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Lawn Tractor · 1972Unverified

Simplicity 4040 PowrMax

Name: Simplicity 4040 PowrMax
Brand: Simplicity

Simplicity 4040 PowrMax — PowrMax Series · 17 hp. Reference specifications; pending source verification.

The Simplicity 4040 PowrMax is a lawn tractor model with a rated power of 17 hp, a mid-range figure for its class. It was manufactured in 1972 and features a 2-cylinder petrol air-cooled engine. The tractor is equipped with two-wheel drive and a hydrostatic transmission, and it has a listed operating weight of 589 kg. It is suitable for operations covering up to 200 acres.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power

17 hp

Weight

589 kg

Catalogue coverage

Variants represented

Richest spec table

78 rows

Recorded power

17 hp

Recorded weight

589 kg

Transmissions

hydrostatic

Production years

1972-1972

Verified variants

No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.

Hover a source tag to verify

Overview

ManufacturerSimplicityReference

Garden tractorReference

Built in Port Washington, Wisconsin, USAReference

Two-wheel driveReference

Manual steeringReference

Disc brakesReference

Open operator station.Reference

Variants

616similar Allis Chalmers modelReference

Engine

16.5HP Onan 816cc 2-cyl gasolineReference

Fuel tank14.4 LReference

Onan CCKAReference

gasolineReference

2-cylinderReference

air-cooled horizontal-shaft opposed-twinReference

Displacement49.8 ciReference

Bore/Stroke83 x 76 mmReference

Power (gross)12.3 kWReference

Fuel systemMarvel-Schebler downdraft carburetorReference

Air cleanerpaper elementReference

Compression7:1Reference

Rated RPM3600Reference

Idle RPM1200-3850Reference

StarterelectricReference

Starter volts12Reference

SparkplugChampion H-8Reference

Sparkplug gap0.635 mmReference

Point gap0.508 mmReference

Intake valve clearance0.178 mmReference

Exhaust valve clearance0.406 mmReference

Oil capacity3.3 LReference

Oil change50 hReference

Transmission

hydrostaticReference

TransmissionSundstrand 15Reference

TypehydrostaticReference

Gearsinfinite forward and reverse (3-range)Reference

Oil capacity5.7 LReference

Three-speed gear shift with hydrostatic transmissions. Hydrostatic must be in neutral to shift, although use of the foot clutch is not required or recommended.Reference

PTO & Hydraulics

Pressure34.5 barReference

Pump flow8.5 lpmReference

Rear Type0Reference

Rear PTOindependentReference

ClutchelectricReference

Rear PTO Type2000Reference

Front PTOindependentReference

Front PTO Type3600Reference

Dimensions

Wheelbase142 cmReference

Weight589 kgReference

Front tire20x8-10Reference

Rear tire29x12.50-15Reference

Ag front4.00x12Reference

Ag rear8x16Reference

Lawn/turf front20x8-10Reference

Lawn/turf rear29x12.50-15Reference

Length210 cmReference

Width109 cmReference

Width143 cmReference

Height (steering wheel)121 cmReference

Shipping weight589 kgReference

Ground clearance38 cmReference

Rear tread74 cmReference

Simplicity 4040 attachments

60" mid-mount mower deckReference

snowblowerReference

bladeReference

front-end loaderReference

4040 Serial Numbers

Location:Serial number decal on the right side of the tractor frame, above the foot rest.Reference

Electrical

GroundnegativeReference

Charging systemflywheel alternatorReference

Charging amps20Reference

Battery volts12Reference

Battery AH52Reference

Attachment overview

60" mid-mount mower deckReference

SnowblowerReference

BladeReference

Front-end loaderReference

60" Mower deck

Typemid-mount SimplicityReference

Type3-blade with hydraulic liftReference

Cutting width152 cmReference

Cut height4 to 7 cmReference

Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.

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