Lawn Chief 640
The Lawn Chief 640 is a tractor produced by Lawn Chief Lawn Tractors. The listed engine power is Gasoline (gross): 16 hp / 11.9 kW. Transmission: Peerless 801-056. Operating weight: 496 lbs 224 kg.
Engine Power
Gasoline (gross): 16 hp / 11.9 kW
Fuel & Capacities
Gasoline
Transmission
Peerless 801-056
Operating Weight
496 lbs
224 kg
Overview
 | 1993 - 1994
Garden tractor |
|---|
Production | |
|---|---|
Manufacturer | Lawn Chief |
Garden tractor | |
Built in Harvard, Illinois, USA | |
Lawn Chief 640 Engine | |
|---|---|
16HP gasoline | |
Engine details ...  |
Lawn Chief 640 Transmission | |
|---|---|
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 | |
|---|---|
Weight | 496 lbs
224 kg |
Front tire | 15x6.00 |
Rear tire | 20x10.00 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Battery volts | 12 |
References | |
|---|---|
 | |
Master Parts/Service Manual published in 1993 | |
Master Parts/Service Manual published in 1994 |
Engine
Engine Detail — Gasoline
Fuel Type | Gasoline |
Configuration | air-cooled |
Power (gross) | 16 hp
11.9 kW |
Starter | electric |
Starter volts | 12 |
Transmission
Transmission — Peerless 801-056
Transmission | Peerless 801-056 |
Type | belt-driven gear |
Gears | 5 forward and 1 reverse |
 | |
Dimensions
Lawn Chief 640 Tires | |
|---|---|
Lawn/turf front | 15x6.00 |
Lawn/turf rear | 20x10.00 |
Dimensions | |
|---|---|
Length | 67 inches
170 cm |
Height | 42.5 inches
107 cm |
Weight | 496 lbs
224 kg |
Attachments
Attachment overview | |
|---|---|
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 640 based on its 16 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 640.
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 640 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Lawn Chief Lawn Tractors Lawn Chief 640.
Converted Equivalents:
Horsepower (HP)16 hp
Kilowatts (kW)11.9 kW
Metric Horsepower (PS / CV)16.2 PS
Direct Competitor Comparison
Compare Lawn Chief 640 against same-era industry alternatives in the same horsepower class.
Current Model
Lawn Chief Lawn Tractors
Lawn Chief 640
Engine Power:Gasoline (gross): 16 hp / 11.9 kW
★ Baseline Reference
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