In today's hydraulic equipment market, the term "BorgWarner gear pump" (or legacy references to "BorgWarner hydraulic/gear pump") continues to show up on equipment specs, as OEM identifications, or aftermarket parts lists. Yet for many users - system designers, maintenance engineers, procurement managers - the signal behind that name has become less clear. Is "BorgWarner" still supplying those pumps? Are spare parts readily available? How stable is the supply chain if they rely on legacy gear pumps?
What Happened with BorgWarner & the Legacy Hydraulic Pump Business

BorgWarner's historical role in pumps & hydraulics
BorgWarner was once involved in the production of gear‑type fuel and hydraulic pumps. Their Wooster, Ohio facility historically produced gear‑type fuel and hydraulic pumps for both industrial and farm equipment applications.
In mid‑20th century, this pump production was part of a broader portfolio including components for transmissions and drivetrains - which reflected BorgWarner's roots as a supplier of drivetrain, transmission, and related mechanical components.
Transition and divestment: From BorgWarner to Rexroth
According to available records, at some point the Wooster, Ohio facility that produced hydraulic and gear‑type pumps under BorgWarner became part of what was known as "Rexroth Corporation."
Later, "Rexroth Corporation" - along with other technology/business units - merged under Bosch Rexroth (a subsidiary of Robert Bosch GmbH).
As a result of this transition, the direct lineage of BorgWarner's hydraulic‑pump production was absorbed into Rexroth/Bosch‑Rexroth, implying that the original BorgWarner‑branded hydraulic‑pump lines effectively became legacy products.
Market consolidation & impact on hydraulic pump supply chains
Over time, the hydraulic pump and component market has seen consolidation: large players with broad hydraulics portfolios (like Bosch Rexroth) have absorbed smaller or legacy producers, acquiring their technology, manufacturing assets, and customer base.
As one example of ongoing consolidation, Bosch Rexroth in 2023 completed acquisition of HydraForce - a well‑known supplier of compact hydraulic valves and systems - to strengthen its global hydraulics offering.
This consolidation trend underscores that many legacy pump models (including those originally under BorgWarner) may no longer be actively manufactured or supported under their original brand, but rather subsumed, re‑branded, or discontinued according to strategic shifts.
Current Hydraulic‑Pump Market Landscape & Risks of Legacy Pumps
Market Dynamics: Consolidation and Shift Toward Specialized Hydraulic Suppliers
The global hydraulic power unit and hydraulic pump market continues to grow: one recent market report projects that the global hydraulic power unit market could reach USD 21,374 million by 2033, driven by rising demand across sectors like construction, manufacturing, energy and infrastructure.
At the same time, consolidation among major hydraulic suppliers is accelerating. For example, Bosch Rexroth (Bosch‑owned hydraulics specialist) in 2023 completed its acquisition of HydraForce - a well‑known independent supplier of compact hydraulic valves and integrated hydraulic solutions.
Through such acquisitions and mergers, large suppliers are expanding their global footprint, product ranges, and service/support capabilities. Bosch Rexroth reported that the HydraForce acquisition strengthens its global hydraulics offering, including improved regional coverage, supply‑chain resilience, and expanded distribution networks.
As these major players grow, they are more able to invest in R&D, modernization, compact‑hydraulics designs, and global manufacturing networks - which improves supply availability, spare‑parts support, and long‑term footprint stability.
Hence, the hydraulic‑pump market is progressively moving away from fragmented small/legacy manufacturers and toward consolidated, globally supported suppliers - or toward specialized hydraulic pump manufacturers who can guarantee supply and support.
Why "Legacy Pumps" (Including Old Gear/Hydraulic Pumps) Are Becoming Risky
Relying on older or legacy‑brand hydraulic pumps (for instance, pumps once branded under legacy names) carries growing risks - in terms of supply, maintenance, and long‑term viability. Key concerns include:
- Supply and spare‑parts uncertainty: Once companies merge, rebrand, or exit certain product lines, legacy pumps may no longer be actively produced. This can make finding replacement units or spare parts difficult or impossible. For procurement teams and maintenance managers, this means increased lead times, potential delays, and risk of obsolescence.
