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Yard work shouldn't feel like a chore, and with the Troy-Bilt® Bronco™ 46B, you can ride comfortably with the mid-back adjustable seat and Step-Thru™ frame designed for easy on-and-off access. AutoDrive™ transmission is designed with foot pedal control to help make driving your mower easy, while the anti-scalp deck wheels help deliver a clean, even cut. The AGM battery is designed to provide reliable starting season after season.
17.5 HP*/500cc Briggs & Stratton® engine for reliable starting and plenty of power
AutoDrive™ transmission with foot-pedal design helps make driving your mower easy, with speeds up to 5.5 MPH
46" side-discharge, steel deck , has 2 anti-scalp deck wheels to help prevent turf damage and deliver a clean, even cut.
Mid-back seat and rubber footpads help provide comfort and minimize vibration when mowing
AGM battery provides a longer lifespan and lower maintenance compared to traditional lead acid wet batteries, with improved starting performance for reliable starting season to season.
Engine
Engine BrandBriggs & Stratton®
Engine ModelPowerBuilt
Engine Model Number31R907-0110
Engine Displacement500cc
Engine Output17.5HP
Starter TypeElectric
Fuel Tank Capacity1.36 gal. US (5.15 L)
CylindersSingle
Engine StartIgnition Key
Engine Oil Capacity1.8 qt. US (1.7 L)
LubricationFully pressurized
Charging System3 amp regulated
Fuel GaugeNo
GovernorMechanical
ChokeChoke-a-matic
Air FilterDual element
Oil FilterNo
Fuel DeliveryCarburetor
Battery
Battery135 CCA
Battery TypeAGM (Absorbent Glass Mat)
Battery Voltage12V
Drive System
TransmissionTroy-Bilt
Forward Speed5 MPH / 8.1 KMH
Reverse Speed2.5 MPH / 4 KMH
Rear Axle3/4"
Drive SystemCVT
Transmission ControlFoot Pedal
Transmission HousingAluminum
Rear Differential LockNo
Cutting Deck
Deck Cutting Width46 in
Deck WashYes
Deck Material12-gauge steel
Deck Engagement (PTO)Manual lever
Deck ConstructionStamped
Blade(s)Two
Deck LiftHand lever
Cutting Height Range1.5” - 3.75”
Anti-Scalping2 gauge wheels
Deck Positions5
Warranty
Warranty2-year limited residential
Frame Warranty2-year limited
Front Axle Warranty2-year limited
Deck Shell Warranty2-year limited
Commercial WarrantyNo
Chassis
FrameRobotically welded
Turning Radius18"
BumperNo
Rear Tow HitchYes
Corrosion ProtectionYes
Front Pivot Bar14-gauge steel
Controls
Cruise ControlNo
BrakesDisc
Comfort
Seat TypeMid Back
ArmrestsNo
Seat AdjustmentKnob
Floor MatsRubber
Wheels
Bearing TypePoly Bushing
Rear Tires20"x 8"-8"
Front Tires15"x 6"-6"
Tire TreadTurf Saver
Additional Specifications
Mulch KitAvailable Separately
Headlight(s)Standard
Cup HolderYes
Operator Presence SystemYes
Model Number13AN78BTA66
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