Yard work doesn’t have to feel like a chore. With the Troy-Bilt® Bronco™ 42, you can ride comfortably thanks to its adjustable seat and Step-Thru™ frame, which makes getting on and off easy. The foot pedal-controlled AutoDrive™ transmission helps you move around your yard with the 42-inch deck. Anti-scalp deck wheels ensure a clean, even cut while reducing turf damage. It now comes with a 3-year limited warranty.

547cc Troy-Bilt® engine designed for smooth, responsive performance and rugged durability

AutoDrive™ transmission with foot-pedal design helps make driving your mower easy, with speeds up to 5.5 MPH

42″ side-discharge, twin-blade, steel cutting deck design is ideal for lawns up to 1.5 acres and has two 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

Automatic headlights for visibility in low-light conditions

Engine

Engine BrandTroy-Bilt®

Engine Model Number4X90H0

Engine Displacement547cc

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 System3.75 amp regulated

Fuel GaugeNo

GovernorMechanical

ChokeChoke-a-matic

Air FilterSingle element

Oil FilterYes

Fuel DeliveryCarburetor

Battery

Battery210 CCA

Battery TypeAGM (Absorbent Glass Mat)

Battery Voltage12V

Drive System

TransmissionTroy-Bilt

Forward Speed5.5 MPH / 8.6 km/h

Reverse Speed2.5 MPH / 4 km/h

Rear Axle3/4″

Drive SystemCVT

Transmission ControlFoot Pedal

Transmission HousingAluminum

Rear Differential LockNo

Cutting Deck

Deck Cutting Width42 in

Deck WashNo

Deck Material13-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

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

Hour MeterNo

Mulch KitAvailable Separately

Headlight(s)Standard

Cup HolderYes

Operator Presence SystemYes

Model Number13A878BSA23

Warranty

Residential Warranty3-year limited

Frame Warranty3-year limited

Front Axle Warranty3-year limited

Deck Shell Warranty3-year limited

Commercial WarrantyNo

Engine Warranty3-year limited