- Discontinued support & documentation: With brand transitions and corporate restructuring, older pump models may lose manufacturer support - spare‑part catalogs, maintenance instructions, warranty, and service networks may become unavailable or fragmented.
- Compatibility and standardization issues: Modern hydraulic systems increasingly rely on compact hydraulics, modular systems, and standardized components. Legacy pumps may not meet new system requirements (size, interface, efficiency, compliance, fluid standards), making integration harder.
- Long‑term maintenance burden and downtime risk: If a legacy pump fails and no direct replacement or support is available, operators may face extended downtime, costly redesign or retrofit, or need to source obsolete spare parts at high cost - which is often far more expensive than proactively upgrading to supported pumps.
- Market shift away from legacy solutions: As large players focus on modern hydraulic technologies, support for older technologies may steadily decline. Over time, legacy pumps may become increasingly marginal in global supply chains.
Given these risks, organizations relying on older hydraulic pumps (even if labeled under "legacy brand names") should carefully assess whether staying with legacy equipment is worth it - especially for critical systems, heavy‑duty machinery, or long‑term operations.
Market Trends Favoring New Hydraulic Pump Suppliers and OEM/ODM Manufacturers
The growth forecast for hydraulic power units signals increasing demand for modern, efficient, and compact hydraulic systems - which in turn drives demand for up‑to‑date pump technology, standardized parts, and reliable supply chains.
Consolidated suppliers like Bosch Rexroth leverage acquisitions (e.g. HydraForce) to offer broader product portfolios - including compact hydraulics and integrated solutions - which are better aligned with modern requirements for power density, efficiency, modularity, and global support.
For OEM customers, system integrators, and maintenance providers, partnering with specialized pump manufacturers (or well‑supported global suppliers) offers greater certainty: consistent supply, appropriate spare‑parts, engineering support, compatibility, and long‑term service.
In light of these dynamics, legacy pumps increasingly represent a supply‑chain and maintenance risk, whereas collaboration with modern hydraulic pump suppliers or manufacturers that commit to continuity, customization, and support is becoming a safer, more strategic choice.

Practical Recommendations for Buyers Considering Hydraulic Pump Replacement or New Purchase
If you are evaluating whether to replace legacy pumps (e.g. old gear‑pumps formerly branded under legacy or legacy‑inheritance names) or to purchase new hydraulic pumps for a new or upgraded system - here are concrete recommendations:
Audit Your Current Equipment & Future Needs
Inventory what pumps you currently use - record brand, model (if any), displacement/flow, pressure rating, fluid type, operating environment (temperature, contamination risk), seal / maintenance history.
Estimate future requirements - consider whether your system demand will change (higher pressure, different fluid viscosity, more frequent cycles, environmental or regulatory constraints).
Check spare‑parts availability - for any legacy pump, attempt to source spare parts (seals, shafts, replacement units). If spare parts are hard to find or lead times are long, that is a strong risk indicator.
If You Use or Source Legacy‑Branded Pumps, Treat it as High Risk
For critical systems (industrial manufacturing, mobile machinery, OEM machines, plants where downtime is costly), avoid relying solely on legacy pumps with uncertain supply/support.
If spare‑parts availability is uncertain or legacy brand support is discontinued, plan for a transition - even if the pump works now, future maintenance or failure could lead to long delays or expensive downtime.
Factor in total lifecycle cost - not just purchase price, but maintenance, spare parts, possible retrofit or redesign if replacement parts become unavailable.
Favor Suppliers with Full Product Lines, Customization, Spare‑Parts Support, and Long‑Term Stability
When selecting a hydraulic pump supplier, prioritize these criteria:
- Diverse product offering - pumps (piston, gear, vane), hydraulic motors, valves, power units, steering units, etc. This simplifies procurement and ensures compatibility across system components.
- Customization capability (OEM/ODM) - ability to design pumps for specific displacement, pressure, fluid type or mounting requirements.
- Spare‑parts availability & after‑sales support - access to seals, maintenance kits, replacement units, technical documentation, and support for installation or troubleshooting.
- Manufacturing oversight & supply‑chain control - supplier owns production (or has reliable production base), minimizing risk of obsolescence or discontinuation.
