Standard TreadPerformance profile

Lanz Bulldog D8511

The Lanz Bulldog D8511 is a classic 2WD tractor known for its simple design and reliable performance. It features a gear transmission with 6 forward gears, making it suitable for various farming tasks. The tractor is powered by a Lanz-made, liquid-cooled diesel engine that packs a punch despite having only one cylinder. This Bulldog model boasts a large engine displacement of 628.5 ci, which is quite impressive for its time. The engine has a bore of 8.858 inches and a stroke of 10.24 inches, contributing to its robust power output. With a rated speed of 540 rpm, the engine delivers 34.3 hp, providing enough power for most farm operations. The Lanz Bulldog D8511 represents a piece of agricultural history, combining straightforward engineering with practical functionality for farmers of its era.

ManufacturerLanzPower34.3 hpEngine1-cylTransGear
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Lanz Bulldog D8511
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Quick specs

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

How the Bulldog D8511 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 D8511 ranks at the 30th percentile for engine power among recorded standard tread tractors.

Overview

About the Lanz Bulldog D8511

The Lanz Bulldog D8511 is a classic 2WD tractor known for its simple design and reliable performance. It features a gear transmission with 6 forward gears, making it suitable for various farming tasks. The tractor is powered by a Lanz-made, liquid-cooled diesel engine that packs a punch despite having only one cylinder. This Bulldog model boasts a large engine displacement of 628.5 ci, which is quite impressive for its time. The engine has a bore of 8.858 inches and a stroke of 10.24 inches, contributing to its robust power output. With a rated speed of 540 rpm, the engine delivers 34.3 hp, providing enough power for most farm operations. The Lanz Bulldog D8511 represents a piece of agricultural history, combining straightforward engineering with practical functionality for farmers of its era.

Full specifications

Every recorded spec

General

ManufacturerLanz
ModelBulldog D8511
CategoryStandard Tread tractor
Type2WD

Engine

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

Transmission

TypeGear
Forward gears6

Chassis & drive

Chassis2WD
Drive2WD

Head to head

Bulldog D8511 vs. Standard Tread median

How the Lanz Bulldog D8511 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

What is the engine power output of the Lanz Bulldog D8511?

Rated engine output for the Lanz Bulldog D8511 is 34.3 hp, delivered by a 1-cylinder engine. The engine displaces 628.5 ci.

Which transmission does the Lanz Bulldog D8511 use?

The Lanz Bulldog D8511 is equipped with a Gear transmission with 6 forward gears.

How do I maintain a Lanz Bulldog D8511?

Routine service for the Lanz Bulldog D8511 covers engine oil and filter changes, hydraulic and coolant level checks, air filter cleaning, and scheduled inspections. Refer to the manufacturer's maintenance schedule for exact intervals.