Standard TreadPerformance profile

Lanz Bulldog D8531

The Lanz Bulldog D8531 is a classic 2-wheel drive tractor known for its simple design and reliable performance. This model features a manual transmission with 6 forward gears, giving farmers good control over their work speed. The Bulldog D8531 is powered by a Lanz-made engine, which is liquid-cooled for better temperature management. What makes this tractor stand out is its unique single-cylinder diesel engine. With a large displacement of 628.5 cubic inches, this engine packs a punch despite having only one cylinder. It has a bore of 8.858 inches and a stroke of 10.24 inches, resulting in a powerful output of 34.3 horsepower at 540 RPM. This setup provides strong, steady power for various farming tasks, making the Lanz Bulldog D8531 a dependable workhorse in the field.

ManufacturerLanzPower34.3 hpEngine1-cylTransManual
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Lanz Bulldog D8531
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Quick specs

Category
Standard Tread
Engine Power Output
34hp
Transmission
Manual
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At a glance

How the Bulldog D8531 compares

vs. Standard Tread median

Distribution

Engine Power (hp)

Across all Standard Tread tractors

34.3 hp · 30th

This model

12
Median 45 hp
102
This modelStandard Tread tractorsMediann = 121

The Bulldog D8531 ranks at the 30th percentile for engine power among recorded standard tread tractors.

Overview

About the Lanz Bulldog D8531

The Lanz Bulldog D8531 is a classic 2-wheel drive tractor known for its simple design and reliable performance. This model features a manual transmission with 6 forward gears, giving farmers good control over their work speed. The Bulldog D8531 is powered by a Lanz-made engine, which is liquid-cooled for better temperature management. What makes this tractor stand out is its unique single-cylinder diesel engine. With a large displacement of 628.5 cubic inches, this engine packs a punch despite having only one cylinder. It has a bore of 8.858 inches and a stroke of 10.24 inches, resulting in a powerful output of 34.3 horsepower at 540 RPM. This setup provides strong, steady power for various farming tasks, making the Lanz Bulldog D8531 a dependable workhorse in the field.

Full specifications

Every recorded spec

General

ManufacturerLanz
ModelBulldog D8531
CategoryStandard Tread tractor
Type2WD

Engine

MakeLanz
Power34.3hp
Cylinders1
Displacement628.5ci
Bore8.86in
Stroke10.24in

Transmission

TypeManual
Forward gears6

Chassis & drive

Chassis2WD
Drive2WD

Head to head

Bulldog D8531 vs. Standard Tread median

How the Lanz Bulldog D8531 compares to other Standard Tread tractors

SpecThis modelStandard Tread medianDifferencePercentile
Engine Power34.3 hp45 hp-24%30th
Engine Displacement629 ci382 ci+65%80th
Cylinders14-75%7th
Forward Gears64+50%79th

Medians and percentiles are computed from the standard tread tractors in our database with a recorded value for each spec (sample sizes 121–367 models).

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FAQ

Common questions

How much horsepower does the Lanz Bulldog D8531 have?

The Lanz Bulldog D8531 produces 34.3 hp from its 1-cylinder engine. Engine displacement is 628.5 ci.

What transmission is in the Lanz Bulldog D8531?

Transmission on the Lanz Bulldog D8531 is Manual, with 6 forward speeds.

What maintenance does the Lanz Bulldog D8531 require?

Like any tractor, the Lanz Bulldog D8531 needs periodic engine oil and filter changes, hydraulic fluid checks, and regular greasing and inspection. The owner's manual lists the manufacturer's recommended service intervals.