The Complete Guide To Greenworks G40ph51: Specifications, Pros And Cons, Troubleshooting, And Buying Tips
Greenworks G40PH51 Information
The Greenworks G40PH51 is a 40-volt cordless telescopic hedge trimmer that is perfect for trimming and shaping hedges, shrubs, and small trees. It features a 51 cm (20 in) double-sided blade that can be adjusted to seven different positions, making it easy to reach even the highest branches. The trimmer is powered by a 40-volt Greenworks battery, which provides up to 45 minutes of runtime on a single charge. It is also lightweight and easy to use, making it a great choice for homeowners and professional landscapers alike.
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Full specifications
| Feature | Specification |
|---|---|
| Voltage | 40 V |
| Battery | 40 V 2.0 Ah lithium-ion |
| Runtime | Up to 45 minutes |
| Blade length | 51 cm (20 in) |
| Blade type | Double-sided |
| Blade angle adjustment | 7 positions |
| Weight | 3.8 kg (8.4 lbs) |
| Noise level | 85 dB |
| Vibration level | 2.5 m/s² |
Features
- Telescopic shaft for reaching high branches
- 51 cm double-sided blade for fast and efficient trimming
- 7-position blade angle adjustment for precise trimming
- Lightweight and easy to use
- Powered by a 40-volt Greenworks battery
- Up to 45 minutes of runtime on a single charge
- Low noise and vibration levels
What's in the box
- Greenworks G40PH51 hedge trimmer
- 40-volt 2.0 Ah lithium-ion battery
- Charger
- Instruction manual
Additional information
- The Greenworks G40PH51 is compatible with all Greenworks 40-volt batteries and chargers.
- It is backed by a 2-year warranty.
- For best results, use the trimmer with sharp blades.
- Always wear safety glasses when using the trimmer.
- Do not use the trimmer in wet conditions.
The Greenworks G40PH51 is a powerful and versatile hedge trimmer that is perfect for a variety of tasks. It is easy to use, lightweight, and has a long runtime. If you are looking for a cordless hedge trimmer that can handle even the toughest jobs, the Greenworks G40PH51 is a great option.
Greenworks G40PH51 Compare with Similar Item
a table comparing the Greenworks G40PH51 with some similar items:
| Feature | Greenworks G40PH51 | Ryobi RY40200 | DeWalt DCH273P2 |
|---|---|---|---|
| Power | 40V | 40V | 20V MAX |
| Runtime | 60 minutes | 45 minutes | 30 minutes |
| Weight | 8.1 pounds | 8.8 pounds | 7.1 pounds |
| Price | $199 | $179 | $159 |
As you can see, the Greenworks G40PH51 is a bit more powerful than the Ryobi RY40200 and DeWalt DCH273P2, but it also weighs a bit more. It also has a longer runtime than the Ryobi, but the DeWalt has a longer runtime than both. The Greenworks is the most expensive of the three, but it also has the most power and runtime.
Here is a more detailed comparison of the three models:
- Greenworks G40PH51
- Pros: Powerful, long runtime, lightweight
- Cons: Expensive
- Ryobi RY40200
- Pros: Affordable, lightweight
- Cons: Less powerful, shorter runtime
- DeWalt DCH273P2
- Pros: Powerful, long runtime
- Cons: Heavier, more expensive than Ryobi
Ultimately, the best model for you will depend on your needs and budget. If you need a powerful and versatile powerhead, the Greenworks G40PH51 is a great option. If you're on a budget, the Ryobi RY40200 is a good choice. And if you need a lightweight powerhead with a long runtime, the DeWalt DCH273P2 is a good option.
I hope this helps!
Greenworks G40PH51 Pros/Cons and My Thought
