Samson

Samson 348120 Pumpmaster 4 5:1 55 gal

Name: Samson 348120 Pumpmaster 4 5:1 55 gal
Brand: Samson
SKU: 348120

Reliable Lubrication for Heavy-Duty ApplicationsIntroducing the Samson 348120 Pumpmaster 4 5:1 Pump, designed for efficient dispensing of lubricants in large-scale installations. This double-acting, air-operated pump is perfect for setups with multiple outlets requiring simultaneous operation, en...

$972.95*

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*Price sourced from Amazon.com. Last updated:Aug 28, 2026.Price and availability are subject to change — details.

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Overview

Reliable Lubrication for Heavy-Duty Applications

Introducing the Samson 348120 Pumpmaster 4 5:1 Pump, designed for efficient dispensing of lubricants in large-scale installations. This double-acting, air-operated pump is perfect for setups with multiple outlets requiring simultaneous operation, ensuring consistent performance and reliability.

Specifications:

Mounting: Drum bung mounted with bung adaptor
Compatible Fluids: Synthetic and mineral-based oil, gear lube, hydraulic oil, and transmission fluid
Unit Count: 1.0
Package Weight: 22.68 kilograms

Key Features

55 Gallon drum bung mounted with bung adaptor

Fluids handled: Synthetic and mineral based oil, gear lube, hydraulic oil and transmission fluid

Unit count: 1.0

Package Weight: 22.68 kilograms

Specifications

Model

Pumpmaster 4

Ratio

5:1

Drum Compatibility

55 gal

Mounting

Drum bung mounted with bung adaptor

Fluids Handled

Synthetic and mineral based oil, gear lube, hydraulic oil and transmission fluid

Unit Count

1.0

Package Weight

22.68 kilograms

Frequently Asked Questions

What types of fluids can the Samson 348120 Pumpmaster 4 handle?

The Samson 348120 Pumpmaster 4 is designed to handle synthetic and mineral-based oil, gear lube, hydraulic oil, and transmission fluid.

What size drums is this pump designed for?

This pump is designed for 55-gallon drums and comes with a drum bung mounted setup and bung adaptor.

What is the ratio of the Samson 348120 Pumpmaster 4?

The Samson 348120 Pumpmaster 4 has a 5:1 ratio, which is suitable for various fluid transfer applications.

Is this pump easy to install on a drum?

Yes, it is designed for drum bung mounting and includes a bung adaptor to facilitate installation on compatible drums.

What is the weight of the Samson 348120 Pumpmaster 4?

The package weight of the Samson 348120 Pumpmaster 4 is 22.68 kilograms.

Strengths & Trade-offs

👍 Pros

Specifically designed for drum bung mounting with an included bung adaptor for secure installation on 55-gallon containers.
Capable of handling a wide range of fluids including synthetic and mineral-based oil, gear lube, hydraulic oil, and transmission fluid.
Features a 5:1 ratio, indicating effective pressure for fluid transfer in automotive or industrial settings.
Its robust design as part of the Pumpmaster 4 series suggests durability and reliability in operation.
Weighs 22.68 kilograms, suggesting a sturdy build suitable for industrial applications without being excessively heavy for installation.

👎 Cons

The specific 5:1 ratio may not be ideal for all applications, potentially being too slow or too fast depending on the fluid and need.
Designed for 55-gallon drums, making it less versatile for smaller container sizes or other fluid storage solutions.
Its 22.68 kg weight could be a consideration for single-person installation or frequent repositioning, despite its sturdy build.
The product description does not specify additional accessories beyond the bung adaptor, such as hoses or nozzles, which may need to be purchased separately.
As a specialized pump, it may have a steeper learning curve for users unfamiliar with industrial fluid transfer equipment.