Bolens 831

Name: Bolens 831
Brand: Bolens

Power

8 hp

Production

1979-1986

Transmission

Peerless 730

Weight

385 lbs [174 kg]

Drive

2WD

Under 15 HP 1970s 1980s

From the same series:

830

Introduction

Bolens 831: Your Compact Powerhouse for Lawn Care!

Meet the Bolens 831, a true workhorse designed to make your lawn maintenance a breeze! This compact tractor, produced between 1978 and 1986, combines robust engineering with user-friendly features, making it an indispensable tool for any homeowner seeking efficiency and reliability. Let's dive into what makes this machine a standout choice.

Heart of the Machine: The Champion Engine

At its core, the Bolens 831 boasts a reliable Champion J-8 engine. This air-cooled, vertical-shaft powerhouse delivers a strong 8 hp (6.0 kW) of gross power at a rated 3600 RPM. With a displacement of 318 cc (19.44 ci) and a bore/stroke of 3.00x2.75 inches, it's built for consistent performance. Keeping it running smoothly is easy, with a 1.1 L oil capacity and recommended oil changes every 25 hours, ensuring longevity and peak operation.

Smooth Operator: Transmission and Drivetrain

Experience effortless control with the Bolens 831's mechanical setup. Featuring a two-wheel-drive system and manual steering, this tractor is agile and responsive. The transmission is a belt-driven gear type, offering a practical 5 forward and 1 reverse gear selection, perfect for navigating tight spots or tackling different terrains. Coupled with mechanical idler pulley clutch and disc brakes, every maneuver is precise and safe.

Ready for Action: PTO and Electricals

This versatile tractor is equipped with an independent mid PTO, allowing you to easily attach and operate various implements. The electrical system is powered by a 12-volt battery with a negative ground, ensuring straightforward connectivity. Starting is a breeze thanks to the electric starter, and maintenance is simplified with specific recommendations for spark plug type (Champion J-8) and gap settings (0.020 inches for points, 0.030 inches for spark plug).

Designed for Comfort and Maneuverability

The Bolens 831 prioritizes operator comfort and ease of use with its open operator station. Its compact dimensions, including a 43-inch wheelbase and a length of 60 inches, make it incredibly maneuverable. Weighing in at 385 lbs, it's light enough for easy handling without compromising stability. The specified lawn/turf tires, 4x10.4 up front and 6.5x16-8 at the rear, are designed to protect your lawn while providing excellent traction.

Conclusion

"The Bolens 831 is more than just a tractor; it's a dependable partner for anyone serious about lawn care. Its blend of a capable engine, user-friendly transmission, and thoughtful design makes it a standout choice for efficiency and durability. Whether you're tackling routine mowing or more demanding tasks, the 831 is engineered to deliver satisfaction."

Introduction

Production Information of Bolens, 831

The production information of the tractor (831) includes details about its manufacturing.

Riding lawn mower


Manufacturer	Bolens

Dimension and Tires Information of Bolens, 831

This section sums up the dimension and tires information of the tractor.


Wheelbase	43 inches [109 cm]
Weight	385 lbs [174 kg]
Length	60 inches [152 cm]
Height (steering wheel)	38.4 inches [97 cm]


Lawn/turf front	4x10.4
Lawn/turf rear	6.5x16-8

Engine Specifications of Bolens, 831

Get the specifications for the engine and if different options are available.

Air-cooled vertical-shaft


Sparkplug	Champion J-8
Displacement	318 cc [19.44 ci]
Oil capacity	1.125 qts [1.1 L]
Rated RPM	3600
Bore/Stroke	3.00x2.75 inches [76 x 70 mm]
Oil change	25 h
Point gap	0.020 inches [0.508 mm]
Sparkplug gap	0.030 inches [0.762 mm]
Starter volts	12
Starter	Electric
Power (gross)	8 hp [6.0 kW]

Transmission Information of Bolens, 831Y

Discover all variants of transmission available for this tractor model.

Transmission variants 1


Transmission	Peerless 730
Clutch	Idler pulley
Type	Belt-driven gear
Gears	5 forward and 1 reverse

Mechanical Specs of Bolens, 831Y

This section summarizes all mechanical information such as the brake system and other specifications.

Two-wheel drive

Open operator station.

Manual steering

Disc brakes

Power Information of Bolens, 831Y

Discover the power specifications and options available for this tractor model but also PTO (Power Take-off) information.


Mid PTO	Independent
Clutch	Mechanical idler pulley

Electrical System of Bolens, 831

Battery voltage, charging system and ground.


Ground	Negative
Battery volts	12
Battery AH	19

Frequently asked questions

How much horsepower does the Bolens 831 have?

The Bolens 831 delivers 8 HP.

What years was the Bolens 831 produced?

The Bolens 831 was produced in 1979-1986.

What transmission does the Bolens 831 use?

The Bolens 831 uses a Peerless 730 transmission.

How much does the Bolens 831 weigh?

The Bolens 831 weighs 385 lbs [174 kg].

Is the Bolens 831 4WD?

The Bolens 831 is available in 2WD.

More Bolens models

8138 HP · 1971 - 1972 8288 HP · 1974 - 1978 8298 HP · 1974 - 1978 8308 HP · 1979 - 1983 8508 HP · 1966 - 1969 8538 HP · 1970 - 1971 9008 HP · 1964 - 1965 9338 HP · 1985 - 1987

View all 173 Bolens models →

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