Bronco™ 42B Riding Lawn Mower
Yard work shouldn't feel like a chore, and with the Troy-Bilt® Bronco™ 42B, 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 with the Briggs & Stratton® single cylinder engine.
- 17.5 HP*/500cc Briggs & Stratton engine with pressure lubrication helps prevent engine damage and can extend the life of your mower
- AutoDrive™ transmission with foot-pedal design helps make driving your mower easy, with speeds up to 5.5 MPH
- 42" side-discharge, steel cutting 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
Bronco™ 42B Riding Lawn Mower Features
Clean, Precise Cut
42-in deck ,with anti-scalp deck wheels to prevent turf damage, delivers a clean, even cut
AutoDrive™
AutoDrive™ transmission with foot pedal control drives like a car
Keep Your Yard and Deck Clean
Attach a standard garden hose to the deck wash port to quickly clean underside of deck and prevent buildup of clippings
Specs & Maintenance
Engine
- Engine Brand Briggs & Stratton®
- Engine Model Power Built
- Engine Model Number 31R907-0110
- Engine Displacement 500cc
- Engine Output 17.5 HP
- Starter Type Electric
- Fuel Tank Capacity 1.36 gal. US (5.15 L)
- Cylinders Single
- Engine Start Ignition Key
- Engine Oil Capacity 1.5 qts. US (1.42 L)
- Lubrication Fully pressurized
- Charging System 3 amp regulated
- Fuel Gauge No
- Governor Mechanical
- Choke Choke-a-matic
- Air Filter Dual element
- Oil Filter No
- Fuel Delivery Carburetor
Battery
- Battery 210 CCA
- Battery Type AGM (Absorbent Glass Mat)
- Battery Voltage 12V
Drive System
- Transmission Troy-Bilt
- Forward Speed 5.5 MPH / 8.6 km/h
- Reverse Speed 3 MPH / 4.8 km/h
- Drive System CVT
- Transmission Control Foot Pedal
- Transmission Housing Aluminum
Cutting Deck
- Deck Cutting Width 42 in
- Deck Wash Yes
- Deck Material 12-gauge steel
- Deck Engagement (PTO) Manual
- Deck Construction Stamped
- Blade(s) 2
- Deck Lift Manual
- Cutting Height Range 1.5" - 3.75"
- Anti-Scalping 2 gauge wheels
- Deck Positions 5
Chassis
- Frame Robotically welded
- Turning Radius 18"
- Bumper Steel Tube
- Rear Tow Hitch Yes
- Corrosion Protection Yes
- Front Pivot Bar 14-gauge steel
Controls
- Cruise Control No
- Brakes Disc
Comfort
- Seat Type High-back
- Armrests No
- Seat Adjustment Knob
- Floor Mats Rubber
Wheels
- Bearing Type Poly Bushing
- Rear Tires 20" x 8" -8”
- Front Tires 15"x6"-6"
- Tire Tread Turf Saver
Additional Specifications
- Mulch Kit Available separately
- Headlight(s) Standard
- Cup Holder Yes
- Operator Presence System Yes
- Model Number 13AN78BSA66
Warranty
- Residential Warranty 3-Year limited residential
- Frame Warranty 3-Year limited
- Front Axle Warranty 3-Year limited
- Deck Shell Warranty 3-Year limited
- Commercial Warranty No
Disclaimers
- Specifications Specifications subject to change without notice and without incurring obligation. Products depicted on website and other advertisements are for demonstration purposes only. Actual products offered for sale may vary in design, required attachments, safety features and non-functional appearance from. See other general disclaimers at the bottom of our website.
- Horsepower *As rated by engine manufacturer