
SENIX 170cc 21" Self-Propelled Gas Lawn Mower
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Our take on the SENIX 170cc 21" Self-Propelled Gas Lawn Mower
The SENIX 170cc is a 21-inch gas walk-behind mower with rear-wheel self-propulsion and variable speed, so it pulls itself up slopes and around beds instead of being pushed. It offers three clipping routes — bag, side discharge or mulch — and six cutting heights, which is more flexibility than most fixed-speed mowers in its class. The steel deck and 8-inch front / 11-inch rear wheels suit small to medium yards with mixed terrain. It is a straightforward gas machine: no electric start, so expect a pull cord and routine engine upkeep.
- Rear-wheel self-propulsion with variable speed
- Three discharge modes: bag, side discharge, mulch
- Six cutting-height positions
- Deep dome steel deck aids mulching
- Large 11-inch rear wheels roll over rough ground
SENIX 170cc 21" Self-Propelled Gas Lawn Mower prices at every store
- WalmartNew
Out of stockSold by SENIX ToolsReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
$359.00Free shippingChecked 23 min ago
About the SENIX 170cc 21" Self-Propelled Gas Lawn Mower
The SENIX 170cc 21" Gas Self-Propelled Lawn Mower is made for small and medium-sized yards. Its self-propelled function helps with maneuvering. It has 6 adjustable cutting heights.
The mower can bag clippings, discharge them to the side, or mulch them. A sharp blade and a deep dome deck support mulching. The deck is made of DC04-06 low-carbon, high-strength steel.
It rolls on 8" front wheels and 11" variable speed rear wheels.
- Engine
- 170cc gas
- Cutting width
- 21"
- Drive
- Self-propelled, variable speed rear wheels
- Cutting heights
- 6 adjustable heights
- Discharge
- Bagging, side discharge or mulching
- Deck
- DC04-06 low-carbon, high-strength steel, deep dome
- Wheels
- 8" front, 11" rear
- Color
- Blue
Specifications
- color
- BlueSource
Questions and answers
- Does it have electric start?
- No. It uses a recoil pull cord to start the 170cc engine, so there is no battery or key start to maintain.
- Can it mulch, bag and side discharge?
- Yes. It supports all three: a rear bag, a side discharge chute and a mulching plug. The deep dome deck is shaped to circulate clippings for finer mulch.
- How does self-propulsion work?
- The rear wheels drive the mower, and a variable-speed control on the handle sets the pace. You guide it rather than push it, which helps on slopes.
- What cutting heights does it offer?
- Six positions adjusted at the deck. That range covers a close trim through to a taller cut for thick or dry grass.
- Is it good for a large lawn?
- It is aimed at small to medium yards. A 21-inch deck is a common middle size; very large lawns are usually faster with a wider deck or a riding mower.
- What maintenance does the engine need?
- Standard small-engine care: check the oil, replace the spark plug and air filter on schedule, and keep fresh gas in it. The steel deck should be cleaned after damp cutting.


