Specifications
| Auger/Chain Port | 3/4 SAE ORB (-12) |
|---|---|
| GPS Included? | No |
| Hoist Action | Power Up/Power Down - 1 Port Relief |
| Hoist Control Included | Yes |
| Hoist Control Type | Electric |
| Inlet Port | 3/4 SAE ORB (-12) |
| Magnetic Drain Plug | Yes |
| Main Relief Setting | 2500 |
| Maximum Flow Rate | 40 |
| Maximum Pressure | 3000 |
| Number of Functions Supported | 6 |
| Oil Level/Temperature Gauge Included | Yes |
| Outlet Port | 2 NPT |
| Plow Action | Power Up/Power Down |
| Plow Control Included | Yes |
| Plow Control Type | Electric |
| Port Relief Angle | 1800 |
| Reservoir Material | 304 Stainless Steel |
| Reservoir Mount Position | Side Mount |
| Reservoir Type | Standard |
| Reservoir Volume (Gal.) | 30 |
| Return Line Filter Flow Rating | 50 |
| Return Line Filter Included? | Yes |
| Return Line Filter Rating | 25 |
| Spinner Port | 1/2 SAE ORB (-8) |
| Spreader Control Included | Yes |
| Spreader Control Type | Electric Over Hydraulic |
| Spreader Controller | 3039773 |
| Suction Filter Rating | 150 |
| Suction Filter Flow Rating | 49 |
| Suction Filter Included? | Yes |
| Suction Port | 2 NPT |
| Work Ports | 3/4 JIC (-12) |
The Buyers Products 30 Gallon Central Hydraulic System with 6-Function, Electric/Hydraulic Proportional control and Manual Spreader Velocity Control (Part No. 3039773), complete with a Seat Mount Console and explicitly designated as having No GPS, represents a sophisticated and robust solution engineered for the rigorous demands of medium to heavy-duty mobile equipment applications. This comprehensive system is meticulously designed to consolidate the hydraulic power and operational control for multiple auxiliary functions—specifically a hoist, plow, and spreader, including pre-wet capabilities—into a single, highly efficient, and integrated unit. Its architecture prioritizes streamlined installation, superior operational precision, and enduring reliability in challenging environmental conditions, making it an indispensable asset for municipalities, commercial fleets, and heavy equipment operators.
At the core of this system's value proposition is the centralization of hydraulic power. Unlike setups requiring disparate hydraulic pumps, reservoirs, and control circuits for each implement, this Buyers Products solution provides a unified hydraulic power unit. This integration dramatically reduces the complexity of vehicle upfitting, minimizing the labyrinthine network of hydraulic lines, fittings, and components. The direct implication for installers is a significant reduction in installation time and labor costs. For operators, a centralized system translates into consistent hydraulic performance across all functions, optimized fluid management, and a singular point of maintenance, thereby enhancing overall system reliability and minimizing potential failure points inherent in fragmented systems.
The system's foundation is its robust 30-gallon reservoir assembly. Engineered for harsh environments, the reservoir is constructed from premium 304 stainless steel. This material choice is not arbitrary; 304 stainless steel offers exceptional resistance to corrosion, particularly from road salt, de-icing chemicals, moisture, and abrasive road grime encountered during winter operations. This superior material integrity ensures an extended service life for the reservoir, significantly reducing the likelihood of leaks or structural degradation common with lesser materials. The 30-gallon capacity is strategically chosen to provide ample hydraulic fluid volume, which is critical for supporting multiple, high-demand functions, facilitating adequate heat dissipation, and ensuring a stable fluid supply even under peak operational loads. The side-mount configuration of the reservoir further optimizes vehicle integration, providing practical accessibility for service while maintaining a compact footprint.
Integrated directly onto the reservoir assembly is a purpose-built valve enclosure, also featuring a latching stainless steel lid. This enclosure is crucial for protecting the system's vital directional valves and spreader controls from physical damage, environmental contaminants, and extreme weather conditions. By positioning these critical components directly on the tank, Buyers Products has achieved a streamlined plumbing design, significantly reducing the length of external hydraulic lines and fittings. This not only simplifies installation but also minimizes potential leak points, improves hydraulic efficiency by reducing pressure drops, and makes routine service and troubleshooting considerably more straightforward for maintenance personnel.