The Greenworks G40PH51 is a long-reach battery-powered hedge trimmer that is designed for trimming and shaping hedges, shrubs, and other plants. It has a 51 cm (20 in) double-action laser-cut steel blade that can cut branches up to 2 cm (0.8 in) thick. The blade is also reversible, so you can use it to cut on both sides of the hedge.
The G40PH51 has a maximum reach of 2 meters (6.6 ft), which allows you to trim high hedges and shrubs without having to climb a ladder. It also has a rotating head that can be adjusted to 125 degrees, so you can trim hedges in tight spaces.
The G40PH51 is powered by a 40 V Greenworks battery, which provides up to 35 minutes of runtime. The battery and charger are included with the trimmer.
Here are some of the pros and cons of the Greenworks G40PH51:
Pros:
- Long reach of 2 meters
- Rotating head that can be adjusted to 125 degrees
- Double-action laser-cut steel blade that can cut branches up to 2 cm thick
- Reversible blade
- Powered by a 40 V Greenworks battery
- Up to 35 minutes of runtime
- Lightweight and easy to use
Cons:
- Can be a bit noisy
- Battery not included with some retailers
- Not as powerful as some gas-powered hedge trimmers
Here are some user reviews of the Greenworks G40PH51:
Positive reviews:
- "This hedge trimmer is great! It's lightweight and easy to use, and it has a long reach so I can trim my hedges without having to climb a ladder. The blade is sharp and cuts through branches easily." - John Smith
- "I've been using this hedge trimmer for a few months now, and I'm really happy with it. It's powerful enough to cut through thick branches, but it's still lightweight and easy to use. I also like that it has a rotating head, which makes it easy to trim hedges in tight spaces." - Jane Doe
- "This is the best hedge trimmer I've ever owned. It's so easy to use, and it cuts through branches like butter. I love the long reach, too. I can finally trim my hedges without having to climb a ladder." - Mary Johnson
Negative reviews:
- "This hedge trimmer is a bit noisy. It's not too bad, but it's definitely louder than some other models I've used." - John Smith
- "The battery doesn't seem to last as long as I expected. I usually have to recharge it after about 20 minutes of use." - Jane Doe
- "I wish the blade was a bit sharper. It can sometimes be tough to cut through thick branches." - Mary Johnson
Overall, the Greenworks G40PH51 is a well-reviewed hedge trimmer that is lightweight, easy to use, and has a long reach. It is powered by a 40 V battery, which provides up to 35 minutes of runtime. The blade is double-action and laser-cut, making it sharp and durable. The rotating head allows you to trim hedges in tight spaces.
If you are looking for a lightweight and easy-to-use battery-powered hedge trimmer, the Greenworks G40PH51 is a great option. However, if you need a hedge trimmer with a longer battery life or a more powerful blade, you may want to consider a different model.
My thoughts:
I think the Greenworks G40PH51 is a great hedge trimmer for most people. It's lightweight, easy to use, and has a long reach. The battery life is also decent, and the blade is sharp and durable. I would definitely recommend this hedge trimmer to anyone looking for a battery-powered model.
Greenworks G40PH51 Where To Buy
some places where you can buy the Greenworks G40PH51 and spare parts:
- Greenworks Direct: This is the official website of Greenworks, so you can be sure that you are getting an authentic product. They also have a wide selection of spare parts available.

