Bronco™ 42 Riding Lawn Mower
Item#:
13A878BSA23
price.from
$ 3,499.00
price.msrp
Bronco™ 42 Riding Lawn Mower
Item#:
13A878BSA23
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
Bronco™ 42 Riding Lawn Mower Features
Confidence

Backed with a 2-year limited warranty for peace of mind
Pride

Headquarted in Valley City, OH, select Troy-Bilt items are designed, built and tested right here in the U.S.— from Ohio and Mississippi to Tennessee and Arizona
Specs & Maintenance
Engine
- Engine Brand Troy-Bilt®
- Engine Model Number 4X90H0
- Engine Displacement 547cc
- Starter Type Electric
- Fuel Tank Capacity 1.36 gal. US (5.15 L)
- Cylinders Single
- Engine Start Ignition Key
- Engine Oil Capacity 1.8 qt. US (1.7 L)
- Lubrication Fully pressurized
- Charging System 3.75 amp regulated
- Fuel Gauge No
- Governor Mechanical
- Choke Choke-a-matic
- Air Filter Single element
- Oil Filter Yes
- 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 2.5 MPH / 4 km/h
- Rear Axle 3/4"
- Drive System CVT
- Transmission Control Foot Pedal
- Transmission Housing Aluminum
- Rear Differential Lock No
Cutting Deck
- Deck Cutting Width 42 in
- Deck Wash No
- Deck Material 13-gauge steel
- Deck Engagement (PTO) Manual lever
- Deck Construction Stamped
- Blade(s) Two
- Deck Lift Hand lever
- Cutting Height Range 1.5” - 3.75”
- Anti-Scalping 2 gauge wheels
- Deck Positions 5
Chassis
- Frame Robotically welded
- Turning Radius 18"
- Bumper No
- Rear Tow Hitch Yes
- Corrosion Protection Yes
- Front Pivot Bar 14-gauge steel
Controls
- Cruise Control No
- Brakes Disc
Comfort
- Seat Type Mid-back
- Armrests No
- Seat Adjustment Knob
- Floor Mats Rubber
Wheels
- Bearing Type Poly Bushing
- Rear Tires 20"x 8"-8"
- Front Tires 15"x 6"-6"
- Tire Tread Turf Saver
Additional Specifications
- Hour Meter No
- Mulch Kit Available Separately
- Headlight(s) Standard
- Cup Holder Yes
- Operator Presence System Yes
- Model Number 13A878BSA23
Warranty
- Residential Warranty 3-year limited
- Frame Warranty 3-year limited
- Front Axle Warranty 3-year limited
- Deck Shell Warranty 3-year limited
- Commercial Warranty No
- Engine Warranty 3-year limited
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.
Model | Manual | Form Number | |
---|---|---|---|
13A878BSA23 | MANL:OPER:BILING:547cc:MTD ENG | ||
MANL:OPER:BILING:547cc:MTD ENG | 769-26809 | Download | |
MANL:OPER:BILING:547cc:MTD ENG | 769-27027 | Download | |
MANL:OPER:DIG:TRILING:LT5 | 769-26678 | Download | |
MANL:OPER:DIG:TRILING:LT5 | 769-26990 | Download | |
SHEET:SUP:BILING:EPA:CARB:EXH: | 769-26611 | Download | |
SHEET:SUP:BILING:EPA:EVP:22-23 | 769-26607 | Download | |
SHEET:SUPP:WARR/PARTS:TRI:TB L | 769-26859 | Download | |
SHEET:SUPP:WARR/PARTS:TRI:TB L | 769-26859A | Download |