Lanz Bulldog D7500

The Lanz Bulldog D7500 is a tractor produced by Lanz. It is equipped with a 286.8 ci 4.7 L engine. The listed engine power is Diesel (listed): 24.5 hp / 18.3 kW. Transmission: 3 forward and 1 reverse. Operating weight: 4850 lbs 2199 kg.

Engine Power

Diesel (listed): 24.5 hp / 18.3 kW

Fuel & Capacities

14.5 gal 54.9 L

Transmission

3 forward and 1 reverse

Operating Weight

4850 lbs 2199 kg

Overview

	1935 - 1952 D75 SeriesStandard-tread tractor D75 Series Standard-tread tractor

Production
Manufacturer	Lanz
Standard-tread tractor
Built in Mannheim, Baden-Württemberg, Germany

Variants
D7500	3-speed
D7506	6-speed
D7507	6-speed, with starter
D7511	combination for both field and road operations, front-axle springs
D7521	traffic model for road operations
D7531	express model with high-speed gearing

Lanz D7500 Engine
Lanz 4.7L 1-cyl diesel
Fuel tank	14.5 gal 54.9 L
Engine details ...

Lanz D7500 Transmission
3-speed gear
Transmission details ...

Lanz D7500 Power
Engine	24.5 hp 18.3 kW

Mechanical
Two-wheel drive
Manual steering
Open operator station.

Dimensions & Tires
Wheelbase	66.3 inches 168 cm
Weight	4850 lbs 2199 kg
Full dimensions and tires ...

Engine

Engine Detail — 286.8 ci / 4.7 L Diesel

Manufacturer	Lanz
Fuel Type	Diesel
Configuration	1-cylinder, liquid-cooled
Displacement	286.8 ci 4.7 L
Bore/Stroke	6.693x8.268 inches 170 x 210 mm
Power	24.5 hp 18.3 kW
Rated RPM	850
Oil capacity	5.3 qts 5.0 L
Coolant capacity	27.5 qts 26.0 L

Transmission

Transmission — 3 forward and 1 reverse gear

Type	gear
Gears	3 forward and 1 reverse

Dimensions

Lanz D7500 Tires

Dimensions
Wheelbase	66.3 inches 168 cm
Length	107.7 inches 273 cm
Width	61.8 inches 156 cm
Height	79.3 inches 201 cm
Weight	4850 lbs 2199 kg
Ground clearance	11.4 inches 28 cm
Front tread	43.7 inches 110 cm
Rear tread	42.8 inches 108 cm

Photos

Lanz Bulldog D7500 tractor photo

Recommended Implements & Sizing Guide

Engineering recommendations for Lanz Bulldog D7500 based on its 24.5 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.
Disc HarrowSecondary Tillage	5 to 6 ft (16-18" discs)1.5 - 1.8 m (40-45 cm 耙片)	Light Duty	Small acreage soil break-up and secondary aeration.

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 Lanz Bulldog D7500.

Estimated Continuous Field Runtime: 11.4 hrs

Approximately 11.4 hours of continuous field operation at ~75% rated power on a full tank (14.5 gal / 54.9 L).

Estimated 75% Load Fuel Burn~1.3 gal/hr (4.8 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