A hallmark feature of this system is its advanced Electric-Hydraulic Proportional control technology. Proportional control represents a significant advancement over traditional ON/OFF (discrete) hydraulic systems. Instead of simply engaging or disengaging a function, proportional control allows for infinitely variable flow and pressure delivery to the actuators. This means that the speed and force of a plow lift, hoist descent, or spreader material discharge can be precisely modulated by the operator. The benefits are profound: smoother, more controlled operation, reduced mechanical shock and wear on equipment, enhanced operator comfort, and significantly improved precision in material application or implement positioning. This precision ultimately leads to greater operational efficiency, reduced material waste, and extended equipment lifespan.
The transition from hydraulic lines to in-cab electric controls is another pivotal design element that underscores the system's modern engineering. Historically, hydraulic systems required multiple, often bulky, hydraulic lines to be routed into the vehicle's cab to operate control levers. This practice introduced several drawbacks: increased cab noise from fluid flow, heat transfer into the cab, potential for hydraulic fluid leaks within the operator compartment, and significant consumption of valuable cab space. By utilizing electric signals from the cab controls to actuate electro-hydraulic proportional valves mounted externally on the reservoir, this system completely eliminates the need for high-pressure hydraulic lines inside the cab. This results in a safer, quieter, cooler, and more spacious operator environment, enhancing operator comfort and reducing fatigue during extended shifts.
This particular 30-gallon Central Hydraulic System emphasizes Manual Spreader Velocity Control, a critical distinction as it does not include GPS functionality. While GPS-based systems offer automated adjustments, the manual velocity control empowers experienced operators with direct, tactile authority over material application rates. The proportional spreader operation ensures that both the auger/chain conveyor and the spinner functions can be finely tuned. This means operators can precisely adjust the flow rate of granular materials (like salt or sand) from the auger/chain and the spread pattern/width from the spinner in real-time, based on visual assessment of road conditions, vehicle speed, and desired coverage. The compact 2-function controls provided with this non-GPS version are intuitive, allowing operators to make quick, precise adjustments to auger-conveyor and spinner speeds independently. This manual dexterity, combined with the system's proportional precision, enables highly effective and adaptive material spreading, relying on the operator's expertise to optimize usage and coverage under dynamic conditions.
The system's hydraulic architecture is finely tuned for optimal performance across all six functions. For plow operations, it features an 11 GPM (Gallons Per Minute) capability for a 3-way lift and 4-way angle function. A "3-way lift" typically denotes power up, float, and power down (often gravity-assisted for the latter), providing robust control over plow positioning. The "4-way angle" provides powered left and right angling, ensuring efficient snow removal in various configurations. Critically, the plow circuit incorporates two port reliefs set at 1800 PSI. These port reliefs are essential safety and protection devices, preventing over-pressurization of the plow cylinders and hydraulic lines. They safeguard the plow mechanism from sudden impacts or external forces, absorbing shock and prolonging the lifespan of the cylinders and associated components. This careful design ensures both powerful movement and robust protection for the plow assembly.
For hoist operations, the system delivers a substantial 30 GPM flow rate to a 4-way Double-Acting (DA) dump hoist. A "4-way DA dump hoist" signifies that both the extension (power up) and retraction (power down) of the hoist cylinder are hydraulically powered, offering superior control and force compared to single-acting, gravity-down hoists. This is crucial for precise control over dumping operations, especially when managing heavy or sticky loads. A dedicated down port relief ensures controlled lowering and prevents cylinder damage from excessive load-induced pressure during descent. Furthermore, the inclusion of "power beyond" capability is a significant advantage. Power beyond allows for additional hydraulic functions to be connected downstream from the hoist valve without the need for a separate pump or complex re-plumbing. This feature provides flexibility for future expansion or integration of other hydraulic accessories, making the system highly adaptable.
