UtilityPerformance profile

Lanz Bulldog D9531

The Lanz Bulldog D9531 is a powerful utility tractor built for tough farm work. It has a 2-wheel drive system and a gear transmission with 6 forward gears and 2 reverse gears. This tractor is designed to handle various tasks on standard fields. The Bulldog D9531 features a large, single-cylinder diesel engine made by Lanz. This engine is liquid-cooled and has a very high displacement of 628.5 cubic inches. It runs at a low speed of 630 rpm but still produces a solid 44.1 horsepower. The tractor is quite heavy, weighing 8,444 pounds, which helps it grip the ground well. It's 129.9 inches long and 88.6 inches tall, with a wheelbase of 77.8 inches. The Bulldog D9531 uses agricultural tires, with larger 24-inch tires at the back and 20-inch tires in front.

ManufacturerLanzPower44.1 hpEngine1-cylTransGear
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Lanz Bulldog D9531
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Quick specs

Category
Utility
Engine Power Output
44hp
Operating Weight
8,444 lb
Transmission
Gear
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At a glance

How the Bulldog D9531 compares

vs. Utility median

Distribution

Engine Power (hp)

Across all Utility tractors

44.1 hp · 38th

This model

9
Median 55 hp
177
This modelUtility tractorsMediann = 5,383

The Bulldog D9531 ranks at the 38th percentile for engine power among recorded utility tractors.

Overview

About the Lanz Bulldog D9531

The Lanz Bulldog D9531 is a powerful utility tractor built for tough farm work. It has a 2-wheel drive system and a gear transmission with 6 forward gears and 2 reverse gears. This tractor is designed to handle various tasks on standard fields. The Bulldog D9531 features a large, single-cylinder diesel engine made by Lanz. This engine is liquid-cooled and has a very high displacement of 628.5 cubic inches. It runs at a low speed of 630 rpm but still produces a solid 44.1 horsepower. The tractor is quite heavy, weighing 8,444 pounds, which helps it grip the ground well. It's 129.9 inches long and 88.6 inches tall, with a wheelbase of 77.8 inches. The Bulldog D9531 uses agricultural tires, with larger 24-inch tires at the back and 20-inch tires in front.

Full specifications

Every recorded spec

General

ManufacturerLanz
ModelBulldog D9531
CategoryUtility tractor
Type4x2 2WD
Operating weight8,444lb

Engine

MakeLanz
Power44.1hp
Cylinders1
Displacement628.5ci
Bore8.86in
Stroke10.24in

Transmission

TypeGear
Forward gears6
Reverse gears2

Chassis & drive

Chassis4x2 2WD
Drive2WD

Dimensions

Length129.9in
Height88.6in
Operating weight8,444lb

Head to head

Bulldog D9531 vs. Utility median

How the Lanz Bulldog D9531 compares to other Utility tractors

SpecThis modelUtility medianDifferencePercentile
Engine Power44.1 hp55 hp-20%38th
Engine Displacement629 ci183 ci+243%95th
Cylinders14-75%1st
Forward Gears612-50%11th
Operating Weight8,444 lb5,303 lb+59%78th
Length130 in137 in-5%41st
Height88.6 in94.1 in-6%38th

Medians and percentiles are computed from the utility tractors in our database with a recorded value for each spec (sample sizes 4,321–5,720 models).

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FAQ

Common questions

What is the engine power output of the Lanz Bulldog D9531?

Rated engine output for the Lanz Bulldog D9531 is 44.1 hp, delivered by a 1-cylinder engine. The engine displaces 628.5 ci.

What is the operating weight of the Lanz Bulldog D9531?

In working trim, the Lanz Bulldog D9531 comes in at roughly 8,444 lb.

Which transmission does the Lanz Bulldog D9531 use?

The Lanz Bulldog D9531 is equipped with a Gear transmission with 6 forward gears.

How do I maintain a Lanz Bulldog D9531?

Routine service for the Lanz Bulldog D9531 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.