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Graco 114530 Honda Gasoline Engine 5.5HP

High-Performance Power: Graco 114530 Honda Gasoline Engine 5.5Hp

The Graco 114530 Honda Gasoline Engine 5.5Hp delivers exceptional power to tackle the toughest coating projects. Featuring a commercial-grade Honda GX160 motor, it ensures smooth operation and consistent pressure for a variety of applications, including sealants and professional coatings. Its robust steel crankcase and oil bath air filter system provide unmatched durability and reliable performance in extreme conditions, and a low-noise muffler minimizes sound without sacrificing output. Paired with an airless sprayer, this engine maximizes productivity and minimizes downtime, delivering uniform coverage and superior finish quality in every pass.

  • 5.5 horsepower output for heavy-duty spraying tasks
  • Durable construction ensures long service life under continuous use
  • Accessible service points simplify routine maintenance

Optimized for demanding industrial and commercial tasks, the Graco 114530 supports high cosmetic standards and advanced material handling. Its efficient fuel consumption and enhanced durability make it a go-to choice for contractors who require precise control and high-pressure filtration performance on job sites of any scale. Quick-access service panels simplify routine checks, while sturdy vibration-dampening mounts ensure stable operation even under heavy loads.

Retail Price: $1595
You save: $255.2 (16.00%)
Our Price: $1339.8

High-Performance Honda-Powered 5.5HP Gasoline Engine for Industrial Fluid Dispersion

The Graco 114530 Honda Gasoline Engine 5.5Hp combines Honda’s lightweight overhead valve (OHV) architecture with Graco’s precision manufacturing to deliver an optimal powertrain for heavy-duty fluid handling applications. The all-aluminum cylinder block and anodized crankcase ensure corrosion resistance and weight savings, while a precision-balanced crankshaft minimizes vibration under continuous operation. Designed for use with high-pressure pumps and airless sprayer systems, this engine is engineered to maintain consistent torque up to its 3,600 RPM rated speed, making it ideal for dispensing professional coatings, sealants, and elastomers in both field and shop environments.

  • Compact cast-aluminum crankcase for weight optimization
  • Precision-machined camshaft supports increasing pump efficiency
  • Diaphragm-based high-pressure filtration integration points

Integration of Graco’s standard mounting flange allows straightforward coupling to a variety of gear-driven and direct-drive pump heads. The Honda GC190 engine block features a high-strength steel cam lobe, offering extended seal longevity in abrasive or particulate-laden media. User-serviceable oil and fuel filters provide accessible points for maintenance of the high-pressure filtration stage, prolonging both pump life and engine reliability. The robust recoil start mechanism is reinforced by a steel-reinforced starter rope and heavy-duty spring assembly, designed to withstand thousands of cycles in outdoor work environments.

Advanced Materials and Thermal Management

Heat dissipation is managed by a dual-fan cooling system that directs airflow over a ceramic-coated cylinder head. This coating reduces thermal hotspots by up to 15%, helping maintain stable combustion temperatures during peak load conditions. The intake manifold is constructed of a high-temperature polymer composite to reduce thermal transfer to incoming air, improving volumetric efficiency and throttle response. Exhaust ports are lined with a stainless-steel insert to reduce oxidation and resist exhaust gas recirculation wear. Such material selection plays a critical role in applications demanding continuous operation with minimal downtime.

Performance Metrics and Fuel Delivery

The 5.5Hp engine delivers a peak torque of 7.4 lb-ft at 2,500 RPM, optimized for direct coupling with Graco’s high-flow pump designs. The carburetor features a four-position idle and mixture adjustment screw, enabling fine-tuning for altitude or temperature variations. Fuel is metered through a brass float valve assembly for drip-free operation and enhanced cold-start performance. With a fuel consumption rate of approximately 0.6 gal/hr at 3,000 RPM, users can expect extended run times when deploying this engine on remote job sites. This combination of efficiency and power makes it a favorite for contractors requiring consistent spray pressure.

Fluid Handling and Pump Integration

When paired with Graco’s industrial-grade airless sprayer manifolds, the engine delivers smooth, continuous fluid flow for professional coatings and elastomeric membranes. The standard SAE B flange pattern supports a variety of piston and diaphragm pumps, facilitating rapid equipment changeovers in multipurpose spray rigs. The engine’s vibration damping mounts reduce stress on fluid seals and hoses, enhancing overall system pump efficiency. In addition, the crankcase breather is fitted with a cyclone separator to divert entrained oil droplets, protecting downstream components and reducing wear in high-pressure filtration modules.

Maintenance Best Practices

Routine upkeep of the Graco 114530 engine focuses on oil changes every 50 hours and spark plug inspections every 100 hours. The centrifugal oil filter screen is easily accessed via a quick-release cover, allowing trapped debris to be flushed without disassembly. Inspecting the valve lash every 300 hours ensures optimal combustion performance and prevents valve-seat recession. Fuel stabilizer additives can be used to maintain clean carburetor passages during seasonal storage. Proper torqueing of mounting hardware and regular lubrication of the recoil starter pivot points are recommended to preserve reliable startup under demanding field conditions.

Applications and Usage Insights

Ideal for on-site coatings of bridges, industrial tanks, and concrete structures, the Graco 114530 engine excels in environments requiring high-pressure fluid delivery and long duty cycles. When matched with specialized platens and end caps, the engine-driven pump can apply urethane, epoxy, and intumescent coatings at film thicknesses exceeding 30 mils in a single pass. Mobile spray booms benefit from its compact footprint and low-vibration profile, boosting productivity in spray line and boom applications. For contractors and rental fleets, this Honda gasoline engine remains a cornerstone component, balancing power density with serviceability for years of continuous operation.

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