The operator interface is delivered through a modern, seat-mounted console, designed for optimal ergonomics and accessibility within the cab. This console positions all essential controls within easy reach, minimizing operator strain and maximizing efficiency. The centerpiece of the console is a high-resolution Color TFT-LCD touchscreen display. This advanced display provides a clear, intuitive interface for monitoring system status, making adjustments, and accessing diagnostic information. Operators can view real-time feedback on spreader velocity, plow position, hoist status, and system parameters. The touchscreen functionality simplifies operation, allowing for quick and precise input without cumbersome mechanical levers or an array of discrete buttons, further enhancing operator comfort and productivity during demanding work cycles.
Maintaining the purity and optimal condition of hydraulic fluid is paramount for the longevity and reliable performance of any hydraulic system. The Buyers Products system incorporates a multi-stage filtration strategy to safeguard its components. An in-tank return filter assembly, rated at 25 microns with a 50 GPM flow rating, is strategically placed to capture contaminants that are generated or introduced during hydraulic operation as fluid returns to the reservoir. Furthermore, a suction filter, rated at 150 microns with a 49 GPM flow rating, protects the hydraulic pump by preventing larger particulate matter from entering and causing abrasive wear. The filler-strainer breather cap assembly plays a dual role: it acts as an air filter, preventing atmospheric contaminants from entering the reservoir, and ensures proper air exchange to maintain optimal internal pressure. A magnetic drain plug is also included, serving as a preventative maintenance tool by attracting and holding ferrous wear particles, providing an early indicator of potential internal component wear.
For continuous monitoring of critical system parameters, the reservoir is equipped with a shielded sight temperature gauge. This gauge provides operators with real-time visual feedback on both the hydraulic fluid level and its temperature. Maintaining the fluid within optimal temperature ranges is essential for preventing premature fluid degradation, minimizing viscosity changes that can impact performance, and prolonging the life of seals and other hydraulic components. Overheating, in particular, can lead to rapid fluid breakdown and severe system damage, making this gauge an indispensable tool for proactive maintenance and operational safety. The robust shielding ensures the gauge remains protected from external impacts and environmental exposure.
The system's overall performance is quantified by its robust technical specifications. It is capable of a maximum flow rate of 40 GPM and can sustain a maximum pressure of 3000 PSI, indicating its capacity to handle demanding tasks requiring significant hydraulic power. The main relief setting of 2500 PSI acts as the primary system-wide pressure safety mechanism, protecting all components from excessive pressure spikes. The specific port relief angle of 1800 PSI provides targeted protection for individual work ports, preventing localized over-pressurization. Standardized port connections, including 3/4 SAE ORB (-12) for auger/chain and inlet, 1/2 SAE ORB (-8) for spinner, 2 NPT for outlet and suction, and 3/4 JIC (-12) for work ports, ensure compatibility with a wide range of hydraulic hoses and fittings, facilitating leak-free connections and simplifying future modifications or repairs. These industrial-grade specifications collectively affirm the system's readiness for continuous, heavy-duty operation.
Ease of installation and simplified serviceability were foundational considerations in the design of this central hydraulic system. By integrating the reservoir, valves, and controls into a single unit with streamlined plumbing, the complexity typically associated with multi-function hydraulic setups is significantly reduced. This not only makes initial setup quicker but also ensures that routine maintenance, such as filter changes or valve inspections, can be performed efficiently. As a critical safety note, for applications requiring precise and unwavering load holding, the installer must incorporate Pilot Operated (P.O.) checks or counterbalance valves into the hydraulic circuit. These components are essential for preventing cylinder drift and maintaining the exact position of an implement, such as a raised plow or a tilted dump bed, ensuring operator safety and operational integrity under static load conditions.
In conclusion, the Buyers Products 30 Gallon Central Hydraulic System with 6-Function, Electric/Hydraulic Proportional control and Manual Spreader Velocity Control (No GPS) stands as a premier solution for optimizing the performance of multi-functional work vehicles. Its combination of a durable 304 stainless steel reservoir, advanced electric-over-hydraulic proportional controls, ergonomic in-cab interface, comprehensive filtration, and robust power delivery makes it an exceptionally efficient, precise, and reliable system. Designed to withstand the most challenging operational environments, it empowers operators with superior control over critical functions, streamlining operations, enhancing safety, and delivering sustained high performance for medium to heavy-duty applications without reliance on GPS technology.
