Description
The Lenhard 10-Liter Manual Grease Pump Bucket (sometimes referred to as a high-pressure volume grease pump) is a heavy-duty, hand-operated lubrication system designed for commercial workshops, agricultural environments, and industrial plant maintenance. It is engineered to deliver high-pressure grease directly to grease nipples, bearings, and heavy machinery chassis without the need for compressed air or electricity.
Here are the key features and specifications of this model:
Build & Structural Capacity
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10-Liter Steel Reservoir: Features a medium-capacity 10L bucket welded from heavy-gauge sheet steel and finished with a durable, corrosion-resistant powder coating. The 10L size strikes the perfect balance between high volume and portable convenience on a job site.
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Leak-Proof Steel Cover: The bucket lid is sealed tightly using heavy-duty wing nuts or toggle clamps to protect the grease inside from workshop dust, grit, and moisture contamination.
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Integrated Carry Handle: Equipped with a sturdy, built-in carry handle or foot lever rest, allowing the operator to steady the unit on the floor while pumping or carry it easily between service bays.
High-Pressure Delivery Mechanism
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High-Volume Mechanical Pump: Leverages a robust internal piston pump mechanism operated by a smooth, long-stroke hand lever. This mechanical advantage allows the operator to generate massive delivery pressures (typically between 2000 to 4000 PSI) with minimal manual effort.
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Spring-Loaded Follower Plate: Includes a rubber-rimmed internal follower plate that sits directly on top of the grease inside the bucket. The spring-loaded plate cleans the interior walls of the bucket as the grease level drops and prevents air pockets, ensuring continuous, skip-free priming.
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Heavy-Duty Delivery Hose: Ships with a high-pressure, steel-braided, multi-layered rubber discharge hose (typically 1.5 to 2.5 meters long) that resists kinking and swelling under extreme pressure.
Usability & Adaptability
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Universal Grease Coupler: The delivery hose terminates in a standard 4-jaw hydraulic grease coupler that snaps securely onto various styles of grease Zerk nipples, eliminating grease leakage during application.
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Handles High-Viscosity Greases: Designed to easily handle thick, heavy greases up to NLGI Grade 2 (including standard lithium and chassis greases) without clogging the internal intake valves.
Technical Specifications Matrix
| Feature | Standard Specification |
| Brand | Lenhard |
| Operation Type | Manual Lever-Operated |
| Tank Storage Capacity | 10 Liters |
| Output Pressure Range | ~2,000 to 4,000 PSI |
| Discharge Volume | ~5g to 9g per stroke |
| Hose Configuration | High-Pressure Steel-Braided Rubber |
| Compatible Grease Types | Up to NLGI Grade 2 |
| Chassis Material | Powder-Coated Industrial Steel |
Ideal Applications
The Lenhard 10L Grease Pump Bucket is widely used across mechanical service trades for:
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Lubricating the chassis, steering linkages, and suspension pins of heavy commercial trucks and buses.
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Servicing agricultural machinery (tractors, harvesters, and plows) out in remote fields.
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Routine maintenance on construction equipment like excavators, bulldozers, and cranes.
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Industrial manufacturing plant machinery and conveyor belt bearing blocks.






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