumetric efficiency under continuous high‑pressure working conditions
- Compact modular structure for easy installation and component interchangeability
- Low internal leakage for consistent flow output
- Reliable performance for construction and industrial hydraulic applications
- Interchangeable with original PLP20 series OEM unit
Typical applications
- Mobile construction machinery hydraulic circuits
- Material‑handling & lifting equipment hydraulic power system
- Agricultural machinery hydraulic drive units
- Industrial stationary hydraulic power packs
- Truck‑mounted auxiliary hydraulic systems
- Special‑purpose mobile vehicle hydraulic assemblies




Q1: What is PLP20.16‑03S1‑L/0C/20.16‑LOG.OC‑S7‑S?
A1: It is a tandem high‑pressure external hydraulic gear pump belonging to the PLM‑PLP‑PLD series, dual‑section 16.85 cm³/rev displacement design for mobile hydraulic systems.
Q2: What is the working pressure rating for PLP20.16‑03S1‑L/0C/20.16‑LOG.OC‑S7‑S?
A2: Rated working pressure is 250 bar, maximum peak pressure reaches 280 bar, consistent with standard PLP20 series specifications.
Q3: What does suffix S7‑S stand for on this PLP20 gear pump?
A3: S7‑S denotes NBR elastomer sealing configuration, suitable for standard mineral‑based hydraulic oil media.
Q4: Can PLP20.16‑03S1‑L/0C/20.16‑LOG.OC‑S7‑S interchange with original OEM pump?
A4: Yes, this aftermarket unit is mechanically interchangeable with original PLP20 series tandem gear pump under same part‑number coding.
Q5: What mounting form does PLP20.16‑03S1‑L/0C/20.16‑LOG.OC‑S7‑S adopt?
A5: It uses SAE A 2‑bolt flange mounting, the standard installation form for PLP20 series gear pumps.
Q6: What operating speed range applies to this PLM‑PLP‑PLD series pump?
A6: Recommended operating speed ranges from 500 rpm to 3500 rpm with mineral hydraulic oil.
Q7: What kind of equipment can use PLP20.16‑03S1‑L/0C/20.16‑LOG.OC‑S7‑S hydraulic gear pump?
A7: Mainly for construction machinery, material‑handling equipment, agricultural machinery and stationary hydraulic power packs.
Q8: Where can I get full datasheet for PLP20.16‑03S1‑L/0C/20.16‑LOG.OC‑S7‑S?
A8: Contact our sales team to request OEM‑referenced datasheet for exact torque and weight parameters.
Model Displacement
| Item | Specification |
|---|---|
| Part Number | PLP20.16‑03S1‑L/0C/20.16‑LOG.OC‑S7‑S |
| Product Type | Tandem High‑pressure External Hydraulic Gear Pump |
| Applicable Machine | Construction machinery, material‑handling equipment, agricultural machinery |
| Brand Reference | Casappa Polaris PLM‑PLP‑PLD Series |
| Application | Mobile hydraulic circuits, industrial hydraulic power units |
| Gear Structure | External gear, tandem dual‑pump common inlet structure |
| Material | Extruded aluminum alloy housing, precision steel gear set |
| Displacement | 16.85 cm³/rev per section, dual‑section tandem pump |
| Shaft Type | 03S1:SAE A 9‑tooth splined shaft (9T 16/32 DP) |
| Rotation Direction | L‑Code: Left‑hand rotation (CCW viewed from shaft end) |
| Output Torque | Refer to OEM datasheet |
| Working Pressure | Rated continuous pressure:250 bar; Max peak pressure:280 bar |
| Installation Form | SAE A 2‑bolt flange mounting (S1 flange code) |
| Working Condition | Mineral‑based hydraulic oil; Operating speed:500‑3500 rpm |
| Port Configuration | L‑Code: Side port orientation; Common suction inlet, two separate pressure outlets |
| Sealing Type | S7‑S: NBR (Buna‑N) elastomer seal for mineral hydraulic oil |
| Weight | Refer to OEM datasheet |
| Remark | Aftermarket interchangeable tandem pump, same mechanical interface as OEM PLP20 series unit |
Note:
No exact standalone datasheet available for this exact tandem part‑number. All parameters are derived from Casappa Polaris PLP20 official catalog and cross‑verified hydraulic distributor records. Contact sales for OEM‑referenced technical drawing if torque and assembly weight data are required.
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