SENIX 20-Inch 144cc Gas Push Lawn Mower vs SENIX 17-Inch 40V Cordless Push: Spec Comparison
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You are comparing the senix 20 inch 144cc gas push lawn mower vs 17 inch 40v cordless push. Both are push mowers from SENIX, designed for lawn maintenance without self-propulsion. They differ in power source and cutting capacity. The gas model offers a wider cut and engine power for tough jobs, while the cordless option provides instant start and battery runtime. You will choose based on yard size and maintenance preference.
Key differences
| Aspect | SENIX 20-Inch 144cc Gas Push Lawn Mower | SENIX 17-Inch 40V Cordless Push Mower |
|---|---|---|
| Power Source | Gas, 144cc 4-cycle | 40V battery (2x 20V) |
| Cutting Width | 20 in | 17 in |
| Cutting Height Positions | 3 positions (1.35" / 2.3" / 3.15") | 6 positions (1" to 3") |
| Motor Type | Not listed | Brushless |
| Deck Material | Not listed | Poly |
| Mowing Function | Not listed | 2-in-1 (mulch or bag) |
Which one should you choose?
Choose SENIX 20-Inch 144cc Gas Push Lawn Mower if
- You need a wider 20-inch cut to cover ground faster
- You prefer gas power for long, uninterrupted runs
- You want to handle overgrown grass or weeds
Choose SENIX 17-Inch 40V Cordless Push Mower if
- You want instant push-button starts without pull cords
- You need up to 45 minutes of runtime on a charge
- You prefer a lighter 36-pound unit for easy storage
Verdict: The gas mower suits larger yards or tougher grass due to its 20-inch width and engine power. The cordless model is better for smaller spaces where quiet operation and easy storage matter. Choose the gas version for raw cutting width, or the battery version for convenience and low maintenance.
Gas vs Cordless SENIX Mower Specs
Cutting Width
The SENIX 20-Inch 144cc Gas Push Lawn Mower features a 20-inch cutting width. This broader deck allows you to cover more ground with each pass, which can save time on larger lawns. In contrast, the SENIX 17-Inch 40V Cordless Push Mower has a 17-inch cutting width. While narrower, it is designed for smaller to medium yards where maneuverability is key. The three-inch difference is significant for efficiency. If you have a wide, open lawn, the wider gas model reduces the number of passes needed. For tighter spaces, the narrower cordless option may feel less cumbersome. You should choose based on your yard size.
Power Source
Power delivery defines the user experience for each mower. The SENIX 20-Inch 144cc Gas Push Lawn Mower uses a 144cc four-cycle gas engine. This provides consistent power without worrying about battery levels, but requires fuel and oil maintenance. The SENIX 17-Inch 40V Cordless Push Mower runs on a 40V battery system. It offers instant push-button start and zero emissions during use. You get up to 45 minutes of runtime with the included dual batteries. The gas mower needs refueling, while the cordless model needs charging. Gas offers unlimited runtime, while cordless offers cleaner, quieter operation.
Motor Type
The motor technology differs significantly between these two models. The SENIX 17-Inch 40V Cordless Push Mower utilizes a brushless motor. Brushless motors are generally more efficient, durable, and require less maintenance than brushed alternatives. They provide better power-to-weight ratios and longer lifespans. The SENIX 20-Inch 144cc Gas Push Lawn Mower uses a standard four-cycle internal combustion engine. While powerful, gas engines have more moving parts and require regular oil changes and spark plug checks. The brushless electric motor offers a maintenance advantage. You will spend less time on mechanical upkeep with the cordless model.
Cutting Height
Adjustability allows you to tailor the cut to your grass conditions. The SENIX 20-Inch 144cc Gas Push Lawn Mower offers three cutting height positions: 1.35 inches, 2.3 inches, and 3.15 inches. This provides basic flexibility for standard lawn care. The SENIX 17-Inch 40V Cordless Push Mower provides six positions ranging from 1 inch to 3 inches. This finer granularity lets you make precise adjustments for different seasons or grass types. The cordless model offers more control over cut height. If you prefer a manicured look with specific height settings, the six-position lever is superior.
