Lawn Chief 645
The Lawn Chief 645 is a tractor produced by Lawn Chief Lawn Tractors. The listed engine power is Gasoline (gross): 16 hp / 11.9 kW. Transmission: infinite forward and reverse.
Engine Power
Gasoline (gross): 16 hp / 11.9 kW
Fuel & Capacities
Gasoline
Transmission
infinite forward and reverse
Overview
![]() | 1995
Lawn tractor |
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Production | |
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Manufacturer | Lawn Chief |
Lawn tractor | |
Built in Harvard, Illinois, USA | |
Original price was $2,499 in 1995 | |
Lawn Chief 645 Engine | |
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16HP Vanguard gasoline | |
Engine details ... |
Lawn Chief 645 Transmission | |
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hydrostatic | |
Transmission details ... |
Mechanical | |
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Two-wheel drive | |
Manual steering | |
Open operator station |
Power Take-off (PTO) | |
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Mid PTO | independent |
Dimensions & Tires | |
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Full dimensions and tires ... |
Electrical | |
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Ground | negative |
Battery volts | 12 |
References | |
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![]() | |
Master Parts/Service Manual published in 1995 |
Engine
Engine Detail — Gasoline
Manufacturer | Vanguard |
Fuel Type | Gasoline |
Configuration | air-cooled |
Power (gross) | 16 hp
11.9 kW |
Starter | electric |
Starter volts | 12 |
Transmission
Transmission — infinite forward and reverse belt-driven hydrostatic
Type | belt-driven hydrostatic |
Gears | infinite forward and reverse |
Dimensions
Lawn Chief 645 Tires |
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Dimensions |
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Attachments
46" Mower deck | |
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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 645 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 645.
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 645 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Lawn Chief Lawn Tractors Lawn Chief 645.
Converted Equivalents:
Horsepower (HP)16 hp
Kilowatts (kW)11.9 kW
Metric Horsepower (PS / CV)16.2 PS
Direct Competitor Comparison
Compare Lawn Chief 645 against same-era industry alternatives in the same horsepower class.
Current Model
Lawn Chief Lawn Tractors
Lawn Chief 645
Engine Power:Gasoline (gross): 16 hp / 11.9 kW
★ Baseline Reference
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