Description
Product Overview
Tackle small to medium-sized lawns with confidence using the Troy-Bilt TB105B 21" Gas-Powered Push Lawn Mower. Built for durability and efficiency, this walk-behind mower features a reliable 140cc Briggs & Stratton® engine with an easy Prime N Pull™ start system, making startup simple and hassle-free.
Its 2-in-1 cutting system offers side discharge or mulching capability to help maintain a healthy, professional-looking lawn. The TriAction® cutting system—which combines a specially designed blade, symmetrical deck, and integrated rake bumper—delivers a clean, even cut every time. A dual-lever 6-position height adjustment makes it easy to switch between mowing heights from 1.25 to 3.75 inches.
With its lightweight steel deck and easy maneuverability, the TB105B is ideal for yards up to ¼ acre in size. Plus, it's proudly built in the USA using global materials and backed by a 2-year limited warranty.
Key Features
✅ Engine & Power
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Engine Brand: Briggs & Stratton®
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Engine Displacement: 140cc
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Engine Cycle: 4-cycle
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Starting System: Prime N Pull™ for reliable and easy startups
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Torque: 6.78 Nm @ 2,600 RPM
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Horsepower (Approx.): 3.5 HP
✅ Cutting Performance
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Cutting Width: 21 inches
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Cutting System: TriAction® with high-performance blade for finer mulching and clean cuts
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Cutting Options: 2-in-1 (Side Discharge & Mulch)
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Cutting Height Range: 1.25 – 3.75 inches
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Height Adjustment: Dual-lever, 6-position height control
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Number of Blades: 1
✅ Deck & Blade
✅ Maneuverability & Design
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Drive Type: Push (No self-propelled drive)
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Front Wheels: 7 in.
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Rear Wheels: 8 in.
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Handle Type: Adjustable loop handle for operator comfort
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Frame Material: Steel
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Terrain Type: Best for flat lawns
✅ Capacity & Dimensions
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Fuel Tank Capacity: 0.8 qt.
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Oil Type: SAE 10W-30
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Recommended Yard Size: Up to ¼ acre
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Run Time: Approx. 1 acre per tank under typical conditions
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Product Dimensions (L x W x H): 60 in. x 22 in. x 38 in.
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Product Weight: 60 lb
Ideal For
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Yard Size: Small to medium yards (up to 1/4 acre)
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User Needs: Reliable starting, adjustable cutting height, lightweight maneuverability
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Terrain Type: Flat and even terrain
Warranty & Support
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Warranty: 2-Year Limited Warranty
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Built In: USA using U.S. and global parts
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Support Network: Backed by Troy-Bilt's extensive service network
Why Choose the Troy-Bilt TB105B?
✔ Reliable Briggs & Stratton engine with effortless Prime N Pull™ starting
✔ TriAction® cutting system ensures a finer, more even cut
✔ 2-in-1 discharge/mulch flexibility for healthier lawns
✔ Compact and lightweight—perfect for smaller yards
✔ Made in the USA and backed by a 2-year warranty