Weight and Portability
Handling characteristics affect how easy the mower is to push and store. The SENIX 20-Inch 144cc Gas Push Lawn Mower weighs 39.3 pounds. Its dimensions are 21.8 inches wide, 13 inches high, and 25.6 inches long. The SENIX 17-Inch 40V Cordless Push Mower weighs 36 pounds, making it slightly lighter. Its folded dimensions are 16.5 inches wide, 38 inches high, and 51 inches long. The cordless model features a folding handle for compact storage. The gas model is more compact when stored but heavier to push. Lighter weight reduces fatigue during mowing sessions.
Deck Material
The deck construction impacts durability and grass management. The SENIX 17-Inch 40V Cordless Push Mower features a poly deck. Poly decks are known for being lightweight and resistant to rust and corrosion. They also tend to be quieter during operation. The deck material for the SENIX 20-Inch 144cc Gas Push Lawn Mower is not specified in the provided data. Poly decks offer a maintenance advantage regarding rust prevention. If you live in a humid climate, the poly deck may retain its condition longer. Metal decks can rust over time if not cleaned properly.
Which SENIX mower fits your needs
Users with large or overgrown lawns
The 20-inch cutting width covers more ground per pass, saving time on bigger areas. Its 144cc gas engine handles thick weeds and wet grass without clogging. The 7-inch wheels provide reliable traction on slopes and rough terrain, making it easier to push uphill. You get a wider cut and raw power for demanding jobs.
Owners of small to medium yards
This 17-inch model is compact and lighter at 36 pounds, making it easy to maneuver in tight spaces. You get up to 45 minutes of runtime with two included batteries. The brushless motor starts instantly with a push button. You also benefit from a 5-year warranty on the mower and 3-year coverage on the batteries.
Buyers wanting low maintenance and quiet operation
You avoid gas, oil, and pull-cords with this cordless option. The brushless motor runs quietly and requires less upkeep. You can choose between mulching or bagging with the 2-in-1 design. The ECO mode extends battery life for quick touch-ups. You start instantly and stop when the job is done, with no fuel spills or fumes.
The products compared
SENIX 20-Inch 144cc Gas Push Lawn Mower
Best for: Small yards and slopes requiring gas power
- Power Source
- Gas
- Cutting Width
- 20 in
- Drive Type
- Push
- Cutting Height
- 1.35-3.15 in, 3 positions
- Application
- Yard, Lawn
- Dimensions
- 25.6 × 21.8 × 13 inches
View on Amazon: SENIX 20-Inch 144cc Gas Push Lawn Mower Affiliate link
This SENIX model features a 144cc 4-cycle gas engine and a 20-inch cutting deck. It is a push mower weighing 39.3 pounds, designed for small yards and tight spaces. The 7-inch wheels provide traction on slopes and rough terrain. You get three cutting height settings ranging from 1.35 to 3.15 inches. It includes oil and tools for immediate use. This setup suits those who prefer gas power over battery charging.
Pros
- 20-inch cutting width covers more ground per pass
- 144cc 4-cycle gas engine handles overgrown grass
- 7-inch wheels improve traction on slopes and rough terrain
- Includes oil and tools for quick assembly
Cons
- Push drive requires physical effort to operate
- Only three cutting height positions available
- Requires gasoline and regular engine maintenance
Good fit if
- You have a small yard with narrow passages
- You prefer gas power and want to avoid battery charging
- You need to mow slopes or uneven terrain
Skip if
- You want a self-propelled mower for large flat lawns
- You prefer electric battery-powered operation
- You need precise height adjustments beyond three settings
Verdict: SENIX 20-Inch 144cc Gas Push Mower is a lightweight, gas-powered option for small yards and tight spaces. It fits buyers who want to avoid battery charging and need traction on slopes.
SENIX 17-Inch 40V Cordless Push Mower
Best for: small to medium yards
- Power Source
- 40V battery
- Cutting Width
- 17 in
- Voltage
- 40V
- Drive Type
- push
- Battery Capacity
- 5Ah
- Runtime
- up to 45 min
View on Amazon: SENIX 17-Inch 40V Cordless Push Mower Affiliate link
This SENIX 17-inch push mower uses a 40V brushless motor and two 20V 5Ah batteries for up to 45 minutes of runtime. It features a 2-in-1 design for mulching or bagging, with a 6-position height adjustment from 1 to 3 inches. The compact poly deck and folding handle make it suitable for small to medium yards. You get a 13-gallon bagger and an on-board charge indicator.
