Power-Flex 18

The Power-Flex 18 is a tractor produced by Power Flex Lawn Tractors. The listed engine power is Gasoline (listed): 18 hp / 13.4 kW. Transmission: Ford.

Engine Power
Gasoline (listed): 18 hp / 13.4 kW
Fuel & Capacities
Gasoline
Transmission
Ford

Overview

Power-Flex 18 tractor photo
1958 - 1960 Garden tractor
Production
Manufacturer
Power-Flex
Garden tractor
Built in Berthoud, Colorado, USA
Power-Flex 18 Engine
18HP 1-cyl gasoline
Engine details ...
Power-Flex 18 Transmission
3-speed gear
Transmission details ...
Mechanical
Two-wheel drive
Manual steering
Open operator station.
Dimensions & Tires
Full dimensions and tires ...
Electrical
Ground
negative
Battery volts
12

Engine

Engine Detail — Gasoline

Fuel Type
Gasoline
Configuration
1-cylinder, air-cooled
Power
18 hp 13.4 kW
Starter
electric
Starter volts
12

Transmission

Transmission — Ford

Transmission
Ford
Type
gear
Gears
3 forward and 1 reverse

Dimensions

Power-Flex 18 Tires
Dimensions

Photos

Harvey Power-Flex 18 tractor.

Harvey Power-Flex 18 tractor.

Harvey Power-Flex 18 tractor.

Harvey Power-Flex 18 tractor.

Harvey Power-Flex 18 tractor.

Harvey Power-Flex 18 tractor.

Harvey Power-Flex 18 tractor.

Harvey Power-Flex 18 tractor.

Recommended Implements & Sizing Guide

Engineering recommendations for Power Flex Lawn Tractors Power-Flex 18 based on its 18 HP power envelope and ASAE agricultural standards.

Implement & OperationRecommended SizeWorkload RatingEngineering Notes
Moldboard PlowPrimary Tillage
1 to 2 Bottom (12")1 - 2 铧 (30 cm)Light DutyIdeal for garden plots and light sandy soil.
Rotary Cutter / MowerMowing & Clearing
4 ft (48 in)1.2 mLight DutyPasture clipping and light brush under 1" diameter.
Rotary TillerSeedbed Prep
42 to 48 in105 - 120 cmLight DutyCovers 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 Power Flex Lawn Tractors Power-Flex 18.

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

Power Flex Lawn Tractors Power-Flex 18 Specification Unit Converter

Convert power, fluid capacities, and operating weights between metric and imperial standards for Power Flex Lawn Tractors Power-Flex 18.

Converted Equivalents:

Horsepower (HP)18 hp
Kilowatts (kW)13.4 kW
Metric Horsepower (PS / CV)18.2 PS

Direct Competitor Comparison

Compare Power-Flex 18 against same-era industry alternatives in the same horsepower class.

Current Model
Power Flex Lawn Tractors

Power-Flex 18

Engine Power:Gasoline (listed): 18 hp / 13.4 kW
★ Baseline Reference
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MitsubishiMarket Competitor

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Engine Power:16.2
Production Years:2004 - 2005