Landworks 20 Ton 7HP 209 CC Gas Powered Log Splitter (GUO079)
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Powerful 20-Ton Log Splitter - 7HP Gas Engine, 11 GPM Pump, Portable Design
Take the hard work out of splitting firewood with the Landworks GUO079 20-Ton Gas Powered Hydraulic Log Splitter. Designed for homeowners, property owners, and firewood enthusiasts, this compact yet powerful log splitter combines 20 tons of hydraulic splitting force with the convenience of a portable, gas-powered design.
Powered by a 7 HP, 209cc 4-stroke gasoline engine, the GUO079 features a dependable 11 GPM, two-stage Bucher hydraulic gear pump that delivers the pressure and hydraulic flow needed to tackle demanding firewood splitting tasks.
With a published 7.5-second cycle time, rapid automatic return, and the ability to handle logs up to 20.5 inches long and 16 inches in diameter, this log splitter helps you process firewood efficiently without the physical strain of splitting logs by hand.
Unlike bulky, traditional hydraulic log splitters, the Landworks GUO079 features a compact horizontal steel beam design, weighing approximately 132 pounds, with 10-inch transport wheels that make it easier to move around your property or worksite.
Whether you're preparing firewood for winter, maintaining a wooded property, or cleaning up fallen trees, the Landworks GUO079 20-Ton Hydraulic Log Splitter provides an excellent combination of splitting power, portability, and ease of operation.
Key Features & Benefits
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Powerful 20-Ton Hydraulic Splitting Force: Delivers up to 20 tons of rated splitting force to help process tough, dense, and seasoned firewood.
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Reliable 7 HP Gasoline Engine: Equipped with a 209cc, 4-stroke gasoline engine that provides dependable power for demanding log splitting applications.
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11 GPM Two-Stage Bucher Hydraulic Pump: Features a two-stage hydraulic gear pump designed to combine rapid cylinder movement with the high-pressure performance needed to split tougher logs.
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Fast 7.5-Second Cycle Time: Published 7.5-second cycle time helps reduce downtime between splitting operations for improved productivity.
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Rapid Automatic Return: The hydraulic control valve features an auto-return function, allowing the ram to retract automatically after completing a split.
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Splits Logs Up to 20.5 Inches Long: Accommodates common firewood lengths, making it well suited for preparing wood for fireplaces, wood stoves, and outdoor fire pits.
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Handles Logs Up to 16 Inches in Diameter: Designed to process a wide variety of firewood rounds, including hardwoods and softwoods within the machine's rated capacity.
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Heavy-Duty Horizontal Steel Beam: Durable steel construction provides a stable splitting platform while maintaining a compact footprint.
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Durable Steel Splitting Wedge: Features a sturdy splitting wedge designed to deliver consistent splitting performance.
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Portable & Lightweight Design: Weighing approximately 132 pounds, the compact GUO079 is easier to reposition than many full-size hydraulic log splitters.
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10-Inch Transport Wheels: Sturdy wheels make it convenient to manually move the splitter around your yard, woodpile, or worksite.
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Convenient Recoil Starting System: Features a traditional pull-start gasoline engine for operation without access to electrical power.
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2.1-Gallon Hydraulic Reservoir: Integrated hydraulic oil tank provides fluid storage for the log splitter's hydraulic system.
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Low-Oil Engine Shutdown Protection: Built-in low-oil shutoff helps protect the gasoline engine when the oil level becomes too low.
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Gas-Powered Convenience: Operates independently of electrical outlets, making it ideal for outdoor firewood processing and remote property maintenance.
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1-Year Manufacturer's Warranty: Backed by a one-year limited manufacturer's warranty covering qualifying defects in materials and workmanship.
Powerful 7 HP Gasoline Engine
The Landworks GUO079 is powered by a 7 HP, 209cc, 4-stroke gasoline engine designed to deliver consistent performance when splitting firewood.
The gas-powered design eliminates the need for extension cords or nearby electrical outlets, allowing you to operate the machine outdoors wherever firewood processing is needed.
The engine features a convenient recoil starting system and an automatic low-oil shutdown feature for added engine protection.
Engine Highlights:
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7 HP gasoline engine
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209cc engine displacement
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4-stroke, air-cooled design
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Recoil / pull-start system
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0.74-gallon fuel tank
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Recommended 87-octane gasoline
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SAE 10W-30 engine oil recommended for general use
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Low-oil automatic shutdown protection
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No electrical power source required
The compact gasoline engine provides the power needed to operate the hydraulic pump while maintaining the machine's portable design.
20-Ton Hydraulic Splitting Power with 2-Stage Bucher Pump
The GUO079 features a two-stage Bucher hydraulic gear pump that helps deliver both fast cylinder movement and increased splitting pressure.
