CBNA-15/3.0 Log Splitter Hydraulic Pump 2 Stage Log Splitter Pumps

The CBNA-15/3.0 Log Splitter Hydraulic Pump is a two-stage hydraulic gear pump designed for log splitters and similar applications like presses, machine tools, and compactors. It features a large displacement low-pressure stage (15 GPM) for rapid cylinder movement and a small displacement high-pressure stage (3 GPM) for high-force tasks, automatically switching between stages at a preset low-pressure range of 400-900 PSI. With a maximum pressure of 3,000 PSI and a speed of up to 3,600 RPM, it’s ideal for 5 to 35-ton log splitters. The pump has a cast iron front, aluminum body, 1/2" shaft, and requires a minimum 9.5 HP gas engine. It uses AW-32 or AW-46 hydraulic fluid and a 4-bolt mount.

CBNA-15/3.0 Log Splitter Hydraulic Pump Specifications

Benefits of 2 Stage Hydraulic Pump for Log Splitter

1. Enhanced Efficiency Through Dual-Stage Operation: The 2 stage hydraulic pump for log splitter optimizes performance by using a high-flow, low-pressure stage for rapid cylinder extension and a low-flow, high-pressure stage for splitting, reducing cycle time and boosting productivity for log splitting tasks.
2. Increased Power for Tough Logs: The high-pressure stage delivers up to 3,000 PSI, providing the force needed to split dense or knotty logs effectively, ensuring reliable performance even with challenging wood types, reducing the need for manual intervention.
3. Faster Cycle Times: By switching to a high-flow stage (e.g., 15 GPM) during low-resistance movement, the log splitter hydraulic pump speeds up ram travel, allowing quicker log splitting cycles, which is ideal for high-volume operations and time-sensitive tasks.
4. Reduced Engine Strain: The hydraulic log splitter pump’s automatic stage switching minimizes engine load by using low-pressure mode for lighter tasks, extending the lifespan of the engine and reducing fuel consumption, making it cost-effective for prolonged use.
5. Versatility Across Log Splitter Sizes: Suitable for 5 to 35-ton log splitters, the log splitter pump’s adaptable flow and pressure settings make it compatible with various machine sizes, offering flexibility for both residential and commercial log splitting applications.
6. Durable and Reliable Design: Constructed with a cast iron front and aluminum body, the hydraulic pump log splitter withstands high-pressure operations and harsh conditions, ensuring long-term reliability and minimal maintenance, even in demanding outdoor environments.

Single Stage vs Two Stage Hydraulic Log Splitter Pumps

A hydraulic log splitter pump is a critical component that drives the splitting force, and choosing between a single-stage and two-stage pump depends on the intended use, efficiency needs, and power requirements. Both types serve the same purpose—pressurizing hydraulic fluid to move the splitting wedge—but they differ in design, performance, and application.

Single-Stage Hydraulic Log Splitter Pumps: These log splitter hydraulic pumps operate at a constant flow rate and pressure, delivering hydraulic fluid at a fixed speed regardless of the load. They are simpler in design, with fewer moving parts, which makes them more affordable, easier to maintain, and less prone to mechanical failure. Single-stage log splitter pumps typically produce lower pressure and are best suited for light-duty or occasional use, such as splitting softwoods or smaller logs. They are often found in consumer-grade log splitters powered by smaller engines. However, their fixed flow rate means slower cycle times and reduced efficiency when splitting denser or larger logs, as they lack the ability to adjust pressure dynamically.

Two-Stage Hydraulic Log Splitter Pumps: Two-stage log splitter pumps are designed for higher efficiency and versatility. They operate in two modes: a high-flow, low-pressure stage for rapid ram movement when little resistance is encountered (e.g., initial splitting), and a low-flow, high-pressure stage when greater force is needed to split tough or knotty logs. This dual-mode operation significantly reduces cycle times and improves fuel efficiency, as the pump adjusts dynamically to the load. Two-stage pumps are typically paired with more powerful engines, handling larger logs and hardwoods like oak or maple. They are ideal for frequent or professional use where speed and power are priorities.

Comparison and Considerations: Single-stage hydraulic pumps excel in simplicity and affordability but lack the power and speed for demanding tasks. Two-stage hydraulic pumps offer superior performance and efficiency but come at a higher price and complexity. When choosing, consider the log size, wood type, frequency of use, and budget. For occasional home use, a single-stage pump suffices; for heavy or commercial splitting, a two-stage pump is the better investment.