Pros
- Brushless motor for efficient power delivery
- Includes two 20V 5Ah batteries for up to 45 minutes of runtime
- 2-in-1 mulching and bagging capability with a 13-gallon bagger
- 6-position single-lever height adjustment from 1 to 3 inches
- Folding handle for compact storage and transport
Cons
- 17-inch cutting width is narrower than the 20-inch gas model
- Push drive requires manual effort to move
- 45-minute runtime may limit use on larger lawns
Good fit if
- You have a small to medium-sized yard
- You prefer the convenience of cordless operation over gas
- You need a lightweight mower for easy storage
Skip if
- You require a wider 20-inch cutting deck
- You need self-propelled drive for hilly terrain
- You want to mow areas larger than 45 minutes of runtime allows
Verdict: SENIX 17-Inch 40V Cordless Mower is a practical choice for homeowners with small to medium yards who value quiet, emission-free operation and easy storage over raw cutting width.
Specifications side by side
| Spec | SENIX 20-Inch 144cc Gas Push Lawn Mower | SENIX 17-Inch 40V Cordless Push Mower |
|---|---|---|
| Power Source | Gas | 40V battery |
| Cutting Width | 20 in | 17 in |
| Voltage | not stated | 40V |
| Drive Type | Push | push |
| Battery Capacity | not stated | 5Ah |
| Runtime | not stated | up to 45 min |
| Deck Material | not stated | poly |
| Cutting Height | 1.35-3.15 in, 3 positions | 1-3 in, 6 positions |
| Mowing Function | not stated | 2-in-1 |
| Motor Type | not stated | brushless |
| Application | Yard, Lawn | Lawn |
| Size | 20" | 17-Inch |
| Dimensions | 25.6 × 21.8 × 13 inches | 51 × 16.5 × 38 inches |
| Weight | 39.3 pounds | 36 pounds |
| Color | Blue | Blue |
| Model | LSPG-L4 | LPPX2-M5 |
Frequently asked questions
Which SENIX mower is lighter to carry?
The SENIX 17-Inch 40V Cordless Push Mower is lighter. It weighs 36 pounds, compared to the gas model's 39.3 pounds. This difference makes the cordless version slightly easier to lift or maneuver when moving it to storage. You will notice the weight difference when handling the units manually.
Does either mower come with a battery included?
The product data does not specify if a battery is included with the SENIX 17-Inch 40V Cordless Push Mower. You should check the packaging details or retailer listings for battery inclusion. The gas model requires fuel and oil but does not use a battery for operation.
How wide is the deck on each mower?
The gas mower has a 20-inch cutting width, while the cordless model features a 17-inch width. The gas deck is three inches wider, allowing you to cover more ground per pass. This makes the gas model more efficient for larger lawns compared to the narrower cordless deck.
What is the motor type for the cordless model?
The SENIX 17-Inch 40V Cordless Push Mower uses a brushless motor. This type of motor typically offers better efficiency and longer lifespan than brushed alternatives. The gas mower relies on a 144cc engine instead, which is a standard internal combustion setup for push mowers.
Are these mowers self-propelled?
No, both mowers are push models. You must provide the forward momentum to move either the gas or cordless unit. Neither model includes a drive system to propel itself. You will need to walk behind the mower to control its speed and direction during use.
What is the height of each mower?
The gas mower stands 13 inches tall, while the cordless mower is 38 inches tall. The significant height difference affects storage space requirements. The cordless model requires more vertical clearance in your garage or shed, whereas the gas mower fits into lower storage areas more easily.
Which mower is better for slopes?
The SENIX 20-Inch 144cc Gas Push Lawn Mower is better for slopes. Its 20-inch cutting width and gas power provide more traction and cutting power on uneven terrain. The lighter cordless model may struggle with traction on steep inclines compared to the heavier, gas-powered option designed for such conditions.
Does the cordless mower have a mulching function?
The SENIX 17-Inch 40V Cordless Push Mower is listed as a 2-in-1 mower. This typically means it can mulch and bag clippings. The gas model's specific functions are not detailed in the provided data, so you should verify its capabilities with the manufacturer if mulching is a priority.