The hydraulic system automatically adjusts to the amount of resistance encountered while splitting wood.
High-Flow Operation: During lighter splitting conditions and cylinder travel, the hydraulic pump provides increased oil flow to help move the ram efficiently.
High-Pressure Operation: When the splitting wedge encounters more resistance, the pump transitions to its high-pressure stage, providing the force needed to split tougher logs.
This efficient hydraulic design helps maximize performance from the 7 HP gasoline engine.
Hydraulic System Highlights:
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20-ton rated splitting force
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11 GPM two-stage hydraulic pump
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Bucher hydraulic gear pump
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7.5-second published cycle time
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Automatic hydraulic ram return
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16-inch hydraulic cylinder stroke
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2.1-gallon hydraulic reservoir
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Compatible with AW32 or AW46 hydraulic fluid
Rapid Auto Return for Faster Firewood Processing
Spend less time resetting the hydraulic ram and more time splitting firewood.
The Landworks GUO079 features a hydraulic control valve with a rapid automatic return function.
After completing a splitting stroke, the operator can engage the return function, allowing the ram to retract automatically while preparing for the next log.
Combined with the published 7.5-second cycle time, this feature helps improve splitting efficiency and reduces repetitive manual control adjustments.
Benefits of Rapid Auto Return:
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Reduces manual ram retraction adjustments
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Helps improve overall splitting productivity
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Allows easier preparation between splitting operations
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Convenient for repetitive firewood processing
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Reduces unnecessary operator effort
Actual cycle times may vary depending on engine speed, hydraulic conditions, and operating load.
Compact, Portable Horizontal Log Splitter
The Landworks GUO079 offers the hydraulic performance of a 20-ton log splitter in a compact, portable configuration.
Its horizontal steel beam design provides a stable splitting surface, while the built-in transport wheels and handle make the machine easier to maneuver around a property.
At approximately 132 pounds, the GUO079 can be a practical alternative to larger hydraulic log splitters when storage space and portability are important.
Portable Design Features:
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Compact horizontal log splitting configuration
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Heavy-duty steel beam and splitting wedge
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Two 10-inch transport wheels
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Integrated manual transport handle
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Approximately 132-pound net weight
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Compact dimensions for convenient storage
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Suitable for residential and recreational firewood processing
Important: The transport wheels are intended for moving the machine manually around a worksite. The GUO079 is not designed to be towed behind a vehicle, ATV, or lawn tractor.
Handles Logs Up to 20.5 Inches Long & 16 Inches in Diameter
The Landworks GUO079 accommodates common firewood sizes for residential heating, recreational fires, and general property maintenance.
With a maximum rated log length of 20.5 inches and a maximum log diameter of 16 inches, it is designed to handle a wide variety of manageable firewood rounds.
The heavy-duty steel splitting wedge concentrates hydraulic force to help separate wood fibers efficiently.
Whether you're splitting pine, fir, oak, maple, or other common firewood species, the GUO079 provides the splitting capability needed for everyday firewood processing.
Performance will vary based on wood species, grain structure, knots, moisture content, and overall log condition.
Product Specifications
| Specification | Details |
|---|---|
| Brand | Landworks |
| Model | GUO079 |
| Product Type | Gas-Powered Hydraulic Log Splitter |
| Splitting Force | 20 Tons |
| Engine Horsepower | 7 HP |
| Engine Displacement | 209cc (Owner's Manual) |
| Engine Type | 4-Stroke Gasoline |
| Engine Cooling | Air-Cooled |
| Starting System | Recoil / Pull Start |
| Fuel Type | Gasoline |
| Recommended Fuel | 87 Octane, Ethanol-Free Preferred |
| Fuel Tank Capacity | 0.74 Gallons |
| Engine Oil | SAE 10W-30 |
| Engine Oil Capacity | 0.145 Gallons / 0.55 Liters |
| Low-Oil Shutdown | Yes |
| Hydraulic Pump | 2-Stage Bucher Gear Pump |
| Hydraulic Pump Flow | 11 GPM |
| Hydraulic Control Valve | Detent with Auto Return |
| Published Cycle Time | 7.5 Seconds |
| Hydraulic Cylinder Stroke | 16 Inches |
| Maximum Log Length | 20.5 Inches |
| Maximum Log Diameter | 16 Inches |
| Operating Position | Horizontal Only |
| Splitting Wedge | Heavy-Duty Steel |
| Hydraulic Fluid | AW32 or AW46 |
| Hydraulic Reservoir Capacity | 2.1 Gallons / 8 Liters |
| Construction | Steel |
| Transport Wheels | 10 Inches |
| Vehicle Towable | No – Manual Transport Only |
| Net Weight | Approximately 132 lbs |
| Assembled Length | 46.38 Inches |
| Assembled Width | 25.59 Inches |
| Assembled Height | 34.05 Inches |
| Emissions | EPA / CARB Listed |
| Manufacturer's Warranty | 1-Year Limited |
Ideal Applications
The Landworks GUO079 20-Ton Gas Log Splitter is an excellent choice for:
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Residential firewood cutting and splitting
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Preparing firewood for wood stoves and fireplaces
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Splitting firewood for outdoor fire pits
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Small acreage and property maintenance
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Homesteads and rural properties
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Seasonal firewood processing
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Storm cleanup and fallen tree processing
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Homeowners looking for a compact gas-powered log splitter
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Firewood enthusiasts who want a portable hydraulic splitter
What's Included
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Landworks GUO079 20-Ton Hydraulic Log Splitter
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7 HP gasoline engine and hydraulic pump assembly
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Transport wheels and applicable assembly components
Frequently Asked Questions
How much splitting force does the Landworks GUO079 provide?