- Future‑proof design & compliance with evolving standards - pumps designed to meet modern requirements (durability, efficiency, leak/noise standards, fluid compatibility, etc.), to ensure long-term reliability.
For many companies - especially OEMs, system integrators, maintenance departments - working with a dedicated hydraulic pump supplier that meets these criteria is often more cost‑effective and lower‑risk in the long run than trying to rely on legacy-brand legacy‑model pumps.
If Migrating From Legacy Pumps - Perform Controlled Replacement or Retrofit Strategy
Evaluate whether to do "like‑for‑like" replacement (same pump type / interface) or redesign parts of the system to accommodate modern, potentially more efficient pump types.
Test new pump under real working conditions (pressure, temperature, fluid, duty cycle) before full deployment.
Ensure availability of spare parts and maintenance kits at the time of purchase.
If possible, plan for modular design - so future maintenance, replacement or upgrades are easier without redesigning entire systems.
Conclusion & Call to Action
The global hydraulic pump / hydraulic‑power‑unit market is expanding steadily - driven by growth in infrastructure, industrial automation, mobile machinery, and demand for efficient, reliable hydraulic systems.
At the same time, consolidation among suppliers and the rise of specialized, full‑service hydraulic manufacturers or integrated hydraulic‑system providers - rather than fragmented legacy‑brand vendors - has redefined supply‑chain reliability, spare‑parts support, and long‑term maintenance feasibility.
Given these dynamics, relying on legacy gear‑pumps or legacy‑brand hydraulic pumps (especially those whose original maker no longer supports them) represents a growing risk: supply-chain uncertainty, difficulty obtaining spare parts, maintenance challenges, potential downtime, and lack of future‑proofing.
For companies, OEMs, equipment operators, and maintenance teams seeking long-term reliability, flexibility, and support - working with a dedicated hydraulic pump manufacturer (such as Poocca) that offers:
- broad product range (pumps, motors, valves, power units)
- OEM/ODM customization potential
- stable supply and spare‑parts availability
- after‑sales support and lifecycle services
is often the more strategic and safer choice.
Call to Action: If you are considering replacing legacy pumps, designing a new hydraulic system, or seeking a stable, reliable partner for pump supply - contact Poocca. We will review your application requirements (flow, pressure, fluid type, interfaces), help select or design the right pump or hydraulic power unit, and support you throughout procurement, commissioning, and maintenance. Let's work together to build hydraulic systems that deliver performance - today and for decades to come.
FAQ (in English)
Q1. What if my system still refers to "BorgWarner gear pump" but spare parts are unavailable - what should I do?
A1. That's a common issue when relying on legacy‑brand hydraulic pumps. Since original production or support may have stopped, spare parts (seals, shafts, spare pumps) may be scarce or discontinued. It's wise to audit your system (specs, fluid, operating conditions) and contact a stable hydraulic‑pump supplier (with OEM/ODM capabilities and spare‑parts support) to assess replacement or upgrade options.
Q2. How important is hydraulic fluid cleanliness and viscosity when using a gear pump?
A2. Extremely important. Gear pumps (and many hydraulic pumps) require clean, properly filtered fluid with suitable viscosity. Contaminated oil or incorrect viscosity significantly accelerates wear, causes internal leakage, reduces efficiency, and shortens pump life.
Q3. My old pump still works fine. Why should I switch to a new pump from a reliable manufacturer?
A3. Even if a legacy pump seems functional, its long‑term risks include unavailability of spare parts, uncertain maintenance support, potential performance degradation, and compatibility issues with modern system requirements. For critical or long‑lifecycle systems, moving to a new, supported pump reduces risk of unexpected downtime and maintenance difficulties.
Q4. What criteria should I use when selecting a new hydraulic pump or supplier?
A4. Key criteria include: whether the supplier offers a full product line, spare‑parts availability and after‑sales support, OEM/ODM customization (pressure, flow, fluid compatibility, mounting), pump type suitability for your fluid and load, and long‑term supply‑chain stability. It's also wise to evaluate maintenance needs, fluid filtration, and operating conditions before purchase.






