ID # 39031588

Troy Bilt Bronco™ 42I Riding Lawn Mower 13AL78BSA23

Name: Troy Bilt Bronco™ 42I Riding Lawn Mower 13AL78BSA23
Brand: Troy Bilt
Availability: OutOfStock

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Yard work shouldn't feel like a chore, and with the Troy-Bilt® Bronco™ 42I, 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.

19 HP*/540cc 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
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.

Specifications

Model

13AL78BSA23

Category Name

Lawn / Garden

Year

2025

Manufacturer

Troy Bilt

Mulch Kit

Available Separately

Headlight(s)

Standard

bronco 42i 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

engine

Choke

Choke-a-matic

Governor

Mechanical

Cylinders

Single

Air Filter

Single element

Oil Filter

Lubrication

Fully pressurized

Engine Brand

Briggs & Stratton®

Engine Model

Professional Series

Engine Start

Ignition Key

Starter Type

Electric

Engine Output

19HP

Fuel Delivery

Carburetor

Charging System

3 amp regulated

Fuel Tank Capacity

1.36 gal. US (5.15 L)

Engine Displacement

540cc

Engine Model Number

33S877-0038

Engine Oil Capacity

1.8 qt. US (1.7 L)

battery

Battery

210 CCA

Battery Type

AGM (Absorbent Glass Mat)

Battery Voltage

12V

drive system

Drive System

CVT

Transmission

Troy-Bilt

Forward Speed

5.5 MPH / 8.6 KMH

Reverse Speed

2.5 MPH / 4 KMH

Transmission Control

Foot Pedal

Transmission Housing

Aluminum

cutting deck

Blade(s)

2

Deck Lift

Hand lever

Anti-Scalping

2 gauge wheels

Deck Material

13-gauge steel

Deck Positions

5

Deck Construction

Stamped

Deck Cutting Width

42 in

Cutting Height Range

1.5” - 3.75”

Deck Engagement (PTO)

Manual

chassis

Frame

Robotically welded

Rear Tow Hitch

Turning Radius

18"

Front Pivot Bar

14-gauge steel

Corrosion Protection

controls

Brakes

Disc

comfort

Seat Type

Mid-back

Floor Mats

Rubber

Seat Adjustment

Knob

wheels

Rear Tires

20"x 8"-8"

Tire Tread

Turf Saver

Front Tires

15"x 6"-6"

Bearing Type

Poly Bushing

documents and guides

Name	Link
Assembly Instructions	Download

Documents

769-25793-lt5-rider-assembly.pdf

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Pricing excludes licensing and tax

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Monday	8:00AM - 5:00PM
Tuesday	8:00AM - 5:00PM
Wednesday	8:00AM - 5:00PM
Thursday	8:00AM - 5:00PM
Friday	8:00AM - 5:00PM
Saturday	8:00AM - 12:00PM
Sunday	Closed
Hours Update Notice: We will return to being open Saturday 8am to 12pm starting September 6.

Troy Bilt Bronco™ 42I Riding Lawn Mower 13AL78BSA23

Confidence

Pride

Documents

Contact Us

Quick Links

Opening Hours

Location