Troy-Bilt Bronco 42 13AJ609G766

The Troy-Bilt Bronco 42 13AJ609G766 is a tractor produced by Troy Bilt Lawn Tractors. The listed engine power is Gasoline (listed): 18.5 hp / 13.8 kW. Transmission: infinite forward and reverse.

Engine Power

Gasoline (listed): 18.5 hp / 13.8 kW

Fuel & Capacities

1.5 gal 5.7 L

Transmission

infinite forward and reverse

Overview

	2004 - 2019 Model year 2004-200520062008-20092010-20132014-20162017-2019 Lawn tractor

Production
Manufacturer	Troy-Bilt (a part of MTD)
Lawn tractor
Original price was $1,299 in 2004
Model codes and 13AO77TG766.

Troy-Bilt Bronco 42 Engine
18.5HP Briggs & Stratton 1-cyl gasoline
Fuel tank	1.5 gal 5.7 L
Engine details ...

Troy-Bilt Bronco 42 Transmission
CVT
Transmission details ...

Mechanical
Two-wheel drive
Manual steering
Open operator station.

Power Take-off (PTO)
Mid PTO	independent
Clutch	manual

Dimensions & Tires
Front tire	15x6-6
Rear tire	20x8-8
Full dimensions and tires ...

Electrical
Ground	negative
Battery volts	12

Engine

Engine Detail — Gasoline

Manufacturer	Briggs & Stratton Intek
Fuel Type	Gasoline
Configuration	1-cylinder, air-cooled vertical-shaft
Power	18.5 hp 13.8 kW
Starter	electric
Starter volts	12

Transmission

Transmission — infinite forward and reverse belt-driven CVT

Type	belt-driven CVT
Gears	infinite forward and reverse

Dimensions

Troy-Bilt Bronco 42 Tires
Lawn/turf front	15x6-6
Lawn/turf rear	20x8-8

Dimensions
Front axle	Cast-iron

Attachments

42" Mower deck
Type	mid-mount Troy-Bilt
	2-blade with manual lift
Cutting width	42 inches 106 cm
Belt	954-04060B
Cut height	1.5 to 4 inch 3 to 10 cm

Photos

Troy-Bilt Bronco 42 13AJ609G766 tractor photo

Recommended Implements & Sizing Guide

Engineering recommendations for Troy Bilt Lawn Tractors Troy-Bilt Bronco 42 13AJ609G766 based on its 18.5 HP power envelope and ASAE agricultural standards.

Implement & Operation	Recommended Size	Workload Rating	Engineering Notes
Moldboard PlowPrimary Tillage	1 to 2 Bottom (12")1 - 2 铧 (30 cm)	Light Duty	Ideal for garden plots and light sandy soil.
Rotary Cutter / MowerMowing & Clearing	4 ft (48 in)1.2 m	Light Duty	Pasture clipping and light brush under 1" diameter.
Rotary TillerSeedbed Prep	42 to 48 in105 - 120 cm	Light Duty	Covers compact tractor tire width.

Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for Troy Bilt Lawn Tractors Troy-Bilt Bronco 42 13AJ609G766.

Estimated Continuous Field Runtime: 1.6 hrs

Approximately 1.6 hours of continuous field operation at ~75% rated power on a full tank (1.5 gal / 5.7 L).

Estimated 75% Load Fuel Burn~1 gal/hr (3.6 L/hr)

Engine Crankcase Oil

SAE 15W-40 (Heavy Duty Diesel)

Standard Spec: API CK-4 / CJ-4 Heavy Duty

Service Interval: 150 – 250 Hours

Transmission & Hydraulic System

UTTO (Universal Tractor Transmission Oil)

Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)

Service Interval: 600 – 1000 Hours

Engine Cooling System

50/50 Ethylene Glycol Pre-mix

Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze

Service Interval: 2 Years / 1500 Hours

Troy Bilt Lawn Tractors Troy-Bilt Bronco 42 13AJ609G766 Specification Unit Converter

Convert power, fluid capacities, and operating weights between metric and imperial standards for Troy Bilt Lawn Tractors Troy-Bilt Bronco 42 13AJ609G766.

Enter value:

Unit:

Converted Equivalents:

Horsepower (HP)18.5 hp

Kilowatts (kW)13.8 kW

Metric Horsepower (PS / CV)18.8 PS

Direct Competitor Comparison

Compare Troy-Bilt Bronco 42 13AJ609G766 against same-era industry alternatives in the same horsepower class.

Current Model

Troy Bilt Lawn Tractors