Lawn Chief 720
The Lawn Chief 720 is a tractor produced by Lawn Chief Lawn Tractors. The listed engine power is Gasoline (gross): 18 hp / 13.4 kW. Transmission: Peerless 820.
Engine Power
Gasoline (gross): 18 hp / 13.4 kW
Fuel & Capacities
Gasoline
Transmission
Peerless 820
Overview
 | 1991 - 1992
Garden tractor |
|---|
Production | |
|---|---|
Manufacturer | Lawn Chief |
Garden tractor | |
Built in Harvard, Illinois, USA | |
Lawn Chief 720 Engine | |
|---|---|
18HP 2-cyl gasoline | |
Engine details ...  |
Lawn Chief 720 Transmission | |
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5-speed gear | |
Transmission details ...  |
Mechanical | |
|---|---|
Two-wheel drive | |
Manual steering | |
Open operator station |
Tractor hitch | |
|---|---|
Type | sleeve hitch OptOptional |
Power Take-off (PTO) | |
|---|---|
Mid PTO | independent |
Dimensions & Tires | |
|---|---|
Front tire | 16x6.50 |
Rear tire | 23x9.50 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Battery volts | 12 |
References | |
|---|---|
 | |
Master Parts Manual published in 1991 | |
Master Parts Manual published in 1992 |
Engine
Engine Detail — Gasoline
Fuel Type | Gasoline |
Configuration | 2-cylinder, air-cooled vertical-shaft horizontally-opposed |
Power (gross) | 18 hp
13.4 kW |
Starter | electric |
Starter volts | 12 |
Transmission
Transmission — Peerless 820
Transmission | Peerless 820 |
Type | belt-driven gear |
Gears | 5 forward and 1 reverse |
Dimensions
Lawn Chief 720 Tires | |
|---|---|
Lawn/turf front | 16x6.50 |
Lawn/turf rear | 23x9.50 |
Dimensions |
|---|
Attachments
Attachment overview | |
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46" mid-mount mower deck | |
Snowblower | |
Blade | |
Garden tractors are capable of using tillers, plows, or other ground-engaging attachments. TractorData does not list details of these attachments. |
46" Mower deck | |
|---|---|
Type | mid-mount Lawn Chief |
3-blade with manual lift | |
Cutting width | 46 inches
116 cm |
Recommended Implements & Sizing Guide
Engineering recommendations for Lawn Chief Lawn Tractors Lawn Chief 720 based on its 18 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. |
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 Lawn Chief Lawn Tractors Lawn Chief 720.
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
Lawn Chief Lawn Tractors Lawn Chief 720 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Lawn Chief Lawn Tractors Lawn Chief 720.
Converted Equivalents:
Horsepower (HP)18 hp
Kilowatts (kW)13.4 kW
Metric Horsepower (PS / CV)18.2 PS
Direct Competitor Comparison
Compare Lawn Chief 720 against same-era industry alternatives in the same horsepower class.
Current Model
Lawn Chief Lawn Tractors
Lawn Chief 720
Engine Power:Gasoline (gross): 18 hp / 13.4 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester Type A 15HP
Engine Power:16.7
Production Years:1908 - 1911
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