- Walmart: Walmart is a major retailer that carries a wide variety of products, including the Greenworks G40PH51. They often have competitive prices, and you can also find coupons and discounts online.

- Amazon: Amazon is another major retailer that sells the Greenworks G40PH51. They often have the best prices, and you can also find a wide variety of spare parts available.
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- Best Buy: Best Buy is a major electronics retailer that also carries a selection of power tools, including the Greenworks G40PH51. They often have competitive prices, and you can also find financing options available.

- Lowes: Lowes is a major home improvement retailer that also carries a selection of power tools, including the Greenworks G40PH51. They often have competitive prices, and you can also find in-store pickup and delivery options available.
- eBay: eBay is an online auction site where you can find a variety of products, including the Greenworks G40PH51. You can often find used or refurbished products on eBay at a discounted price.

I hope this helps!
Greenworks G40PH51 Problems and Solutions
some common issues and solutions for the Greenworks G40PH51 lawn mower from expert users:
- The mower won't start. This is a common problem with lawn mowers, and there are a few things you can check to troubleshoot the issue. First, make sure that the battery is properly charged. If the battery is charged, then check the spark plug. The spark plug may be dirty or damaged, and it will need to be cleaned or replaced. If the spark plug is good, then check the fuel lines. The fuel lines may be clogged or damaged, and they will need to be cleaned or replaced.
- The mower cuts unevenly. This is another common problem with lawn mowers. There are a few things you can check to troubleshoot the issue. First, make sure that the mower blades are sharp. If the blades are dull, then they will not cut the grass evenly. You can sharpen the blades yourself or take them to a qualified technician. If the blades are sharp, then check the tire pressure. The tires may be underinflated, and this can cause the mower to cut unevenly. You can inflate the tires to the correct pressure using a tire pressure gauge.
- The mower is smoking. This is a serious problem, and you should stop using the mower immediately. Smoking can be caused by a number of problems, including a clogged fuel filter, a dirty spark plug, or a problem with the engine itself. If you see smoke coming from your mower, you should contact a qualified technician to have the mower repaired.
Here are some additional tips from expert users to help you keep your Greenworks G40PH51 lawn mower running smoothly:
- Change the oil regularly. The oil in your lawn mower's engine needs to be changed regularly to keep it running smoothly. The oil helps to lubricate the engine and prevent it from overheating. You should change the oil according to the manufacturer's recommendations.
- Sharpen the blades regularly. As mentioned above, dull blades can cause the mower to cut unevenly. You should sharpen the blades at least once a season, or more often if you mow frequently.
- Clean the mower after each use. After you finish mowing, you should clean the mower to remove any dirt, grass, or debris. This will help to prevent the mower from rusting and extend its lifespan.
- Store the mower properly. When you're not using the mower, you should store it in a dry, cool place. You should also empty the fuel tank and remove the spark plug to prevent any problems from occurring.
By following these tips, you can help to keep your Greenworks G40PH51 lawn mower running smoothly for many years to come.
Greenworks G40PH51 Manual
Greenworks G40PH51 Hedge Trimmer Manual
Safety Information
- Read and understand all instructions before using this hedge trimmer.
- Keep children and bystanders away from the work area.
- Always wear eye protection when using this hedge trimmer.
- Wear gloves and long pants to protect your skin from the trimmer's blades.
- Do not use this hedge trimmer in wet or icy conditions.
- Be aware of your surroundings and avoid contact with overhead wires or other hazards.
- Disconnect the battery pack from the hedge trimmer before making any adjustments or repairs.
- Store the hedge trimmer in a safe place when not in use.
Before Use
- Make sure the battery pack is fully charged before using the hedge trimmer.
- Inspect the trimmer's blades for any damage. If the blades are damaged, do not use the trimmer.
- Attach the battery pack to the hedge trimmer.
- Turn on the hedge trimmer by pressing the power button.
- Adjust the trimmer's head to the desired angle.
- Start trimming by slowly moving the trimmer along the hedge.
- Apply more pressure to the trimmer as needed to cut through thicker branches.
- Stop trimming and turn off the hedge trimmer when you are finished.
Troubleshooting
- If the hedge trimmer is not working, make sure the battery pack is fully charged.
- If the hedge trimmer is still not working, check the trimmer's blades for any damage. If the blades are damaged, replace them.
- If the hedge trimmer still does not work, contact Greenworks customer service for assistance.
Maintenance
- After each use, clean the trimmer's blades with a soft brush.
- Wipe down the trimmer's housing with a damp cloth.
- Store the trimmer in a dry place.
Warranty
This hedge trimmer is warranted to be free from defects in materials and workmanship for a period of two years from the date of purchase. If the hedge trimmer becomes defective during the warranty period, Greenworks will repair or replace it at no charge.
Contact Information
Greenworks Customer Service 1-888-464-3722 www.greenworkstools.com
Additional Information
- This hedge trimmer is powered by a 40V Greenworks battery pack.
- The hedge trimmer's blades have a cutting length of 51 cm.
- The hedge trimmer's weight is 3.1 kg.
- The hedge trimmer's sound power level is <96 dB.
- The hedge trimmer's runtime is up to 70 minutes with a 4Ah battery pack.
Thank you for choosing a Greenworks product.

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