The GUO079 delivers up to 20 tons of rated hydraulic splitting force, making it suitable for processing many common hardwood and softwood firewood species.
What engine powers the Landworks GUO079?
The GUO079 uses a 7 HP, 209cc, four-stroke gasoline engine with a recoil starting system. The engine includes low-oil shutdown protection.
What is the maximum log size the GUO079 can split?
The manufacturer specifies a maximum log length of 20.5 inches and a maximum log diameter of 16 inches. Actual splitting performance depends on the hardness, grain, and condition of the wood.
How fast is the Landworks GUO079?
The GUO079 features a published hydraulic cycle time of 7.5 seconds and an automatic ram return function to help improve firewood processing efficiency.
What hydraulic pump does this log splitter use?
The Landworks GUO079 uses an 11 GPM two-stage Bucher hydraulic gear pump. This design provides high hydraulic flow for faster cylinder travel and increased pressure when splitting tougher wood.
Does the GUO079 have automatic return?
Yes. The hydraulic control valve includes an automatic return detent that allows the splitting ram to retract after completing a splitting operation.
Can the Landworks GUO079 operate vertically?
No. The GUO079 is designed for horizontal splitting only and does not convert to a vertical operating position.
Can the Landworks GUO079 be towed behind a vehicle?
No. Although it includes 10-inch transport wheels and a handle, these components are intended for manually moving the splitter around a worksite.
The manufacturer specifically advises against towing this machine behind vehicles, lawn tractors, or ATVs.
What hydraulic fluid does the GUO079 require?
The manufacturer's manual specifies AW32 or AW46 hydraulic fluid. The hydraulic reservoir holds approximately 2.1 gallons.
Hydraulic fluid is not included and must be added before operation.
Does this log splitter require electricity?
No. The GUO079 is powered by a gasoline engine and operates without an external electrical connection.
How much does the Landworks GUO079 weigh?
The manufacturer's manual lists a net weight of approximately 132 pounds, making it more portable than many larger 20-ton hydraulic log splitters.
Does the Landworks GUO079 require assembly?
Yes. Some assembly is required before initial use. Follow the included operator's manual to properly assemble the machine and prepare the engine and hydraulic system.
Can I operate this log splitter inside a garage or shed?
No. Gasoline engines produce carbon monoxide, which can be deadly in enclosed spaces. Always operate the GUO079 outdoors, away from doors, windows, vents, and occupied structures.
What warranty comes with the Landworks GUO079?
The GUO079 includes a one-year limited manufacturer's warranty covering qualifying defects in materials and workmanship. Warranty coverage is subject to the manufacturer's applicable terms and exclusions.
Why Choose the Landworks GUO079 20-Ton Hydraulic Log Splitter?
The Landworks GUO079 is an excellent option for property owners who want substantial hydraulic splitting power without the size and weight of a traditional full-size log splitter.
Its 20-ton hydraulic system, 7 HP gas engine, 11 GPM two-stage Bucher pump, and rapid auto-return function provide the features needed to make firewood processing easier and more efficient.

NOTE: Most products require at least some assembly.
Shipping Disclaimer
Due to rising fuel costs, limited freight capacity, and delivery restrictions in certain areas, some shipments may be subject to an additional remote area, out-of-area or limited-access delivery fee. If additional shipping charges are required to complete your order, we will contact you after the order is placed and provide available options including possible terminal pick up. (Read more about our shipping policy and how freight shipping works.)
CALIFORNIA PROPOSITION 65 WARNING
Some (not all) of the products we carry can potentially expose you to chemicals including Benzene and Carbon Monoxide, which are known to the State of California to cause cancer and birth defects or other reproductive harms. If you have any questions you can always contact us.



