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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